strongswan vpn client

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2022 Cisco and/or its affiliates. EAP-TLS on top of IKEv2 EAP. by default. Client certificates and keys, and CA certificates may be added by bundling them into a PKCS#12 file and then importing that file into the Android system keystore. chain (this might cause warnings on older Android releases, though, see supports this since 5.8). The use of EAP-TLS requires the eap-tls and eap-identity plugins to be loaded by the strongSwan VPN gateway. There are multiple software packages to implement strongSwan User Documentation Interoperability . Matching traffic is forwarded as if there was no VPN. OpenSSL or pki can be used to generate these certificates. Import the generated wireguard/.conf file to your device, then setup a new connection with it. ikev2-eap: Username/password-based EAP authentication Since version 1.8.0 of the app it is possible to import VPN profiles from files. This in turn should prevent Android from terminating it when low on memory. IKEv2 is a VPN protocol. strongSwan is an OpenSource IPsec-based VPN solution. CA certificates and server certificates may also be imported directly into the app since 1.4.0. the keys there are derived from the IKE SA key material. Microsofts Agile VPN functionality and are therefore able to interoperate with use file:// URLs that contain the complete file name. to initiate/terminate a VPN profile via explicit Intent), Always sends the client certificate (if applicable) instead of only after receiving a certificate request (allows servers that accept certificates from lots of CAs to avoid sending certificate requests), Makes the IKE and/or ESP algorithms configurable, Fixes issues with fragmented IP packets (, Ensures expires are triggered for the correct IPsec SA (, Fixes an issue with multicast addresses when using split tunneling on older Android releases (, Does not consider a DH group mismatch as failure anymore as responder of a CHILD_SA rekeying (commit:e7276f78aa), Adds support to verify server certificates via, The CRL cache may be cleared via main menu, Adds a button to reconnect the VPN profile to the "currently connected" dialog, Don't apply/configure app selection on Android < 5 (the API is not supported there), Initiator SPIs are reset when retrying while reconnecting, which might avoid issues with, Catches some random exceptions (as seen in Play Console), Fixes database update when updating from app versions < 1.8.0, Adds support for split-tunneling on the client (only route specific traffic via VPN and/or exclude specific traffic from the VPN), Adds support for per-app VPN (either allow only specific apps to use the VPN or exclude certain apps from using it), Sending of certificate requests may be disabled (while this allows reducing the size of the IKE_AUTH message, e.g. Its Eddie client is fully-featured with a kill-switch and leak protection, and torrenting is permitted across its entire server network. Setup the VPN Connection. A virtual private network (VPN) but also includes the ability to pre-share a symmetric key between the client and server. The table tells you what the values mean. This does create some issues for utilizing WireGuard in a VPN client, however, such as key generation and management. https://wiki.strongswan.org/projects/strongswan/wiki/AndroidVPNClient, https://wiki.strongswan.org/projects/strongswan/wiki/AndroidVPNClientPrivacyPolicy. VPN typically relies on the client-server model and works as L2TP or L3TP depending on the protocol and service configuration. strongSwan VPN Client for Android 4 and newer The free strongSwan App can be downloaded from Google Play. The VPN client supports IKEv2 only with EAP-MD5 or EAP-MSCHAPv2 password-based, or certificate based user authentication and certificate-based VPN gateway authentication. strongSwan 5.x with Single Monolithic IKEv1 / IKEv2 Daemon strongSwan is an OpenSource IPsec-based VPN solution. All rights reserved. OpenSSH (also known as OpenBSD Secure Shell) is a suite of secure networking utilities based on the Secure Shell (SSH) protocol, which provides a secure channel over an unsecured network in a clientserver architecture.. OpenSSH started as a fork of the free SSH program developed by Tatu Ylnen; later versions of Ylnen's SSH were proprietary software offered by SSH IKE builds upon the Oakley protocol and ISAKMP. Option "Use default gateway on remote network option" in the Advanced TCP/IP settings The relevant locally, these subnets are not sent to the server. requests to send back the server certificate. However, DH groups Unique identifier to identify the VPN profile. 2.0.0, In strict mode the authentication will fail if the status of the remote certificate As an EAP identity exchange is needed, make sure to have the eap-identity plugin loaded. If a VPN profile with the same The Windows client supports IKE_SA rekeying but cant handle unsupported Diffie loaded. Adds basic support for EAP-TLS. certificate requirements, so that Windows strongSwan VPN Client Tags Communication Additional App Information Category: Free Communication App Publish Date: 2021-07-13 App uploaded by: Darren Boykin Latest aes256gcm16 or aes256gcm16-ecp256). The Shrew Soft VPN Client for Windows is an IPsec Remote Access VPN Client for Windows 2000, XP, Vista and Windows 7/8 operating systems ( 32 and 64 bit versions ). our Quickstart tutorial. MatrixSSL is an open-source TLS/SSL implementation designed for custom applications in embedded hardware environments.. The strongSwan VPN gateway and each Windows client needs an X.509 B) Authentication using X.509 User strongSwan VPN Client | F-Droid - Free and Open Source Android App Repository strongSwan VPN Client An easy to use IKEv2/IPsec-based VPN client. for this site is derived from the Antora default UI and is licensed under Break-before-make. However in most cases you do not I used an old version of strongSwan for years, it was a custom version from my VPN provider. Since 1.9.0 it is possible to This document is just a short introduction of the strongSwan swanctl command which uses the modern vici Versatile IKE Configuration Interface.The deprecated ipsec command using the legacy stroke configuration interface is described here.For more detailed information consult the man that feature is not compatible with split-tunneling), Adds a Quick Settings tile on Android 7+ to quickly initiate/terminate the VPN connection (, Similar to the Always-on feature, Android 8 doesn't enable the Quick Settings tile until the user unlocked the device after a reboot, Disconnecting via tile from the lock screen requires the user to unlock the device, connecting is possible without (unless a password has to be entered), The new settings activity allows specifying a default VPN profile used for the two features above (the default is to initiate the most recently used profile), The app automatically tries to reconnect the VPN profile if fatal errors occur (e.g. algorithm is omitted (e.g. really need a default route over VPN. Do others have more features? Virtual private networkVPN 2019-04-17. Diffie-Hellman groups (at least on Windows 10). if it's known the server is not available, or if CRLs are too large), Adds an option to enable strict revocation checking via OCSP/CRL. The strongswan Directory; The openssl Directory; The vstr Directory; Building the Native Parts; Building the App; This describes how to build the strongSwan VPN Client for Android. What are the advantages of a smaller code base? This is the default, Enforce the usage of AES-256-CBC and MODP-2048, With the value set to 2, Windows 11 proposes, Unfortunately the ESP proposals still contain the weak single DES and even Follow these steps to import the certificate: Send yourself an email with the CA certificate attached. may be created e.g. Go to your applications list and tap on strongSwan icon. authenticates itself with an X.509 certificate using a strong RSA/ECDSA signature. Fortunately Windows sends a DHCP request upon connection and add routes supplied strongSwan VPN Client An easy to use IKEv2/IPsec-based VPN client. We have used the version available in the repository, 4.5.2. NetworkManager Applet 1.4.5 This version works with all strongSwan with the command uuid -v4. are defined: The servers hostname or IP address. Note: If you specified the server's DNS name (instead of its IP address) during IKEv2 setup, you must enter the DNS name in the Server field. because no valid CRL is available), Fetching OCSP/CRL can now be aborted immediately (e.g. RAM-based server-side virtual IP pool. Also, unlike netsh, this Add a permanent default route manually using the following or a similar command: Configure and use a router advertisement daemon (requires custom patch for strongSwan, see, on Windows 10, and presumably all future versions where PowerShell is available, you can use MS PowerShell, Adrian Dimcev's blog provides valuable information on Agile VPN connections between. Some of the keys described below are only relevant for certain types, Optional array of package names (e.g. Members of the Unified Administrative Service (UAS) and other users of the Administrative Computing Network (ACN) will need to use different Setting up a VPN server on Linux will give you control over your data by allowing you to encrypt your traffic without relying on a thrid party. This procedure describes how to configure strongSwan: Use this section in order to confirm that your configuration works properly. strongSwan is open source software that is used in order to build Internet Key Exchange (IKE)/IPSec VPN tunnels and to build LAN-to-LAN and Remote Access tunnels with Cisco IOS software. it disables loose identity matching against all subjectAltNames, see, Selection of the client identity if certificate authentication is used (see, Removed the progress dialogs during dis-/connecting, Redesign of the profile editor (reordered, floating labels, helper texts, "gateway"->"server"), Tabs in CA certificate manager have been updated (sliding tabs with ViewPager), Switched to the AppCompat theme (Material-like), Increases the NAT-T keepalive interval to 45s (, Fixed the font in the log view on Android 5+, Roaming between networks on Android 5 and newer has been fixed (, A custom MTU can be specified (currently between 1280 and 1500). checking of the remote certificate. Another option is to set no rekey time, but only a hard lifetime to delete the CHILD_SA. org.strongswan.android.VPN_PROFILE_ID : UUID of the profile to start (a string that looks like this: org.strongswan.android.VPN_PROFILE_ID : UUID of the profile to disconnect, EAP authentication based on username/password (EAP-MSCHAPv2, EAP-MD5, EAP-GTC), RSA/ECDSA authentication with private key/certificate, EAP-TLS with private key/certificate (see, The server always has to be authenticated with RSA/ECDSA (even when using EAP-TLS, see, Only a single tunnel can be established at a time, The IPsec default proposals are limited to AES encryption with SHA2/SHA1 data integrity or AES-GCM authenticated encryption. strongSwan-2.3.3.apk.sig: 2021-07-13 16:18 : This procedure describes how to test and verify the strongSwan configuration: There is currently no specific troubleshooting information available for this configuration. Since 1.9.0, Optional array or space-separated list of DNS server addresses to use instead of If your network is live, make sure that you understand the potential impact of any command. Hellman groups. in EAP secrets in ipsec.secrets). To connect a profile use the following information in the Intent: To disconnect the profile use the following information in the Intent: The app is compatible to the Windows example configurations we provide (although the app supports stronger algorithms than Windows clients do) and the IKEv2 roadwarrrior examples. While the swanctl.conf and the legacy ipsec.conf configuration files are well suited to define IPsec-related configuration parameters, it is not useful for other strongSwan applications to read options from these files. Linux strongSwan IPsec Clients (e.g., OpenWRT, Ubuntu Server, etc.) 1.9.0, An array of subnets (in CIDR notation), IP addresses or ranges (IP-IP) to exclude Importing CA certificates into the Android system keystore may trigger a warning since Android 4.4 (Network may be monitored by an unknown third party), whereas importing CA certificates directly into the app will work fine. pki tool can be used to generate these certificates, see username/password-based EAP authentication importing the profile the user is able to edit it freely. Enabled by default. 1.9.0, Optional object that sets the revocation checking policy for the remote certificate, Whether to use CRLs (Certificate Revocation Lists) if available for revocation Optional object containing split-tunneling settings. Since 1.9.0, Optional array of package names (e.g. VPN, use any other IP address that is assigned to it and included in the traffic Notes: Use the Command Lookup Tool (registered customers only) in order to obtain more information on the commands used in this section. It is also possible to configure an IPSec LAN-to-LAN tunnel between Cisco IOS software and strongSwan. There are thee workarounds: By default, the Windows Agile VPN Client only offers AES-128-CBC, AES-192-CBC, AES-256-CBC, 3DES, SHA-1,SHA-256, SHA-384 and MODP-1024.By creating and setting the following registry key as a DWORD key, support for MODP2048 can be enabled, disabled or enforced. Copyright 2021-2022 make make install The compilation and installation of strongswan on the Ubuntu platform is complete, several configuration files ( strongswan.conf, ipsec.conf and ipsec.secrets) and folders ( strongswan.d,ipsec.d) are copied under /usr/local/etc path. 1. Since version 1.8.0 of the The documentation set for this product strives to use bias-free language. Since Cisco recommends that you have basic knowledge of these topics: The information in this document is based on these software versions: The information in this document was created from the devices in a specific lab environment. what the values mean. strongSwan is an OpenSource IPsec-based VPN solution. downloaded file from within Chromes Downloads view it works as these Intents Choose VPN in the interface list. are defined: An array of subnets (in CIDR notation), IP addresses or ranges (IP-IP) to route currently support IKE redirection (RFC 5685) and multiple authentication Launch the strongSwan VPN client and tap Add VPN Profile. Modify the configuration files per the next section. Typically has to match a subjectAltName contained in the client authentication failures). To access the server via Select the VPN connection that you just created, tap the switch on the top of the page, and youll be connected. for details). Rekeying CHILD_SAs is also supported by the Windows 7 client. support for UDP encapsulation for IPv6 on the server (the Linux kernel only I recently learned that IKEv2 was a very robust protocol over mobile networks and switching network on the fly. Important: The hostname/IP of the VPN server, as configured in the VPN profile, has to be contained as subjectAltName extension in the VPN server's certificate. The retries are delayed by an exponential backoff, which is currently capped at 2 minutes, The status screen in the main activity as well as the notification show a countdown until the next automatic retry, manually retrying is possible from both locations, On Android 5+ a dummy VPN interface is installed while connecting to a VPN profile, or recovering from errors, to block unencrypted traffic, while taking excluded subnets/apps configured in the profile into account, Note that this VPN interface is removed when the VPN is disconnected, Errors are not shown in a modal dialog anymore in the main activity, but in a banner directly above the status information (with buttons to view the log and retry connecting), Uses a separate activity to initiate/terminate/retry VPN profiles, which avoids having to bring the main Activity to the foreground for these actions, Adds options to disable OCSP/CRL fetching (e.g. Android releases, see An easy to use IKEv2/IPsec-based VPN client. When I use my mac, I connect normally to the VPN and then go to somesiteinmyDNS/mythings and works perfectly fine.However, when I connect with the same parameters using Ubuntu 16.04, the DNS won't work. Enter Your VPN Server IP (or DNS name) in the Server field. a list of crypto algorithm identifiers separated Optional custom ESP proposal, i.e. Additionally Windows 11 proposes the AES-GCM authenticated encryption algorithm (AEAD) but Authentication Methods. Use the Output Interpreter Tool in order to view an analysis of show command output. Download. Don't mark VPN connections as metered. in option 249 of the DHCP reply. strongSwan VPN Client - An easy to use IKEv2/IPsec-based VPN client. for this site is derived from the Antora default UI and is licensed under It is supported in Linux via strongSwan. On Windows 10 and presumably all future versions where PowerShell is available, Android (strongSwan) client configuration Currently there is no IKEv2 native support in Android, however it is possible to use strongSwan from Google Play Store which brings IKEv2 to Android. The developer provided this information and may update it over time. Version 5.9.8, 2022-10-03 Changelog Get the latest open-source GPLv2 version now, or learn more about commercial licensing options. Free VPN Android Client App 1.5 Update. 2.0.0. For some reason, a Lastly, follow the Strongswan's 'ipsec.conf' documentation throughly on what are supported on IKEv1. can be any valid device name (e.g. ah = comma-separated list of AH algorithms to be used for the connection, e.g. strongSwan VPN Client: Free Android app (4.1 , 500,000+ downloads) An easy to use IKEv2/IPsec-based VPN client. (to which the IKE_SA was established) via VPN connection. It will look to them as if there was no VPN. The Java part and the libraries communicate by means of the Java Native Interface (JNI). Since the App has no access to the IPsec stack provided by the Linux kernel, a userland IPsec implementation is provided by the libipsec library. The code for the App can be found in the src/frontends/android directory of the strongSwan repository. Turning on DPD on the VPN to restart the connection doesn't seem to help, and Keep Alive is enabled on the router. The client authentication has to be done with EAP-TLS in this case. determine the type of client authentication that is used (the server is always Thus its not necessary if the server certificate is issued by a CA the client Since 1.5.0 the user may opt to block all traffic not destined for the VPN if the server does narrow the traffic selector or split tunneling is configured on the client. I use it in conjunction with IPVanish servers, it is a little fiddly to setup at first but you will be well rewarded with a very reliable connection. Since required, a Diffie-Hellman group is optional (e.g. Follow these steps to import the certificate: Send yourself an email with the CA certificate attached. Determine the private IP of the VPN server in the target network behind the VPN, and add the corresponding line to /etc/ipsec.conf: Make sure to fulfill the certificate requirements to successfully authenticate Windows clients. the domain part may have to be stripped away or be included when defining the Optional interval for Latest Release. Many thanks go to Edward Chang and Gleb Sechenov from the Information Security Institute (ISI) of the Queensland University of Technology (QUT) who provided the initial Windows 7 Beta and Ubuntu Linux test setup. NULL encryption algorithms and data integrity is restricted to SHA1. which cover the entire IPv4 range. Cmdlet will will take care of adding the route upon VPN Server. 2.2.0 also for other authentication New in version 2.3.3 # if their authentication type differs or the clients send different certificate for authenticated with a certificate): Freevpn.us Android Client is out here. connection and also removing it upon disconnection. revocation checking of the remote certificate. those received by the VPN server. In our example scenarios the CA certificate strongswanCert.pem must be present on all VPN endpoints in order to be able to authenticate the peers. support fragmentation. Since version 1.8.0 of the app it is possible to import VPN profiles from The VPN client supports IKEv2 only with EAP-MD5 or EAP-MSCHAPv2 password-based, or certificate based user authentication and certificate-based VPN gateway authentication. If a strongSwan gateway initiates IKE_SA rekeying, it must use modp1024 as the DH group in the first attempt, otherwise rekeying fails. for RSA signatures during RFC 7427 signature authentication. Windows Phone\User). Version: 2.3.3 Added: 21-08-2021 Updated: 21-08-2021 more_vert Official Android port of the popular strongSwan VPN solution. is unknown (e.g. If no remote identity is configured this has Optionally, using PFS with one of a number of proposed ECP/MODP DH groups. Download strongSwan VPN Client latest version 2.3.3 APK for Android from APKPure. Thus this is basically equivalent to including ::/0 in or one of the crypto library plugins (openssl or gcrypt) is required. Alternatively, you may configure Linux VPN clients using the command line. If it is set the identity is sent as IDr during authentication and must match the server's identity exactly (i.e. Forces all IPv4 Learn more about how Cisco is using Inclusive Language. The client gets the IP address from the pool 10.10.0.0/16. via VPN. strongSwan VPN Client for Android 4 and newer The free strongSwan App can be downloaded from Google Play. usually does not require administrator privileges and is fully integrated with Open-source, modular and portable IPsec-based VPN solution. It will do so about every 58 minutes and 46 seconds, so set the gateway rekey time a little higher. The IP addresses are the endpoints of the IPsec tunnel. Before you begin, please make sure you have a working Remote Access environment using one of the Check Point Endpoint Clients (Windows / MacOS). Installation has to happen via, Fixes an issue with break-before-make reauthentication (used if MOBIKE is not supported) if the server concurrently deletes the IKE_SA, Fixes a potential crash on Huawei devices, Authentication via EAP-MSCHPv2 now supports UTF-8 encoded passwords, Fixes an issue with upgrades from older versions, Adds a copy command to duplicate an existing VPN profile, Allows configuring custom DNS servers for each VPN profile, Fixes clicking some buttons (certificate selection, app selection) with keyboard navigation (also affects e.g. The strongSwan VPN gateway and each Windows client needs an X.509 certificate issued by a Certification Authority (CA). For non-AEAD/classic encryption algorithms an integrity algorithm, If not set, automatic CA certificate selection is enabled. All other traffic is forwarded as if there was no VPN. IKEv2 fragmentation is supported since the v1803 release of Windows 10 and Windows This is a guide to connect a Linux VPN Client based on strongSwan to your Check Point environment, using certificates from the InternalCA. So UDP-encapsulation is, If you don't get a list of installed apps to exclude/include from the VPN you might have to explicitly allow the strongSwan app to get this list. based on location, WiFi hotspots or other events. For some reason, a client behind NAT does not accept a rekeying attempt and rejects it with a Microsoft specific notify 12345, containing an error code ERROR_IPSEC_IKE_INVALID_SITUATION. Since swanctl.conf). EAP-MSCHAPv2 requires MD4 to generate the NT-Hashes, so either the md4 plugin or one of the crypto library wrappers (OpenSSL, Gcrypt) is required. Enable IP forwarding on the gateway (you need to do both of the following): Edit /etc/sysctl.conf and uncomment the line net.ipv4.ip_forward=1. This document is just a short introduction of the strongSwan swanctl command which uses the modern vici Versatile IKE Configuration Interface.The deprecated ipsec command using the legacy stroke configuration interface is described here.For more detailed information consult the man The following values are currently supported and If this is not configured it defaults to following keys. is .sswan can be opened depends on the app that starts the Intent. This document is just a short introduction of the strongSwan swanctl command which uses the Requests a new permission on Android 11 to get a list of all installed apps in order to ex-/include them from VPNs (and for the EAP-TNC use case). strongSwan currently can authenticate Windows clients either on the basis of X.509 Machine Certificates using RSA signatures (case A), X.509 User Certificates using EAP-TLS (case B), or Username/Password using EAP-MSCHAPv2 (case C). Configure a Site-to-Site VPN Tunnel with ASA and Strongswan Configure AnyConnect VPN Client U-turn Traffic on ASA 9.X 12-Aug-2022 Configure VPN Filters on Cisco ASA 21-Jul-2022 VPN clients and strongSwan VPN gateways can mutually authenticate themselves May be enabled if the server supports it. The content Android VPN client configuration because another app has the Always-on VPN feature enabled), The date/time/thread is shown in the log view if enough space is available (e.g. strongSwan Configuration Overview. no VPN. There are two workarounds: Add a permanent default route manually using the following or a similar command. Many do. This is a great app to use on mobile phones, it ensures a seamless speedy connection. Adds support to use IPv6 transport addresses for IKE and ESP (, Shows a proper error message if the UUID in a, Fixes a potential crash with the power whitelist dialog and handles rotation and other Activity restarts better if the information dialog is shown, Fixes the port scanning IMC (was broken since about 1.6.1), Several changes try to improve reachability even in Android's deep sleep phases (, An Android-specific scheduler (based on AlarmManager) and whitelisting from the system's battery optimization (the user is automatically asked to do so) ensures the app is woken at the scheduled times, which ensure that events (in particular for NAT keepalives) are triggered accurately, DPDs are sent if no NAT keepalive has been sent for a while, DPDs are sent after address/routing changes even if the path to the peer stays the same, Lifetimes are slightly increased to avoid conflicts even with inaccurate scheduling (IKE_SA overtime is now 30m instead of 10m, CHILD_SA lifetime is 2.5h instead of 1h, rekeyings are initiated ~30m before that), Fixes a possible crash via QuickSettings tile on some devices, Fixes loading CRL/OCSP via HTTP on Android 9, which defaults to HTTPs only (, Makes the client identity configurable (via advanced settings and, The certificate identity is now configured using the same text field (with auto-completion for SANs) instead of a drop-down field (just leave it empty to use the certificate's subject DN as identity), Fixes an issue with ECDSA certificate selection on Android 10 (, Note that Android 10 doesn't show the dialog (with a button to install certs) if no certificates are found. subnets, Copyright 2021-2022 algorithm) and a Diffie-Hellman group are required (e.g. The format is defined in This is the default behavior of the IKE daemon when reauthenticating an IKEv2 SA.It means that all IKE_SAs and CHILD SAs are torn down before recreating them. The expected encoding is UTF-8. Open the strongSwan app. Use this configuration in the /etc/ipsec.conf file: Use this configuration in the/etc/ipsec.secrets file: When the tunnel from strongSwan is initiated, all general information on phase1, Xauth, and phase2 is displayed: When you enable debugs on strongSwan, much information can be returned. How-to use Intents to connect/terminate VPN profilesHow-to use Intents to connect/terminate VPN profiles. C2S - strongSwan (Roadwarrior) and R80.30 - working. This directory contains all releases of the strongSwan VPN Client for Android, which is also released on Google Play. Forces all IPv6 Adds a button to install user certificates (newer Android releases don't provide one in the selection dialog anymore - if no certs are installed, the dialog doesn't even show up). But I've recently upgraded to the latest version of strongSwan and it's so much better now, with Always-On support and Split Tunneling for apps it has everything I need. This is only In addition, some institutions have a managed VPN that provides access to resources restricted to their own networks. traffic via VPN (traffic that does not match the negotiated traffic selector is ikev2-eap-tls: EAP-TLS certificate authentication Connecting from Android. if the MIME media type is set accordingly. successfully. runs on Linux 2.6, 3.x, 4.x, 5.x and 6.x kernels, Android, FreeBSD, OS X, iOS and Windows; implements both the IKEv1 and IKEv2 key is provided under a CC BY 4.0 license. An easy to use IKEv2/IPsec-based VPN client. Windows doesn't seem to be able to reach the VPN server's physical IP address (to which the IKE_SA was established) via VPN connection. EAP-MSCHAPv2 requires MD4 to generate the NT-Hashes, so either the md4 plugin The default changed when targeting Android 10 with the last release. is not needed if the authentication is delegated to an AAA server via Since rounds (RFC 4739). To access the server via VPN, use any other IP address that is assigned to it and included in the traffic selector (if necessary, assign an IP address to any local interface and maybe adjust the traffic selector). import VPN profiles from JSON files. Apps that create a screen overlay, such as, If you have problems with the app, find bugs or have feature requests you may open a new. strongSwan VPN Client - 2.3.3. Microsoft changed the Windows 10 VPN routing behavior for new VPN connections. Since strongSwan 5.2.1 and version 1.4.5 of the app fragmentation=yes may be added to the server config to use IKEv2 fragmentation, which avoids problems with IP fragmentation during connection establishment (due to large certificates or lots of certificate requests). Official Android port of the popular strongSwan VPN solution. The APK files here are signed with PGP using the key with key ID 765FE26C6B467584. This describes how to build the strongSwan VPN Client for Android. Fire TV sticks) when running on Android < 8, Fixes an issue with the QuickSettings tile on some devices where the callback is called even if no tile is available, Fixes profile selection/edit when the device is rotated, Removes support for EAP-PEAP/TTLS as it caused major issues with commercial VPN services (one issue was that the server identity was initially enforced as AAA identity, but changing that revealed that some providers use self-signed AAA server certificates - not sure what clients accept that), hopefully proper support can be added in a future version, Fixes a possible crash related to Android 8's optional Autofill feature (, Supports the Always-on VPN feature on Android 7+ (, Android 8 only starts the VPN service after the user has unlocked the device after a reboot, Android 7 immediately starts the VPN service after booting, but that means the app has no access to the KeyChain yet (if certificates are used), so no VPN connection can be established until the user unlocks the device, If password authentication is used and the password is not stored in the profile, the connection is aborted and the user has to manually retry connecting to enter the password, The "Block connections without VPN" system option on Android 8+ blocks all traffic not sent via VPN without considering any subnets/apps that are excluded from a VPN (i.e. client behind NAT does not accept a rekeying attempt and rejects it with a I am trying to run an strongswan VPN server to use with windows-10 clients using their builtin VPN feature (to make it easy for the client users) Whenever trying to connect, windows shows that the user/pass is accepted, then 'connecting, and then fails. The app allows creating shortcuts on the Android Launcher to quickly initiate specific VPN profiles. An easy to use IKEv2/IPsec-based VPN client. adjust the traffic selector). It was StrongSWAN, Libreswan, isakmpd. IKEv2 / IPsec VPN-. The MatrixSSL library contains a full cryptographic software module that includes industry-standard public key and symmetric key algorithms. Download the StrongSwan VPN client from the Play Store. the MPL-2.0 license. IANA IPv6 space assignment specifies only the 2000::/3 block as Global the Windows GUI, saving you trouble with batch files. Aside from Google Play the app is also available via F-Droid and the APKs are also Choose which kind of VPN connection you have. (AEAD) but unfortunately with the weak modp1024 DH group, too. media type was set correctly by the web server), but when e.g. where 192.168.103.0 is your (internal) network. to avoid problems with interface ID change between reboots. 2.0.0. ikev2-byod-eap: EAP-TNC with username/password-based EAP authentication Adds a permanent notification while connected (or connecting) that shows the current status and which allows running the VpnService instance as foreground service. How-to disable Project Fi's always-on VPNHow-to disable Project Fi's always-on VPN. on tablets or even in landscape orientation on phones), it should also be more efficient when displaying large logs, Removes the MIME-type filter when importing trusted certificates, allowing the import of certificates even if they don't have an X.509 related MIME-type set, All VPN profiles now have a random UUID assigned (its value may be copied from the profile editor e.g. strongSwan VPN Client 2.3.3 APK Android. WireGuard works great with Linux clients. traffic via VPN (traffic that does not match the negotiated traffic selector is Keys of sub-objects are separated with dots. Copy the CA Certificate to the device. The latter should also work for email attachments The app is also available via F-Droid and the APKs are also on our download server. When you connect to an Azure virtual network (VNet) using point-to-site (P2S) and certificate authentication from a Linux computer, you can use strongSwan (IKEv2 tunnels) or an The client authentication has to be done with You can enable this option on Desktop but there is no way to do this on Mobile. The native VPN client in Android uses the less secure modp1024 (DH group 2) for the IPsec/L2TP and IPsec/XAuth ("Cisco IPsec") modes. For Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. This is not needed if the authentication is delegated to an AAA server via eap-radius plugin. Get the latest update of Free VPN Android Client on Android. For non-AEAD/classic encryption algorithms, an integrity algorithm is The StrongSwan client is used to connect to a StrongSwan server. username/password-based EAP authentication) but not configured here, the user is Open the app. For combined-mode/AEAD algorithms the integrity algorithm is omitted but a PRF Two RAM-based server-side virtual IP pools A) Authentication using X.509 Machine Certificates, B) Authentication using X.509 User Certificates, Split routing on Windows 10 and Windows 10 Mobile, Configuring a Windows Agile VPN connection, Configuring strongSwan for a single Windows client, Configuring strongSwan for multiple Windows clients, strongSwan connection status and log information, Windows OS product behavior in regards to IKE, Windows 7 Beta and Windows Server 2008 R2 Beta, Microsoft Windows 8, Microsoft Windows Server 2012, Microsoft Windows RT Common Criteria Supplemental Admin Guidance for IPsec VPN Clients, Enforce the usage of AES-256-CBC and MODP-2048. are defined: Optional identity/username for EAP authentication. Note that you cant ignore DHCP routes You can achieve this by setting modp2048 as the first (or only) DH group in Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. The Virtual-Access interfaces are cloned and inherit their configuration from the parent Virtual-Template, which could create duplicate IP addresses. LogMeIn Hamachi is a virtual private network (VPN) application developed and released in 2004 by Alex Pankratov. Important: strongSwan releases before 4.3.1 are not compatible with Windows 7 RC (Build 7100) or later, because Microsoft's EAP-MSCHAPv2 implementation changed from Beta to Release Candidate. name DOMAIN\\your_vpn_username password your_password Issue: cannot initiate connection with ID wildcards (kind=CK_TEMPLATE) after running ipsec auto --ad L2TP-PSK when using Openswan 3.0.0. Windows does not currently support IKE redirection (RFC 5685). Diffie-Hellman key exchange algorithm that has been deprecated by I'm not too sure what your remote VPN server is using, but above is with an assumption that it's radius-based, make sure to correctly set your xauth-plugins based on it. DNS servers are now explicitly applied whenever a TUN device is created (instead of only when the IKE_SA is established), this ensures that the correct DNS servers are used if the CHILD_SA gets explicitly deleted by the server and recreated by the client. For IKEv2, multiple algorithms (separated by -) of the same type As the number of components of the strongSwan project is continually growing, we needed a more flexible configuration file that is easy to extend and can be used by all relevant locally. The VPN connection may be added in the GUI or via "Add-VpnConnection" cmdlet. Windows doesn't add an IPv6 route by default. able to use this VPN connection. In order to prevent man-in-the-middle attacks the strongSwan VPN gateway always you can use MS PowerShell and by hyphens. Ensure you have your StrongSwan servers access credentials ready before beginning the steps The strongSwan VPN Client for Android 4 and newer is an app that can be installed directly from Google Play. Phase 1: PSK (preshared) Phase 2: xauth-radius. Client Configuration. then just dropped). This document described the configuration of a strongSwan client that connects as an IPSec VPN client to Cisco IOS software. The strongSwan VPN gateway and each Windows VPN client needs an X.509 certificate The Point-to-Point Tunneling Protocol (PPTP) is an obsolete method for implementing virtual private networks.PPTP has many well known security issues. This is the absolute best VPN app out there bar none. Also corrects the label for the password field in the login dialog, Configuration of the server identity. The app will open http[s]:// URLs to .sswan files. There is a single connection entry, but I can't ping any IPs on that connection unless I ping the VPN from the router on the other side. This document is just a short introduction of the strongSwan swanctl command which uses the modern vici Versatile IKE See this page for an example of how to configure WireGuard on Ubuntu. change it while importing (but may later do so). Android VPN client configuration The UI sha1-sha256-modp1024. the gateways ike proposal of the VPN gateway. It is now called the Inside Secure TLS Toolkit. So if you dont want any major secret service to eavesdrop on your communication UIS provides a VPN service to access resources restricted to users on the University Data Network (UDN) from outside. The file format is based on JSON. For combined-mode/AEAD algorithms, the integrity There is no way known to change the rekey time (the netsh.ras.ikev2saexpiry options affect the Windows Server implementation only). All versions of Windows also support the proprietary IKEv1 fragmentation. IKEv2 is an acronym that stands for Internet Key Exchange version 2. Each operating system has a different installation file and we need to have them on the flash memory of the ASA: IKEv2 Cisco ASA and strongSwan; Unit 6: SSL VPN. Optional object containing information about the client. For forward compatibility with IKE routing in IKEv2, use an inside address, and avoid use of the IPSec 'local address' as 'ip unnumbered.'. Current (as of 2/2020) strongSwan supports XFRM interfaces since version 5.8.0. Since 2.0.0 it's possible to use Intents and a VPN profile's UUID to connect/terminate it with automation apps such as Llama or Tasker e.g. Some Windows clients will always send a domain part in the user name field (e.g. already trusts or if the PKCS#12-file below contains the complete certificate aes256-sha256-ecp256). So to prevent anyone with a valid certificate from impersonating the AAA server and thus the VPN server, the server is authenticated with a certificate (like we do with other authentication methods), It's currently not possible to select a specific CA certificate to authenticate the AAA server certificate, so it either must be issued by the same CA as that of the VPN server or automatic CA certificate selection must be enabled in the VPN profile, Adds the ability to import CA and server certificates directly into the app. Version 4 UUIDs (random-generated) are recommended and Note that after The UUID required for this can be found at the bottom of the advanced settings when editing a profile and may be copied from there. In order to prevent man-in-the-middle attacks the strongSwan VPN gateway always authenticates itself with an X.509 certificate using a strong RSA/ECDSA signature. Microsoft changed Windows 10 Desktop and Mobile VPN routing behavior for new VPN connections. by hyphens. The native Windows VPN Client does not send a responder identity (IDr) when initiating an IKE_SA, so two connection configurations can only be distinguished if their authentication type differs or the clients send different certificate for the different certificates' root CAs. Since 2.1.0, Whether to use IPv6 transport addresses for IKE and ESP if available. If a strongSwan gateway initiates an IKE_SA rekeying, it must use The PPTP specification does not describe XFRM interfaces are similar to VTI devices in their basic OpenSSL or the It pushes two separate routes Only relevant if apps is not set. Select the VPN connection that you just created, tap the switch on the top of the page, and youll be connected. com.example.app.name) of apps that wont By using the top-level element in the file is an object that may (or must) contain the Select Import certificate. the system keystore. Therefore any configuration the GUI or via the Add-VpnConnection cmdlet. a strongSwan VPN gateway using these protocols. If this is required (for key and optional certificate chain (the latter might cause warnings on older The strongSwan VPN Client for Android is an app that can be installed directly from Google Play. The app is also available via F-Droid and the APKs are also on our download server. Since version 1.8.0 of the app it is possible to import VPN profiles from files. VPN (Virtual Private Network) See also: Cryptographic hardware acceleration, Random generator VPN extends a private network across a public network providing connectivity and security. when retrieving device statistics). This is the most important debug to use when the tunnel is initiated: Check the dynamic interface on Cisco IOS software: Check the IPSec counters on Cisco IOS software. Where 192.168.103.0 is your (internal) network. The client does not support multiple authentication rounds (RFC 4739). To work around the issue, let the client initiate the rekeying by setting. All versions of Windows also support the proprietary IKEv1 fragmentation. Fortunately, Windows sends DHCP request upon connection and add routes supplied in option 249 of DHCP reply. is provided under a CC BY 4.0 license. RFC 4122. Show More. This If it is set the user is not able to After a secure communication channel has been set up by the IKEv2 protocol, the Windows clients authenticate themselves using the EAP-MSCHAPv2 protocol based on user name, optional windows domain and user password. The following attributes Download strongSwan VPN Client old versions apk on Android and find strongSwan VPN Client all versions. The Windows client does not The remote user will be able to download the anyconnect VPN client from the ASA so we need to store it somewhere. issued by a Certification Authority (CA). with a media type of application/vnd.strongswan.profile (the file extension then just dropped). Yes. Traffic between 10.10.0.0/16 and 192.168.1.0/24 is protected. DN shall be used as client identity, Optional Base64-encoded PKCS#12-container with the client certificate and private The strongSwan Team and individual contributors. Not necessary for username/password-based EAP authentication or if Disable AES-256-CBC and MODP-2048. from the VPN. Since 1.9.0, Whether to block IPv4 traffic thats not destined for the VPN. An IPsec VPN encrypts your network traffic, so that nobody between you and the VPN server can eavesdrop on Gateway could be anything (set to 0.0.0.0 in an example) as it's ignored by Windows.Note that you can't ignore DHCP routes in Windows. importing the profile, Whether to use the stronger PSS encoding instead of the classic PKCS#1 encoding content:// URLs that do not contain the original file name (it works if the Since 1.9.0 it is possible to limit a VPN connection to specific apps or exclude certain apps from using the VPN (to them it will seem as if no VPN is present). Limitations are: EAP-only authentication is not allowed because the AAA identity is not configurable. IKEv2 fragmentation is supported since the v1803 release of Windows 10 and Windows Server. strongSwan is an OpenSource IPsec-based VPN solution. The connection is fine but the DNS is not working.I am using Forticlient SSLVPN 4.4.2333-1 64bit in Ubuntu.MySQL (/maskjul/)[5]. strongSwan VPN Client for Android it is possible to The server port can be changed (default is 500, with a switch to 4500 - there is no switch if a custom port is set), Split tunneling can be disabled by blocking all traffic that is not destined for the VPN, Only on Android 5 and newer will split tunneling fully work if only one address family is tunneled via VPN (, Sets the preferred language for remediation instructions to the system language, EAP-TNC does not require a client certificate anymore. Disabled by default. aes256-sha256-ecp256). ikev2-cert-eap: Certificate authentication followed by a in subnets, Whether to block IPv6 traffic thats not destined for the VPN. This cmdlet I use Forticlient VPN SSL. For all other apps it will look as if there was Whether downloaded files for which the media type is not correct but the extension Since, Since the app runs with reduced privileges (it can't open RAW/PACKET sockets), it is limited to use UDP-encapsulated ESP, which it sends/receives via the UDP sockets used for IKE. a list of crypto algorithm identifiers separated Run the following two commands to compile and install strongswan under /usr/local directory. However, the Virtual-Template does refer to an IP address through the 'ip unnumbered' keyword in order to populate the adjacency table. Disabling this may reduce the size of the IKE_AUTH message if the server does not More information may be found in the docs. Windows clients authenticate themselves using the EAP-MSCHAPv2 protocol based strongSwan 5.x with Single Monolithic IKEv1 / IKEv2 Daemon This is very similar to case A, but certificates are stored in a user specific keystore (using smart cards is also possible in this case). types. Tap the more icon in the upper-right corner (the three dots icon) and select CA certificates. Microsoft specific notify 12345 containing an error code Static server-side virtual IP addresses. Secure your applications and networks with the industry's only network vulnerability scanner to combine SAST, DAST and mobile security. strongSwanClient Configuration The configuration contains these sections: Certificate ipsec.conf file File: The values that can be used are 0, 1 or 2. will not allow you add default route 0::/0. If you'd like to try new features and provide us with valuable feedback, please opt-in here, or directly from the app's page in the Play store. It also opens any file DocumentationstrongSwan is extensively documented, SupportFree and commecial support is available, Dynamic IP address and interface update with MOBIKE (, Automatic insertion and deletion of IPsec-policy-based firewall rules, NAT-Traversal via UDP encapsulation and port floating (, Virtual IP address pool managed by IKE daemon, DHCP, RADIUS or SQL database, A modular plugin system offers great extensibility and flexibility, Plugins can provide crypto algorithms, credentials, authentication methods, configs, access to IPsec and network stacks and more, Optional built-in integrity and crypto tests for plugins and libraries, Secure IKEv2 EAP user authentication (EAP-SIM, EAP-AKA, EAP-TLS, EAP-TTLS, EAP-PEAP, EAP-MSCHAPv2, etc. The server log shows an error, "deleting half open IDE_SA after timeout" . Refer to Important Information on Debug Commands before you use debug commands. When the VPN is connected the status will change to Connected in the green color. UUID already exists, its settings are replaced when the profile is imported, Type of the VPN profile. ipsec0, vti0 etc.). PPTP uses a TCP control channel and a Generic Routing Encapsulation tunnel to encapsulate PPP packets. browse for profile files via SAF (Storage Access Framework), which should also doesnt matter in that case). The strongSwan VPN Client for Android 4 and newer is an app that can be installed directly from Google Play. group is specified IPsec SA rekeying will use a DH key exchange. You can connect with world wide servers VPN provide by Freevpn.us. Additionally, IKEv2 between both devices works correctly both for remote and LAN-to-LAN access. PowerShell cmdlet it is possible to use even more algorithms like AES-GCM and ECP Gateway could be anything (set to 0.0.0.0 Some Windows clients will always send a domain part in the user name field (e.g. In order to prevent man-in-the-middle attacks the strongSwan VPN gateway always authenticates itself with an X.509 certificate using a strong RSA/ECDSA signature. exchange is needed for this to work, make sure to have the eap-identity plugin Linux WireGuard Clients. But note that the ip command treats names starting with vti special in some instances (e.g. It's great to have my battery back. strongSwan Configuration Overview. strongSwan Configuration Overview. As an EAP identity exchange is needed for this to work, make sure to have the eap-identity plugin loaded. This document describes how to configure strongSwan as a remote access IPSec VPN client that connects to Cisco IOS software. addr and no IDr is sent in the IKE_AUTH request, Optional Base64-encoded CA or server certificate. Save the CA certificate to your downloads folder. Install strongSwan VPN Client from Google Play, F-Droid or strongSwan download server. strongSwan the OpenSource IPsec-based VPN Solution. Since As an EAP identity You don't need the proprietary VPN on the play store that is blocked by half of the internet. strongSwanClient Support Remote Access clientwith IKEv2 has the ability to use the strongSwanClient. optionally enter the password while importing the profile, Optional IKE identity of the client for certificate authentication and since 2.1.1 # Authentication via EAP-MSCHPv2 now supports UTF-8 encoded passwords Fixes an issue with upgrades from older versions 2.1.0 # Adds a copy command to duplicate an existing VPN profile Allows configuring custom DNS servers. aes256-sha256 or be able to use this VPN connection. The VPN connection may be added in A client computer this is the easy as well as a popular open-source SSL solution, but Linux users can also go with Algo, Streisand, StrongSwan, and WireGuard, amongst others. All of the devices used in this document started with a cleared (default) configuration. aes256gcm16-prfsha256-ecp256). strongSwan is open source software that is used in order to build Internet Key Exchange (IKE)/IPSec VPN tunnels and to build LAN-to-LAN and Remote Access tunnels with initiating an IKE_SA, so two connection configurations can only be distinguished because no valid CRL was available). Improve performance IPv4. on user name, optional windows domain and user password. modp2048 as the DH group in the first attempt, otherwise rekeying fails. Install strongSwan on the gateway (and on your client, too). Depending on the backend used to authenticate the users, On Android 4.4+ the, The GUI indicates if the connection is being reestablished, A DNS proxy resolves the VPN server's hostname while reestablishing (plaintext is blocked otherwise), Supports ECDSA private keys on recent Android systems (tested on Android 4.4.4), Doesn't limit the number of packets during EAP-TTLS, Fixed issues with IV generation and padding length calculation for AES-GCM, Fixed a regression causing remediation instructions to pile up (EAP-TNC), Improved recovery after certain connectivity changes, Disabled listening on IPv6 because the Linux kernel currently does not support UDP encapsulation of ESP packets for IPv6, Uses kernel-netlink to handle interface/IP address enumeration, Added support for combined certificate/EAP authentication (RFC 4739), Added Polish, Ukrainian, and Russian translations, Fixed a race condition during reauthentication and a potential freeze while disconnecting, Added shortcuts to VPN profiles to quickly start specific connections from the launcher, Added a confirmation dialog if a connection is started but one is already established, Added support for MOBIKE e.g. The strongSwan Team and individual contributors. Windows 7 and newer releases support IKEv2 and MOBIKE (RFC 4555) through Sometimes we publish beta versions of our app on Google Play. In this example, the strongSwan client needs secure access to Cisco IOS software LAN network 192.168.1.0/24. the EAP client uses a method that verifies the server identity (such as EAP-TLS), but it does not match the IKEv2 gateway identity. It was created by Microsoft and Cisco and is used in It might be necessary to exclude the app from any battery saver feature on the system (e.g. An easy to use IKEv2/IPsec-based VPN client. to be contained as subjectAltName extension in the server certificate, Optional IKE identity of the server. Mandatory object containing information about the server. result. Client Configuration. on the Xiaomi MIUI8). After a secure communication channel has been set up by the IKEv2 protocol, the Windows clients authenticate themselves using the EAP-MSCHAPv2 protocol based on user name, optional windows domain and user password. By default Windows 7 up to Windows 11 propose only the weak modp1024 Is imported into the app, not The following attributes But it only works if the server doesnt require certificate in Windows. credentials (e.g. The remote client receives an IP address from pool 10.10.0.0/16. Certificates are stored in a user-specific keystore and its also possible to IPv4. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. if fragmentation is not supported, it only works if the server also sends its certificate if it didn't receive any certificate requests), NAT-T keepalive interval is now configurable (, CRLs are now fetched with a simple Android-specific HTTP/S fetcher, Adds a disconnect button in the permanent notification (, The log view should now be more efficient (, Fixes the handling of backslashes in usernames, Fixes an issue while disconnecting on certain devices (, Re-adds support for the ECC Brainpool DH groups (BoringSSL doesn't provide these), Fixes a crash (regarding libtpmtss.so) on older Android systems. And even with that the connection lasts anywhere from a couple minutes to half an hour. Once the application launched tap the needed profile from the list. The following attributes Fixes an interoperability issue with Windows Server. The same version brought support for the Always-on VPN feature that may be enabled in the system's VPN settings on Android 7+ and will start the VPN profile after a reboot (refer to the changelog for potential caveats). The notation is integrity[-dhgroup]. This describes how to build the strongSwan VPN Client for Android. the user already has the certificate/key installed as it may be selected while View with Adobe Reader on a variety of devices, Configuring Internet Key Exchange Version 2 and FlexVPN Site-to-Site, FlexVPN and Internet Key Exchange Version 2 Configuration Guide, Cisco IOS Release 15M&T, Technical Support & Documentation - Cisco Systems. Must not be configured if the certificates subject The 'ip unnumbered' keyword is just a reference to a physical or logical IP address on the router. # FEATURES AND LIMITATIONS # Uses the VpnService API featured by Android 4+. Safety starts with understanding how developers collect and share your data. Fill in the VPN connection details, then press Add once you are finished. IPsec VPN Server Auto Setup Scripts. * IKEv2 fragmentation is supported if the VPN server supports it (strongSwan does so since 5.2.1) * Split-tunneling allows sending only certain traffic through the VPN and/or excluding specific traffic from it * Per-app VPN allows limiting the VPN connection to Import the CA: Tap the settings icon (Three vertical dots in the upper right) Windows 7 and newer releases (including Windows Phone 8.1 and newer) support the IKEv2 and MOBIKE (RFC 4555) standards through Microsoft's Agile VPN functionality and are therefore able to interoperate with a strongSwan VPN gateway using these protocols. selector (if necessary, assign an IP address to any local interface and maybe Unicast, and adding this prefix is perfectly sufficient for routing all traffic strongSwan is an open-source, modular and portable IPsec-based VPN solution. Many modern VPNs use various forms of UDP for this same functionality.. Certificates for users, hosts and gateways are issued by a fictitious strongSwan CA. Windows doesnt add an IPv6 route by default. By using the Set-VpnConnectionIPsecConfiguration PowerShell cmdlet it is possible to use even more algorithms like AES-GCM and ECP DH groups (at least on Windows 10). Data privacy and security practices may vary based on your use, region, and age. in an example) as it is ignored by Windows. Aside from Google Play the app is also available via F-Droid and the APKs are also on our download server. 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