sophos invalid phase 2 id proposal

Strongswan is the service used by Sophos to provide IPSec functionality. Accept the security warning to connect and download the SSL VPN policy from Sophos Firewall. The remote gateway (firewall or router) has been shut down. Are you in /log partition? Applies to the following Sophos product(s) and version(s): Sophos Firewall 18.0, 17.5, 17.0 . The user must download and import a new ovpn file from Sophos Firewall user portal to re-establish the SSL VPN tunnel. The most common phase-2 failure is due to Proxy ID mismatch. !crypto isakmp policy 10encr aesgroup 5lifetime 82800! Go to solution mulhollandm Beginner Options 09-02-2014 04:12 PM - edited 02-21-2020 07:48 PM folks i have two 1941 routers running 15.2 and i'm trying to set up a site to site vpn with digital 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 The Sophos Connect client imports the SSL VPN configuration by connecting to the Sophos Firewall user portal using the provisioning file's properties. 2020-11-13 13:56:39 12[ENC] <5> could not decrypt payloads, 2020-11-13 13:56:39 12[IKE] <5> message parsing failed, 2020-11-13 13:56:39 12[ENC] <5> generating INFORMATIONAL_V1 request 2070455846 [ HASH N(PLD_MAL) ], 2020-11-13 13:56:39 12[NET] <5> sending packet: from 10.0.0.4[500] to 72.138.xxx.xxx[500] (124 bytes), 2020-11-13 13:56:39 12[IKE] <5> ID_PROT request with message ID 0 processing failed, 2020-11-13 13:56:39 04[NET] sending packet: from 10.0.0.4[500] to 72.138.xxx.xxx[500], 2020-11-13 13:56:39 12[DMN] <5> [GARNER-LOGGING] (child_alert) ALERT: parsing IKE message from 72.138.xxx.xxx[4500] failed, 2020-11-03 04:17:03 03[NET] received packet: from 40.75.xxx.xxx[4500] to 192.168.1.16[4500] (96 bytes), 2020-11-03 04:17:03 03[ENC] parsed IKE_AUTH response 1 [ N(AUTH_FAILED) ], 2020-11-03 04:17:03 03[IKE] received AUTHENTICATION_FAILED notify error, 2020-11-03 04:17:03 03[DMN] [GARNER-LOGGING] (child_alert) ALERT: creating local authentication data failed, 2020-11-03 04:17:03 03[IKE] IKE_SA AUTHENTICATION_FAILED set_condition COND_START_OVER, 2020-11-03 04:17:03 03[IKE] IKE_SA has_condition COND_START_OVER retry initiate in 60 sec, 2020-11-03 04:17:03 03[CHD] CHILD_SA To_Azure_Sophos-1{191} state change: CREATED => DESTROYING, 2020-11-03 04:17:03 03[IKE] IKE_SA To_Azure_Sophos-1[123] state change: CONNECTING => DESTROYING, 2020-11-03 13:18:07 21[NET] <136> received packet: from 72.138.xxx.xxx[4500] to 10.0.0.4[4500] (464 bytes), 2020-11-03 13:18:07 21[ENC] <136> parsed IKE_AUTH request 1 [ IDi IDr AUTH SA TSi TSr N(MULT_AUTH) N(EAP_ONLY) N(MSG_ID_SYN_SUP) ], 2020-11-03 13:18:07 21[CFG] <136> looking for peer configs matching 10.0.0.4[10.0.0.4]72.138.xxx.xxx[72.138.xxx.xxx], 2020-11-03 13:18:07 21[CFG] <136> candidate "Azure_to_Sophos-1", match: 20/20/1052 (me/other/ike), 2020-11-03 13:18:07 21[CFG] selected peer config 'Azure_to_Sophos-1', 2020-11-03 13:18:07 21[IKE] tried 2 shared keys for '10.0.0.4' - '72.138.xxx.xxx', but MAC mismatched, 2020-11-03 13:18:07 21[DMN] [GARNER-LOGGING] (child_alert) ALERT: peer authentication failed, 2020-11-03 13:18:07 21[ENC] generating IKE_AUTH response 1 [ N(AUTH_FAILED) ], 2020-11-03 13:18:07 21[NET] sending packet: from 10.0.0.4[4500] to 72.138.xxx.xxx[4500] (96 bytes), 2020-11-03 13:18:07 21[IKE] IKE_SA Azure_to_Sophos-1[136] state change: CONNECTING => DESTROYING. 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. If the provisioning file is configured correctly, contact your firewall administrator to troubleshoot further. The policy gateway is unreachable because it's turned off. Check that you have a valid IP address and that your existing network connection is working. If you need further assistance, contact Sophos Support. The Sophos Connect service (scvpn) is not running. 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. Check the Proxy ID settings on the Palo Alto Networks firewall and the firewall on the other side. Check the display_name attribute in the provisioning file and rename any duplicate names. Use these resources to familiarize yourself with the community: vpn phase 2 error - IPSEC(ipsec_process_proposal): invalid local address, Customers Also Viewed These Support Documents. message ID = 1546246116 I had not configured the Advanced settings as it didn't exist prior to MR4. Well put strongswan service in debugging while we troubleshoot IPsec VPN issues. 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. Ensure that traffic from LAN hosts passes through the Sophos Firewall. A site-to-site IPSec VPN between a Palo Alto Networks firewall and a firewall from a different vendor is configured. Common configuration errors that prevent Sophos Firewall devices from establishing site-to-site IPsec VPN connections. 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. If DNS resolution is failing, follow these instructions. Sophos Firewall 18.0; Cause The Allow All web filter policy on Sophos Firewall receives an invalid response from the upstream server it is accessing. Help us improve this page by. Possible reasons for the failure are as follows: Thank you for your feedback. Run the following command to check the current directory. & Parsed IKE_AUTH response1[ N(AUTH_FAILED) ]. Make sure the WAN interface's MTU and MSS settings match the values given by the ISP. 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. IPsec connection is established between a Sophos Firewall device and a third-party firewall. - edited Your browser doesnt support copying the link to the clipboard. If you want to have multiple different configurations, this is bad. Open the command prompt as an administrator and type the following command: net start scvpn. Find answers to your questions by entering keywords or phrases in the Search bar above. 09-02-2014 If all the settings match, the remote firewall administrator must check the configuration at their end since the remote firewall has refused the connection. Did this config work with MR4 and stop working with MR5? Thank you for the feedback. Thegrepcommandapplies a search filter for the keyword within the logs. Overview . DDNS is configured, but it does not resolve to the correct or valid public IP address. abc Always use the following permalink when referencing this page. Contact your firewall administrator if you need further help. 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. Resolution To resolve Proxy ID mismatch, please try the following: Check the Proxy ID settings on the Palo Alto Networks firewall and the firewall on the other side. New Sophos Support Phone Numbers in Effect July 1st, 2023. ), IKE phase-2 negotiation is failed as initiator, quick mode. As IPsec only, Sophos Connect IPSEC tunnel fails with MR5 unless Use as default gateway is set in Advanced settings. This may be because the strongSwan service crashed while the tunnel was active. Pre MR5, everything was working just fine. 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. We built our IPSEC config pre MR4 and the new Advanced settings area being exposed in the GUI. If the preshared key matches, verify with the ISP or on the upstream devices if they've corrupted the packet. Error on decryption of the exchange\ Information field of the IKE request is malformed or not readable. 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 Allowed users and groups and you can't do it in the GUI (from the VPN area) unless the Advanced settings area is configured. 2020-11-13 04:55:06 17[ENC] could not decrypt payloads, 2020-11-13 04:55:06 17[IKE] message parsing failed, 2020-11-13 04:55:06 17[IKE] ignore malformed INFORMATIONAL request, 2020-11-13 04:55:06 17[IKE] INFORMATIONAL_V1 request with message ID 2070455846 processing failed, 2020-11-13 04:55:06 17[DMN] [GARNER-LOGGING] (child_alert) ALERT: parsing IKE message from 20.36.xxx.xxx[500] failed, 2020-11-13 04:55:10 19[IKE] sending retransmit 1 of request message ID 0, seq 3, 2020-11-13 13:56:39 12[NET] <5> received packet: from 72.138.xxx.xxx[4500] to 10.0.0.4[4500] (124 bytes). Traffic stops flowing after some time. The remote ID has to match the configured ID or phase 1 will not come up, and thus the IPsec VPN wont work. Number of Views 140. Disclaimer: This information is provided as-is for the benefit of the Community. In the instructions posted it doesnt say to switch to that directory first. This could be due to any of the following reasons: If DNS resolution is failing for the gateway, follow these instructions. Contact Sophos Support if the website is not accessible. Make sure the phase 2 settings for encryption and authentication algorithms and DH group match on both firewalls. 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. 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 have issues connecting to your remote network, click the events tab, find the timestamp from when you attempted a connection, and find the relevant error. I also deactivated and reactivated the tunnel to see if that would generate logs and create the file. Update the local and remote ID types and IDs with matching values on both firewalls. Note: Proxy ID for other firewall vendors may be referred to as the Access List or Access Control List (ACL). Cause: The cause is likely to be a preshared key mismatch between the two firewalls. 2020-09-20 00:29:42 22[NET] <10> received packet: from 72.138.xx.xx[4500] to 10.0.0.4[4500] (464 bytes), 2020-09-20 00:29:42 22[ENC] <10> parsed IKE_AUTH request 1 [ IDi IDr AUTH SA TSi TSr N(MULT_AUTH) N(EAP_ONLY) N(MSG_ID_SYN_SUP) ], 2020-09-20 00:29:42 22[CFG] <10> looking for peer configs matching 10.0.0.4[10.0.0.1]72.138.xx.xx[72.138.xx.xx], 2020-09-20 00:29:42 22[CFG] <10> no matching peer config found, 2020-09-20 00:29:42 22[DMN] <10> [GARNER-LOGGING] (child_alert) ALERT: peer authentication failed, 2020-09-20 00:29:42 22[ENC] <10> generating IKE_AUTH response 1 [ N(AUTH_FAILED) ], 2020-09-20 00:29:42 22[NET] <10> sending packet: from 10.0.0.4[4500] to 72.138.xx.xx[4500] (96 bytes), 2020-09-20 00:29:42 22[IKE] <10> IKE_SA (unnamed)[10] state change: CONNECTING => DESTROYING, 2020-09-20 00:29:42 04[NET] sending packet: from 10.0.0.4[4500] to xx.xx[4500], SFVUNL_AI01_SFOS 19.0.1 MR-1-Build365# ipsec statusall. This error applies to SSL VPN connections only. Resolution. The user portal uses a self-signed certificate that can't be verified by the Sophos Connect client. Due to negotiation timeout. To prevent the prompt from showing when the SSL VPN policy is downloading, contact your firewall administrator. XG firewall supports only one profile as of today, if you go down the road with the XG config with split tunneling. 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. 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. 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? We set it up as our standard Split Tunnel config and saved. 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. Multiple different split profiles connect fine. This sends an IKE delete request to all the active SAs on the firewall. The firewall administrator changed the policy on the firewall. Gateway address: The peer gateway address you've entered on the local firewall matches the listening interface in the remote configuration. On Sophos Firewall, import the certificate, and then select it for. 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. 2020-11-13 13:56:39 12[ENC] <5> invalid ID_V1 payload length, decryption failed? https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/index.html?contextId=t_202108101524110523. If you retry multiple times and get the same error, the password may have changed or been disabled on the firewall. If you used a provisioning file to import the connection, update the policy connection settings menu (on the Sophos Connect client). You must download and import a new ovpn file from the Sophos Firewall user portal to successfully re-establish the SSL VPN tunnel. 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. 02-21-2020 If you have issues connecting to your remote network, click the events tab, find the timestamp from when you attempted a connection, and find the relevant error. You can see that the SA (Security Association) isn't shown. Set the phase 2 key life lower than the phase 1 value in both firewalls. Is it on the official roadmap to properly support multiple IPSEC profiles? The output doesn't show the phase 2 SAs. This error applies to IPsec VPN connections only. 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. 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. 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. Sophos Connect automatically downloads the new policy and reestablishes the SSL VPN tunnel. Check the logs on the remote firewall to make sure the mismatch of ID types has resulted in the error. Set the initiator's phase 1 and phase 2 key life values lower than the responder's. In the following topics, you can see error messages, possible causes for the errors, and information on what to do next. As IPsec only can have one profile, it will only have the option to push one profile to the client and allow only one set of networks to connect. To prevent the prompt from showing in the future, contact your firewall administrator. To check the live logs run the following command from Advanced Shell: The less commandallows you to parse through the static log files. __________________________________________________________________________________________________________________. XG firewall supports only one profile as of today, if you go down the road with the XG config with split tunneling. Cause: The remote firewall couldn't authenticate the local request because the ID types don't match. Now our second IPSEC configured clients can't connected with aInvalid Phase 2 ID proposal message. New here? The firewall administrator manually deleted all of the IPsec connections for this user on the firewall. That worked for me. In the following topics, you can see error messages, possible causes for the errors, and information on what to do next. Check if a DNS server is assigned to the network interface. The client isn't able to resolve the gateway hostname. Check if the website is accessible using the None web filter policy. This issue may occur if the IKE version mismatch with the configured policy of the firewalls, Problem #3 -ALERT: peer authentication failed, Check the configured remote and local connection ID. Turn off the TAP adapter then turn it on. 2020-09-20 00:25:13 05[DMN] [GARNER-LOGGING] (child_alert) ALERT: the received traffic selectors did not match: 172.16.19.0/24 === 10.0.1.0/24 << Local and remote network did not match. The message no matching peer config found indicated that the connection ID wasnt configured to match on both sites. The most common phase-2 failure is due to Proxy ID mismatch. A connection with the same name has already been imported. Override hostname is configured, but it does not resolve to a valid or correct public IP address. I don't see any specific reference in the documentation saying only a single profile is supported. Sophos Firewall requires membership for participation - click to join. Push the default CA certificate from Sophos Firewall to the trusted store on the remote computers. 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 Sophos Connect policy isn't defined or activated on the firewall. The strongSwan service isn't running (service name: charon-svc.exe). If the connection was added using a provisioning file, verify the hostname provided. Phase 1 succeeds, but Phase 2 negotiation fails. This error applies to IPsec VPN connections only. The firewall administrator may have changed it on the firewall, and the new configuration file hasn't been uploaded to Sophos Connect. message ID = 1546246116 *Jan 11 2016 03:47:03.535 UTC: ISAKMP: (1003): processing SA payload. 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. They must choose one of the options below: You canceled the certificate warning prompt, and the connection was terminated. Make sure the preshared key matches in the VPN configuration on both firewalls. The WAN address on the remote gateway isn't connected directly to the internet. Enter the following command: ip xfrm state. An SSL VPN policy is downloaded for the first time from Sophos Firewall and the SSL VPN tunnel is established with it. This issue may occur if the networks being negotiated on either end of the tunnels dont match on both ends. 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. !crypto ipsec transform-set T-TRANSFORM esp-aes esp-sha-hmacmode tunnel!crypto ipsec profile T-PROFILEset transform-set T-TRANSFORMset pfs group5!

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