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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. 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. The firewall administrator manually deleted all of the IPsec connections for this user on the firewall. This error is due to an invalid hostname. Make sure the VPN configuration on both firewalls has the same settings for the following: Phase 1: Encryption, authentication, and DH group. A site-to-site IPSec VPN between a Palo Alto Networks firewall and a firewall from a different vendor is configured. 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. 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. 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. I don't see any specific reference in the documentation saying only a single profile is supported. 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. 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. The information below only applies if your firewall administrator configured a provisioning (.pro) file. 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. Overview . A look at the ikemgr.log with the CLI command: ( description contains 'IKE protocol notification message received: INVALID-ID-INFORMATION (18).' Number of Views 140. Is it on the official roadmap to properly support multiple IPSEC profiles? The most common phase-2 failure is due to Proxy ID mismatch. IPsec authentication fails during phase 1 setup. This seems like an artificial limitation so you can have functionality in version 2.1 of the client to push profile updates. 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. 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. That worked for me. The strongSwan service isn't running (service name: charon-svc.exe). Verify the Preshared Key on both firewalls to resolve this issue. On Sophos Firewall, import the certificate then select it for. XG firewall supports only one profile as of today, if you go down the road with the XG config with split tunneling. 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. See the following image: Enter the following command: ip xfrm policy. XG firewall supports only one profile as of today, if you go down the road with the XG config with split tunneling. Set the phase 2 key life lower than the phase 1 value in both firewalls. Rarely, the ISP or an upstream appliance, such as a router or another firewall, may corrupt the packet. 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. In this case, contact your firewall administrator. Traffic stops flowing after some time. As IPsec only, Sophos Connect IPSEC tunnel fails with MR5 unless Use as default gateway is set in Advanced settings. The output shows that IPSec SAs have been established. Disclaimer: This information is provided as-is for the benefit of the Community. Did this config work with MR4 and stop working with MR5? Now our second IPSEC configured clients can't connected with aInvalid Phase 2 ID proposal message. DDNS is configured, but it does not resolve to the correct or valid public IP address. Find answers to your questions by entering keywords or phrases in the Search bar above. Turn off the TAP adapter then turn it on. Pricing for Sophos Home Premium is $59.99 (MSRP) for up to 10 PC and Mac devices; pricing may vary based on seasonal promotions All existing Sophos Home Free accounts (that switched to Free before November 11th 2021), worldwide will retain their Sophos Home Free license with all of the existing features, including protection for up to three PC . Cause: The cause is likely to be a preshared key mismatch between the two firewalls. Push the Default CA certificate from Sophos Firewall to the trusted store on the remote computers. After the Phase 2 Security Association (SA) is established, a route can't be added to the remote network. 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 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. During the phase 2 negotiation, the local and remote subnets specified on the firewalls didn't match. An SSL VPN policy is downloaded for the first time from Sophos Firewall and the SSL VPN tunnel is established with it. 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. 1997 - 2023 Sophos Ltd. All rights reserved. The firewall administrator may have changed it on the firewall, and the new configuration file hasn't been uploaded to Sophos Connect. If the provisioning file is configured correctly, contact your firewall administrator to troubleshoot further. To prevent the prompt from showing when the SSL VPN policy is downloading, contact your firewall administrator. If they match, check the remote firewall logs for the cause. 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. The WAN address on the remote gateway isn't connected directly to the internet. Cause: Mismatched phase 1 proposals between the two peers. 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. The Sophos Connect service (scvpn) is not running. This may be because the strongSwan service crashed while the tunnel was active. 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. Contact your firewall administrator if you need further help. The connection was created by importing an ovpn file. The troubleshooting steps below are for Windows only. message ID = 1546246116 *Jan 11 2016 03:47:03.535 UTC: ISAKMP: (1003): processing SA payload. Check the logs on the remote firewall to make sure the mismatch of ID types has resulted in the error. Please contact Sophos Professional Services if you require assistance with your specific environment. The output doesn't show the phase 2 SAs. 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. __________________________________________________________________________________________________________________. Make sure the WAN interface's MTU and MSS settings match the values given by the ISP. Error on decryption of the exchange\ Information field of the IKE request is malformed or not readable. The pre-shared key on the firewall doesn't match the one used for this connection. Strongswan is the service used by Sophos to provide IPSec functionality. 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. Are you in /log partition? It will remain unchanged in future help versions. 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. message ID = 1546246116 If the connection was added using a provisioning file, verify the hostname provided. The connection imported from a provisioning file has a duplicate display name. ), IKE phase-2 negotiation is failed as initiator, quick mode. 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 Number of Views 110. . To put the strongswan service in debugging, type the following command: SFVUNL_AI01_SFOS 19.0.1 MR-1-Build365# service strongswan:debug -ds nosync, Run the following command to check the status of the service, SFVUNL_AI01_SFOS 19.0.1 MR-1-Build365# service -S | grep strongswan. The output shows the transform sets for the VPN exist, that is, the SAs match. I also deactivated and reactivated the tunnel to see if that would generate logs and create the file. If it's an SSL VPN over UDP tunnel, you need to wait for the inactivity timer to delete the tunnel. To prevent the prompt from showing in the future, contact your firewall administrator. This error applies to IPsec VPN connections only. You must download and import a new ovpn file from the Sophos Firewall user portal to successfully re-establish the SSL VPN tunnel. Verify if firewall rules are created to allow VPN traffic. https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/index.html?contextId=t_202108101524110523. Applies to the following Sophos product(s) and version(s): Sophos Firewall 18.0, 17.5, 17.0 . Check if a DNS server is assigned to the network interface. To prevent key exchange collisions, follow these guidelines: Sophos Firewall only supports time-based rekeying. 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. This could be due to any of the following reasons: Try to reconnect. If the connection was added by importing an Open VPN (. If you used a provisioning file to import the connection, update the policy connection settings menu (on the Sophos Connect client). 2020-11-13 04:55:06 17[ENC] invalid HASH_V1 payload length, decryption failed? If it's an SSL VPN over UDP tunnel, then you have to wait for the inactivity timer to delete the tunnel. Possible reasons for the failure are as follows: Thank you for your feedback. New Sophos Support Phone Numbers in Effect July 1st, 2023. The network adapter (ethernet or Wi-Fi) has no IP address. The most common phase-2 failure is due to Proxy ID mismatch. Sophos Connect automatically downloads the new policy and reestablishes the SSL VPN tunnel. IPsec connection is established between a Sophos Firewall device and a third-party firewall. If you experience any issues that aren't listed, see General troubleshooting. A connection with the same name has already been imported. 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, Phase 1 is up\ Remote peer reports INVALID_ID_INFORMATION, Enter the following command: ipsec statusall. If all the settings match, the remote firewall administrator must check the configuration at their end since the remote firewall has refused the connection. The client isn't able to resolve the gateway hostname. abc Make sure the preshared key matches in the VPN configuration on both firewalls. In the following topics, you can see error messages, possible causes for the errors, and information on what to do next. 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. If you need further assistance, contact Sophos Support. The possible causes are as follows: The remote gateway responded to IKE negotiations from Sophos Connect with this error notification. For example, the remote firewall expects 192.168.0.0/24, but the local firewall tries to negotiate using 192.168.1.0/24. Allowed users and groups and you can't do it in the GUI (from the VPN area) unless the Advanced settings area is configured. Sophos XG Firewall: Mails failed to deliver due to retry time not reached for any . 2020-11-13 13:56:39 12[ENC] <5> invalid ID_V1 payload length, decryption failed? Verify the network objects on either end match exactly down to the correct subnets and even individual addresses. In the following topics, you can see error messages, possible causes for the errors, and information on what to do next. We built our IPSEC config pre MR4 and the new Advanced settings area being exposed in the GUI. The connection was created using a provisioning file. Help us improve this page by. The firewall or the router is blocking UDP ports 500 and 4500. You could filter logs with the tunnel name if there are multiple IPsec tunnels. This sends an IKE delete request to all the active SAs on the firewall. New here? 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. 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. They must choose one of the options below: The SSL VPN policy is misconfigured on Sophos Firewall. Run the following command to check the current directory. This issue may occur if the networks being negotiated on either end of the tunnels dont match on both ends. This is possibly an MR4+ issue but we encountered this after upgrading to MR 5. 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. Open the command prompt as an administrator and enter the following command: net start strongswan. Make sure the configured subnets match on both firewalls. Now our second IPSEC configured clients can't connected with a Invalid Phase 2 ID proposal message. Accept the security warning to connect and download the SSL VPN policy from Sophos Firewall. Contact Sophos Support if the website is not accessible. If you can't reconnect, contact your firewall administrator to troubleshoot further. You can also match keywords within the logs by entering. Resolution. Always use the following permalink when referencing this page. Open the command prompt as an administrator and type the following command: net start scvpn. 02-21-2020 Note: Proxy ID for other firewall vendors may be referred to as the Access List or Access Control List (ACL). - edited They must choose one of the options below: You canceled the certificate warning prompt, and the connection was terminated.

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