sophos invalid phase 2 id proposalsophos invalid phase 2 id proposal

sophos invalid phase 2 id proposal28 May sophos invalid phase 2 id proposal

If all the settings match, the remote firewall administrator must check the configuration at their end since the remote firewall has refused the connection. Verify the network objects on either end match exactly down to the correct subnets and even individual addresses. Contact Sophos Support if the website is not accessible. The firewall administrator changed the IKE phase 1 proposal used for the Sophos Connect policy on the firewall and the new configuration wasn't exported and uploaded to the client. SURF detected one or more of the following log lines below in the awarrenhttp log file of the SFOS appliance. Check the display_name attribute in the provisioning file and rename any duplicate names. We built our IPSEC config pre MR4 and the new Advanced settings area being exposed in the GUI. Troubleshooting site-to-site IPsec VPN - Sophos Firewall Pre MR5, everything was working just fine. Sophos XG Firewall: IPsec failed to setup phase 2 In this case, contact your firewall administrator. Now our second IPSEC configured clients can't connected with aInvalid Phase 2 ID proposal message. Check out the following KBA for a more detailed explanation on troubleshooting other IPsec problems, Sophos Firewall: SSH to the firewall using PuTTY utility, Sophos Firewall: IPsec troubleshooting and most common errors, Sophos Firewall: How to set a Site-to-Site IPsec VPN connection using a preshared key, Sophos Firewall v17: How to enable IKEv2 for IPsec VPN, Sophos Firewall: How to establish a Site-to-Site IPsec VPN connection using RSA Keys, Sophos Firewall:How to establish a Site-to-Site IPsec connection using Digital Certificates, Sophos Firewall:How to apply NAT over a Site-to-Site IPsec VPN connection, Sophos Firewall:How to configure an IPsec VPN connection with multiple end points, Sophos Firewall:How to establish a Site-to-Site VPN connection between Cyberoam and Sophos Firewall using a preshared key, Sophos Firewall:How to create a hub and spoke IPsec VPN, Sophos Firewall:Troubleshooting steps when traffic is not passing through the VPN tunnel, Sophos Firewall: How to allow Remote Access SSL VPN traffic over existing IPsec tunnel without modifying the IPsec tunnel, Sophos Firewall: How to configure access for SSL VPN remote users over an IPsec VPN, Best practice for site-to-site policy-based IPsec VPN, Sophos Firewall v17.x: How to establish a Site-to-Site IPsec VPN to Microsoft Azure, Sophos Firewall v17.x : How to configure a site to site IPsec VPN with multiple SAs to a route based Azure VPN gateway. To prevent the prompt from showing when the SSL VPN policy is downloading, contact your firewall administrator. If you don't have access to the firewall or router, for example, if you're in a hotel, connect through your mobile hotspot and try to connect again. The purpose of this post is to help understand troubleshooting steps and explain how to fix the most common IPsec issues that can be encountered while using the Sophos Firewall IPsec VPN (site to site) feature. Contact your firewall administrator if you need further help. Check your local firewall or router configuration and allow traffic on those ports. Push the Default CA certificate from Sophos Firewall to the trusted store on the remote computers. The policy gateway is unreachable because it's turned off. Sophos Firewall: Status Code 502 Invalid headers in response The gateway isn't responding to IKE negotiation messages. Verify the priority of VPN and static routes. 2020-09-20 00:25:13 05[IKE] failed to establish CHILD_SA, keeping IKE_SA, Logs on remote(respond only) Sophos firewall, 2020-09-24 18:51:19 13[NET] <100> received packet: from 72.138.xx.xx1[500] to 10.0.0.4[500] (872 bytes), 2020-09-24 18:51:19 13[ENC] <100> parsed ID_PROT request 0 [ SA V V V V V V ], 2020-09-24 18:51:19 13[CFG] <100> looking for an ike config for 10.0.0.472.138.xx.xx, 2020-09-24 18:51:19 13[IKE] <100> no IKE config found for 10.0.0.472.138.xx.xx, sending NO_PROPOSAL_CHOSEN, 2020-09-24 18:51:19 13[ENC] <100> generating INFORMATIONAL_V1 request 1316998708 [ N(NO_PROP) ], 2020-09-24 18:51:19 13[NET] <100> sending packet: from 10.0.0.4[500] to 72.138.107.211[500] (40 bytes), 2020-09-24 18:51:19 13[IKE] <100> IKE_SA (unnamed)[100] state change: CREATED => DESTROYING, 2020-09-24 09:50:54 06[NET] received packet: from 40.84.xx.xx [500] to 192.168.1.16[500] (40 bytes), 2020-09-24 09:50:54 06[ENC] parsed INFORMATIONAL_V1 request 1316998708 [ N(NO_PROP) ], 2020-09-24 09:50:54 06[IKE] informational: received NO_PROPOSAL_CHOSEN error notify, 2020-09-24 09:50:54 06[IKE] IKE_SA NO_PROPOSAL_CHOSEN set_condition COND_START_OVER, 2020-09-24 09:50:54 06[IKE] flush_queue(IKE_MOBIKE), 2020-09-24 09:50:54 06[IKE] ### destroy: 0x7f9b88001f80, 2020-09-24 09:50:54 06[IKE] flush_queue(IKE_NATD), 2020-09-24 09:50:54 06[IKE] flush_queue(IKE_INIT), 2020-09-24 09:50:54 06[IKE] IKE_SA has_condition COND_START_OVER retry initiate in 60 sec, 2020-09-24 09:50:54 06[IKE] IKE_SA To_Azure_Sophos-1[108] state change: CONNECTING => DESTROYING. !crypto isakmp policy 10encr aesgroup 5lifetime 82800! The output doesn't show the phase 2 SAs. If the connection was added using a provisioning file, verify the hostname provided. This may be because the firewall administrator changed the local ID on the firewall, and the new configuration file wasn't imported to Sophos Connect. Enter the following command: ip xfrm state. This error applies to IPsec VPN connections only. This error applies to IPsec VPN connections only. Accept the security warning to connect and download the SSL VPN policy from Sophos Firewall. Table of Contents Problem #1 - Incorrect traffic selectors (SA) Verify networks being presented by both local and remote ends match Proceed to the next steps if the website is accessible. Number of Views 110. . Number of Views 140. Disclaimer: This information is provided as-is for the benefit of the Community. The purpose of this article is to decrypt and examine the common Log messages regarding VPNs in order to provide more accurate information and give you an idea of where to look for a resolution to specific VPN issues. This sends an IKE delete request to all the active SAs on the firewall. 09-02-2014 1997 - 2023 Sophos Ltd. All rights reserved. Example: You've configured the local firewall's IPsec connection with Local ID set to IP address, but the remote firewall is configured to expect a DNS name. If you configured traffic-based rekeying on the third-party remote firewall, change it to time-based rekeying. The remote ID has to match the configured ID or phase 1 will not come up, and thus the IPsec VPN wont work. 2020-11-13 13:56:39 12[ENC] <5> invalid ID_V1 payload length, decryption failed? The network adapter (ethernet or Wi-Fi) has no IP address. The troubleshooting steps below are for Windows only. Is it on the official roadmap to properly support multiple IPSEC profiles? ), IKE phase-2 negotiation is failed as initiator, quick mode. Sophos Connect then downloads the new policy to re-establish the tunnel. The pre-shared key on the firewall doesn't match the one used for this connection. Steps to put the strongswan service in debug: SSH into the Sophos firewall by following this KBA: To connect using SSH, you may use any SSH client to connect to port 22 of the SFOS device. During the phase 2 negotiation, the local and remote subnets specified on the firewalls didn't match. Make sure the WAN interface's MTU and MSS settings match the values given by the ISP. Help us improve this page by. The connection imported from a provisioning file has a duplicate display name. The output shows the transform sets for the VPN exist, that is, the SAs match. To resolve Proxy ID mismatch, please try the following: https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClbXCAS&refURL=http%3A%2F%2Fknowledgebase.paloaltonetworks.com%2FKCSArticleDetail, Created On09/25/18 19:43 PM - Last Modified08/05/19 20:11 PM. If not, please run the following commands: SFVUNL_VM01_SFOS 17.5.14 MR-14-1# cd /log, SFVUNL_VM01_SFOS 17.5.14 MR-14-1# tail -f strongswan.log. The information below only applies if your firewall administrator configured a provisioning (.pro) file. To check the live logs run the following command from Advanced Shell: The less commandallows you to parse through the static log files. Its not like SSLVPN, which supports different profiles per Client. Check the Proxy ID settings on the Palo Alto Networks firewall and the firewall on the other side. Overview . Update the local and remote ID types and IDs with matching values on both firewalls. Make sure the VPN configuration on both firewalls has the same settings for the following: Phase 1: Encryption, authentication, and DH group. Click on the links below for steps: SURF Detections Applies to the following Sophos product (s) and version (s): Sophos Firewall 18.0, 17.5, 17.0 SURF Detections Detected Log Lines Log Lines Explained What To Do Related Information/Articles Detected Log Lines invalid ID_V1 payload length, decryption failed CHILD_SA INVALID_ID_INFORMATION Thank you for your feedback. Check if a DNS server is assigned to the network interface. The Sophos Connect service (scvpn) is not running. 1997 - 2023 Sophos Ltd. All rights reserved. Did this config work with MR4 and stop working with MR5? !crypto ipsec transform-set T-TRANSFORM esp-aes esp-sha-hmacmode tunnel!crypto ipsec profile T-PROFILEset transform-set T-TRANSFORMset pfs group5! I also deactivated and reactivated the tunnel to see if that would generate logs and create the file. Sophos Firewall requires membership for participation - click to join. Status of IKE charon daemon (strongSwan 5.5.3, Linux 3.14.22, x86_64): uptime: 4 hours, since Oct 27 05:11:10 2020, malloc: sbrk 4927488, mmap 0, used 550176, free 4377312, worker threads: 27 of 32 idle, 5/0/0/0 working, job queue: 0/0/0/0, scheduled: 5, loaded plugins: charon aes des rc2 sha2 sha3 sha1 md5 random nonce x509 revocation constraints pubkey pkcs1 pkcs7 pkcs8 pkcs12 pgp dnskey sshkey pem openssl fips-prf curve25519 xcbc cmac hmac attr kernel-netlink socket-default stroke vici xauth-generic xauth-access-server ippool-access-server cop-updown garner-logging error-notify unity, To_Azure_Sophos-1: 192.168.1.16xxxxxx.eastus2.cloudapp.azure.com IKEv2, dpddelay=30s, To_Azure_Sophos-1: local: [72.138.XX.XX] uses pre-shared key authentication, To_Azure_Sophos-1: remote: [10.0.0.4] uses pre-shared key authentication, To_Azure_Sophos-1: child: 172.16.19.0/24 === 10.0.1.0/24 TUNNEL, dpdaction=restart. This error is due to an invalid hostname. A look at the ikemgr.log with the CLI command: ( description contains 'IKE protocol notification message received: INVALID-ID-INFORMATION (18).' The possible causes are as follows: The gateway sent an IKE delete request then the tunnel was deleted. They must choose one of the options below: The SSL VPN policy is misconfigured on Sophos Firewall. Please contact Sophos Professional Services if you require assistance with your specific environment. The firewall administrator changed the policy on the firewall. Due to negotiation timeout. I can configure the default profile on the XG to tunnel everything (use as default gateway) and then my individual split profiles still work as they should. Ensure that traffic from LAN hosts passes through the Sophos Firewall. Sophos Firewall: Website inaccessible due to 502 status code - invalid header in response KB-000041466 May 31, 2021 0 people found this article helpful. Sophos Home your license has expired - Sophos Home Help Failed SA: 216.204.241.93[500]-216.203.80.108[500] message id:0x43D098BB. Check if the website is accessible using the None web filter policy. New here? If you can't reconnect, contact your firewall administrator to troubleshoot further. Allowed users and groups and you can't do it in the GUI (from the VPN area) unless the Advanced settings area is configured. If you experience any issues that aren't listed, see General troubleshooting. Error on decryption of the exchange\ Information field of the IKE request is malformed or not readable. Common configuration errors that prevent Sophos Firewall devices from establishing site-to-site IPsec VPN connections. https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/index.html?contextId=t_202108101524110523. As IPsec only, Sophos Connect IPSEC tunnel fails with MR5 unless Use as default gateway is set in Advanced settings. We needed to add a use to the Allowed users and groups and you can't do it in the GUI (from the VPN area) unless the Advanced settings area is configured. Solved: vpn phase 2 error - IPSEC(ipsec_process_proposal): invalid In the following topics, you can see error messages, possible causes for the errors, and information on what to do next. If DNS resolution is failing, follow these instructions. Phase 1 is up \ Initiating establishment of Phase 2 SA \ Remote peer reports no match on the acceptable proposals The remote firewall shows the following error message: NO_PROPOSAL_CHOSEN Cause: Mismatched phase 2 proposal. If you retry multiple times and get the same error, the password may have changed or been disabled on the firewall. This may be because the strongSwan service crashed while the tunnel was active. The most common phase-2 failure is due to Proxy ID mismatch. The Sophos Connect client imports the SSL VPN configuration by connecting to the Sophos Firewall user portal using the provisioning file's properties. This issue may occur if the networks being negotiated on either end of the tunnels dont match on both ends. 2020-09-20 00:25:13 05[NET] received packet: from 72.138.xx.xx[4500] to 10.0.0.4[4500] (1168 bytes), 2020-09-20 00:25:13 05[ENC] parsed CREATE_CHILD_SA request 2 [ SA No KE TSi TSr ], 2020-09-20 00:25:13 05[CFG] looking for a child config for 10.0.1.0/24 === 172.16.19.0/24, 2020-09-20 00:25:13 05[IKE] traffic selectors 10.0.1.0/24 === 172.16.19.0/24 inacceptable. message ID = 1546246116 Security Associations (1 up, 0 connecting): To_Azure_Sophos-1[11]: ESTABLISHED 6 minutes ago, 192.168.1.16[72.138.xx.xx]52.179.xx.xx[10.0.0.4], To_Azure_Sophos-1[11]: IKEv2 SPIs: de12479abd022538_i* e9aa15057931f8d2_r, rekeying in 77 minutes, To_Azure_Sophos-1[11]: IKE proposal: AES_CBC_256/HMAC_SHA2_512_256/PRF_HMAC_SHA2_512/CURVE_25519, To_Azure_Sophos-1{11}: INSTALLED, TUNNEL, reqid 6, ESP in UDP SPIs: c2a06117_i ce6446d0_o, To_Azure_Sophos-1{11}: AES_CBC_256/HMAC_SHA2_512_256, 0 bytes_i, 0 bytes_o, rekeying in 14 minutes, To_Azure_Sophos-1{11}: 172.16.19.0/24 === 10.0.1.0/24, SFVUNL_AI01_SFOS 19.0.1 MR-1-Build365# ip route show table 220, 10.0.1.0/24 dev ipsec0 scope link src 172.16.19.16, 2020-11-13 04:55:06 17[NET] received packet: from 20.36.xxx.xxx[500] to 192.168.1.16[500] (124 bytes). In the instructions posted it doesnt say to switch to that directory first. I don't see any specific reference in the documentation saying only a single profile is supported. You can also match keywords within the logs by entering. Check that you have a valid IP address and that your existing network connection is working. The message no matching peer config found indicated that the connection ID wasnt configured to match on both sites. Verify if firewall rules are created to allow VPN traffic. A site-to-site IPSec VPN between a Palo Alto Networks firewall and a firewall from a different vendor is configured. On Sophos Firewall, import the certificate, and then select it for. Sophos Firewall: Troubleshooting site to site IPsec VPN issues Set the initiator's phase 1 and phase 2 key life values lower than the responder's. If the preshared key matches, verify with the ISP or on the upstream devices if they've corrupted the packet. This seems like an artificial limitation so you can have functionality in version 2.1 of the client to push profile updates. Gateway address: The peer gateway address you've entered on the local firewall matches the listening interface in the remote configuration. I enabled strongswan and it shows that it's running, but when I run the tail -f command, its saying No such file or directory. The SSL VPN (remote access) policy on Sophos Firewall doesn't contain any policy members. Run the following command to check the current directory. It will remain unchanged in future help versions. IPsec connection is established between a Sophos Firewall device and a third-party firewall. Phase 2 fail, IPSec policy invalidated proposal with error 32 *Jan 11 2016 03:47:03.535 UTC: ISAKMP: set new node 1546246116 to QM_IDLE *Jan 11 2016 03:47:03.535 UTC: ISAKMP: (1003): processing HASH payload. This could be due to any of the following reasons: If DNS resolution is failing for the gateway, follow these instructions. You must download and import a new ovpn file from the Sophos Firewall user portal to successfully re-establish the SSL VPN tunnel. This issue may occur if theres a mismatched local and remote connection ID configured, Problem #4 -Traffic does not pass through the IPsec VPN Tunnel, Sophos Firewall: Troubleshooting steps when traffic is not passing through the VPN tunnel, Problem #5 Invalid HASH_V1 payload length, decryption failed? As I had to configure the Advanced settings area in MR5 (let's call it the default profile) to just save the screen, then things stopped working. Here is the same example for site to site, http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/867-cisco-router-site-to-site-ipsec-vpn.html. Are you in /log partition? Can anyone explain this behaviour and if this is a bug or a poor design decision? Sophos Connect IPSEC tunnel fails with MR5 unless Use as default To prevent key exchange collisions, follow these guidelines: Sophos Firewall only supports time-based rekeying. The firewall administrator manually deleted all of the IPsec connections for this user on the firewall. Also you can refer the sample config here. crypto ikev2 proposal AES256-192-128-PROPOSAL, encryption aes-cbc-256 aes-cbc-192 aes-cbc-128, match identity remote address 10.0.0.2 255.255.255.255, crypto ipsec transform-set ESP-AES256-SHA esp-aes 256 esp-sha-hmac, ip route 192.168.1.0 255.255.255.0 10.0.0.2, i found the issue, i had misconfigured the tunnel and was using the wrong interface as the source, IPSEC(ipsec_process_proposal): invalid local address. The user portal uses a self-signed certificate that can't be verified by the Sophos Connect client. Make sure the preshared key matches in the VPN configuration on both firewalls. Contact your firewall administrator and report the problem to troubleshoot further. Accept the security warning to connect and download the, Issue a new certificate for Sophos Firewall signed by a public CA. 1 Introduction 1.1 Goal of this document This configuration guide describes how to configure TheGreenBow IPsec VPN Client software with a SOPHOS XG Firewall VPN router to establish VPN connections for remote access to corporate network. Now our second IPSEC configured clients can't connected with a Invalid Phase 2 ID proposal message. The user must download and import a new ovpn file from Sophos Firewall user portal to re-establish the SSL VPN tunnel. The possible causes are as follows: The remote gateway responded to IKE negotiations from Sophos Connect with this error notification. - edited In the following topics, you can see error messages, possible causes for the errors, and information on what to do next. Help us improve this page by, Comparing policy-based and route-based VPNs, Remote peer reports no match on the acceptable proposals, Tunnel established but traffic stops later. Always use the following permalink when referencing this page. New Sophos Support Phone Numbers in Effect July 1st, 2023. IPsec failed to setup the connection due to invalid ID. You've either taken a step backwards or closeda function you didn't realise people were using. Troubleshoot event errors - Sophos Connect This error applies to SSL VPN connections only. New Sophos Support Phone Numbers in Effect July 1st, 2023. Turn off the TAP adapter then turn it on. XG firewall supports only one profile as of today, if you go down the road with the XG config with split tunneling. Open the command prompt as an administrator and enter the following commands: If the connection is configured with a provisioning file, Sophos Connect automatically tries to reconnect. The connection was created by importing an ovpn file. Override hostname is configured, but it does not resolve to a valid or correct public IP address. Traffic stops flowing after some time. Cause: The remote firewall couldn't authenticate the local request because the ID types don't match. The purpose of this post is to help understand troubleshooting steps and explain how to fix the most common IPsec issues that can be encountered while using the Sophos Firewall IPsec VPN(site to site) feature. For example, the remote firewall expects 192.168.0.0/24, but the local firewall tries to negotiate using 192.168.1.0/24. Open the command prompt as an administrator and type the following command: net start scvpn. Your browser doesnt support copying the link to the clipboard. If it doesn't resolve, contact your ISP. message ID = 1546246116 *Jan 11 2016 03:47:03.535 UTC: ISAKMP: (1003): processing SA payload. We set it up as our standard Split Tunnel config and saved. The remote gateway (firewall or router) has been shut down. Applies to the following Sophos product(s) and version(s): Sophos Firewall 18.0, 17.5, 17.0 . To prevent the prompt from showing in the future, contact your firewall administrator. & Parsed IKE_AUTH response1[ N(AUTH_FAILED) ]. If the firewall administrator changes the SSL VPN policy on Sophos Firewall while the tunnel is in a connected state, if it's an SSL VPN over TCP tunnel, the Sophos Connect client detects and downloads the new policy immediately. If the firewall administrator changes the SSL VPN policy on Sophos Firewall while the tunnel is in a connected state, and it's an SSL VPN over TCP tunnel, then the Sophos Connect client detects and disconnects the tunnel with an error. SURF Detections . Set the phase 2 key life lower than the phase 1 value in both firewalls. 1.2 VPN Network topology The strongSwan log shows the following messages: We have successfully exchanged Encryption and Authentication algorithms, we are now negotiating the Phase 1 SA encryption (hashing) key, Remote peer reports we failed to authenticate. If it's an SSL VPN over UDP tunnel, you need to wait for the inactivity timer to delete the tunnel. Phase 1 succeeds, but Phase 2 negotiation fails. The firewall or the router is blocking UDP ports 500 and 4500. Sophos XG Firewall: Mails failed to deliver due to retry time not reached for any . XG firewall supports only one profile as of today, if you go down the road with the XG config with split tunneling. 07:48 PM, i have two 1941 routers running 15.2 and i'm trying to set up a site to site vpn withdigital signatures, i can get to a phase 2 proposal (phase 1 gets to qm_idle) but the phase 2 proposal is rejected with the above error message, has anyone any good sample configs of a site to site vpn using 15.2. Thank you for the feedback. The local ID type or value configured in the Sophos Connect policy on the firewall is different from this connection's value. After much stuffing around and spotting a clue in the MR4 release notes, we figured out we had to have the Use as default gateway turned on in the GUI and then all the clients could connect. Understanding and troubleshooting common log errors - SonicWall Cause: The cause is likely to be a preshared key mismatch between the two firewalls.

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