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Site to site VPN authentication failure

MarkThornton

I am having problems recently with site-to-site vpns between my central XG firewall and two remote SG firewalls. Recently one of the vpns would no longer connect and appears to be an authentication error but I can't figure out what is wrong.

Fullscreen st12log.txt Download 
2023:02:08-17:25:52 station12 pluto[29707]: forgetting secrets
2023:02:08-17:25:52 station12 pluto[29707]: loading secrets from "/etc/ipsec.secrets"
2023:02:08-17:25:52 station12 pluto[29707]: loaded PSK secret for ST12 ST11
2023:02:08-17:25:52 station12 pluto[29707]: listening for IKE messages
2023:02:08-17:25:52 station12 pluto[29707]: forgetting secrets
2023:02:08-17:25:52 station12 pluto[29707]: loading secrets from "/etc/ipsec.secrets"
2023:02:08-17:25:52 station12 pluto[29707]: loaded PSK secret for ST12 ST11
2023:02:08-17:25:52 station12 pluto[29707]: loading ca certificates from '/etc/ipsec.d/cacerts'
2023:02:08-17:25:52 station12 pluto[29707]: loaded ca certificate from '/etc/ipsec.d/cacerts/VPN Signing CA.pem'
2023:02:08-17:25:52 station12 pluto[29707]: loading aa certificates from '/etc/ipsec.d/aacerts'
2023:02:08-17:25:52 station12 pluto[29707]: loading ocsp certificates from '/etc/ipsec.d/ocspcerts'
2023:02:08-17:25:52 station12 pluto[29707]: loading attribute certificates from '/etc/ipsec.d/acerts'
2023:02:08-17:25:52 station12 pluto[29707]: Changing to directory '/etc/ipsec.d/crls'
2023:02:08-17:25:52 station12 pluto[29707]: "S_Station 11": deleting connection
2023:02:08-17:25:52 station12 pluto[29707]: "S_Station 11" #6: deleting state (STATE_MAIN_I3)
2023:02:08-17:25:52 station12 pluto[29707]: added connection description "S_Station 11"
2023:02:08-17:25:52 station12 pluto[29707]: "S_Station 11" #7: initiating Main Mode
2023:02:08-17:25:52 station12 pluto[29707]: "S_Station 11" #7: received Vendor ID payload [XAUTH]
2023:02:08-17:25:52 station12 pluto[29707]: "S_Station 11" #7: received Vendor ID payload [Dead Peer Detection]
2023:02:08-17:25:52 station12 pluto[29707]: "S_Station 11" #7: ignoring Vendor ID payload [Cisco-Unity]
2023:02:08-17:25:52 station12 pluto[29707]: "S_Station 11" #7: received Vendor ID payload [RFC 3947]
2023:02:08-17:25:52 station12 pluto[29707]: "S_Station 11" #7: enabling possible NAT-traversal with method 3
2023:02:08-17:25:53 station12 pluto[29707]: "S_Station 11" #7: NAT-Traversal: Result using RFC 3947: i am NATed
2023:02:08-17:25:53 station12 pluto[29707]: "S_Station 11" #7: next payload type of ISAKMP Hash Payload has an unknown value: 118
2023:02:08-17:25:53 station12 pluto[29707]: "S_Station 11" #7: malformed payload in packet
2023:02:08-17:26:03 station12 pluto[29707]: "S_Station 11" #7: next payload type of ISAKMP Hash Payload has an unknown value: 72
2023:02:08-17:26:03 station12 pluto[29707]: "S_Station 11" #7: malformed payload in packet
2023:02:08-17:26:23 station12 pluto[29707]: "S_Station 11" #7: next payload type of ISAKMP Hash Payload has an unknown value: 201
2023:02:08-17:26:23 station12 pluto[29707]: "S_Station 11" #7: malformed payload in packet
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #7: max number of retransmissions (2) reached STATE_MAIN_I3. Possible authentication failure: no acceptable response to our first encrypted message
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #7: starting keying attempt 2 of an unlimited number
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: initiating Main Mode to replace #7
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: received Vendor ID payload [XAUTH]
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: received Vendor ID payload [Dead Peer Detection]
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: ignoring Vendor ID payload [Cisco-Unity]
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: received Vendor ID payload [RFC 3947]
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: enabling possible NAT-traversal with method 3
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: NAT-Traversal: Result using RFC 3947: i am NATed
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: next payload type of ISAKMP Hash Payload has an unknown value: 41
2023:02:08-17:27:03 station12 pluto[29707]: "S_Station 11" #8: malformed payload in packet
2023:02:08-17:27:13 station12 pluto[29707]: "S_Station 11" #8: next payload type of ISAKMP Hash Payload has an unknown value: 177
2023:02:08-17:27:13 station12 pluto[29707]: "S_Station 11" #8: malformed payload in packet
2023:02:08-17:27:33 station12 pluto[29707]: "S_Station 11" #8: byte 2 of ISAKMP Hash Payload must be zero, but is not
2023:02:08-17:27:33 station12 pluto[29707]: "S_Station 11" #8: malformed payload in packet
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #8: max number of retransmissions (2) reached STATE_MAIN_I3. Possible authentication failure: no acceptable response to our first encrypted message
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #8: starting keying attempt 3 of an unlimited number
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: initiating Main Mode to replace #8
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: received Vendor ID payload [XAUTH]
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: received Vendor ID payload [Dead Peer Detection]
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: ignoring Vendor ID payload [Cisco-Unity]
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: received Vendor ID payload [RFC 3947]
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: enabling possible NAT-traversal with method 3
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: NAT-Traversal: Result using RFC 3947: i am NATed
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: next payload type of ISAKMP Hash Payload has an unknown value: 206
2023:02:08-17:28:13 station12 pluto[29707]: "S_Station 11" #9: malformed payload in packet
2023:02:08-17:28:23 station12 pluto[29707]: "S_Station 11" #9: next payload type of ISAKMP Hash Payload has an unknown value: 113
2023:02:08-17:28:23 station12 pluto[29707]: "S_Station 11" #9: malformed payload in packet
2023:02:08-17:28:44 station12 pluto[29707]: "S_Station 11" #9: next payload type of ISAKMP Hash Payload has an unknown value: 192
2023:02:08-17:28:44 station12 pluto[29707]: "S_Station 11" #9: malformed payload in packet

Fullscreen st11log.txt Download 
Time,Log comp,Status,Username,Message,Message ID,
2023-02-08 17:42:47,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:42:41,IPSec ,Deny,,Received IKE message with invalid SPI (BD445EB9) from the remote gateway.,18050,
2023-02-08 17:42:27,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:42:21,IPSec ,Deny,,Received IKE message with invalid SPI (BD445EB9) from the remote gateway.,18050,
2023-02-08 17:42:17,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:42:17,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:41:37,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:41:31,IPSec ,Deny,,Received IKE message with invalid SPI (3D3D5AB7) from the remote gateway.,18050,
2023-02-08 17:41:18,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:41:11,IPSec ,Deny,,Received IKE message with invalid SPI (3D3D5AB7) from the remote gateway.,18050,
2023-02-08 17:41:07,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:41:07,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:40:27,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:40:22,IPSec ,Deny,,Received IKE message with invalid SPI (B4666841) from the remote gateway.,18050,
2023-02-08 17:40:07,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:40:02,IPSec ,Deny,,Received IKE message with invalid SPI (B4666841) from the remote gateway.,18050,
2023-02-08 17:39:57,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:39:57,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:39:17,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:39:11,IPSec ,Deny,,Received IKE message with invalid SPI (524AD7A3) from the remote gateway.,18050,
2023-02-08 17:38:57,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:38:51,IPSec ,Deny,,Received IKE message with invalid SPI (524AD7A3) from the remote gateway.,18050,
2023-02-08 17:38:47,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:38:45,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:38:06,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:38:01,IPSec ,Deny,,Received IKE message with invalid SPI (FE2F2BFE) from the remote gateway.,18050,
2023-02-08 17:37:46,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:37:41,IPSec ,Deny,,Received IKE message with invalid SPI (FE2F2BFE) from the remote gateway.,18050,
2023-02-08 17:37:36,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:37:35,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:36:55,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:36:51,IPSec ,Deny,,Received IKE message with invalid SPI (4940F2DA) from the remote gateway.,18050,
2023-02-08 17:36:35,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:36:31,IPSec ,Deny,,Received IKE message with invalid SPI (4940F2DA) from the remote gateway.,18050,
2023-02-08 17:36:25,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:36:25,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:35:45,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:35:41,IPSec ,Deny,,Received IKE message with invalid SPI (AA757A2) from the remote gateway.,18050,
2023-02-08 17:35:25,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:35:21,IPSec ,Deny,,Received IKE message with invalid SPI (AA757A2) from the remote gateway.,18050,
2023-02-08 17:35:15,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:35:15,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:34:35,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:34:31,IPSec ,Deny,,Received IKE message with invalid SPI (BA198E2B) from the remote gateway.,18050,
2023-02-08 17:34:15,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:34:11,IPSec ,Deny,,Received IKE message with invalid SPI (BA198E2B) from the remote gateway.,18050,
2023-02-08 17:34:05,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:34:05,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:33:25,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:33:21,IPSec ,Deny,,Received IKE message with invalid SPI (201C9EC6) from the remote gateway.,18050,
2023-02-08 17:33:05,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:33:01,IPSec ,Deny,,Received IKE message with invalid SPI (201C9EC6) from the remote gateway.,18050,
2023-02-08 17:32:55,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:32:54,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:32:15,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:32:10,IPSec ,Deny,,Received IKE message with invalid SPI (4AD746FB) from the remote gateway.,18050,
2023-02-08 17:31:55,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:31:50,IPSec ,Deny,,Received IKE message with invalid SPI (4AD746FB) from the remote gateway.,18050,
2023-02-08 17:31:45,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:31:44,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:31:04,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:31:00,IPSec ,Deny,,Received IKE message with invalid SPI (10D36535) from the remote gateway.,18050,
2023-02-08 17:30:44,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:30:40,IPSec ,Deny,,Received IKE message with invalid SPI (10D36535) from the remote gateway.,18050,
2023-02-08 17:30:34,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:30:34,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:29:54,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:29:50,IPSec ,Deny,,Received IKE message with invalid SPI (FBD620F7) from the remote gateway.,18050,
2023-02-08 17:29:34,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:29:30,IPSec ,Deny,,Received IKE message with invalid SPI (FBD620F7) from the remote gateway.,18050,
2023-02-08 17:29:24,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:29:23,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:28:44,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:28:39,IPSec ,Deny,,Received IKE message with invalid SPI (D9A4C31D) from the remote gateway.,18050,
2023-02-08 17:28:23,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:28:19,IPSec ,Deny,,Received IKE message with invalid SPI (D9A4C31D) from the remote gateway.,18050,
2023-02-08 17:28:13,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:28:13,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:27:33,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:27:29,IPSec ,Deny,,Received IKE message with invalid SPI (954EFC80) from the remote gateway.,18050,
2023-02-08 17:27:13,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:27:09,IPSec ,Deny,,Received IKE message with invalid SPI (954EFC80) from the remote gateway.,18050,
2023-02-08 17:27:03,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:27:02,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:26:59,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:26:23,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:26:19,IPSec ,Deny,,Received IKE message with invalid SPI (B7C9E151) from the remote gateway.,18050,
2023-02-08 17:26:03,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:25:58,IPSec ,Deny,,Received IKE message with invalid SPI (B7C9E151) from the remote gateway.,18050,
2023-02-08 17:25:53,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:25:49,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:25:49,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:25:09,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:25:08,IPSec ,Deny,,Received IKE message with invalid SPI (762C9352) from the remote gateway.,18050,
2023-02-08 17:24:53,IPSec ,Expire,,Couldn't establish IKE SA: Timed out. Remote gateway aborted the IKE exchange or the message was lost. Check the remote device logs.,18057,
2023-02-08 17:24:49,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:24:47,IPSec ,Deny,,Received IKE message with invalid SPI (762C9352) from the remote gateway.,18050,
2023-02-08 17:24:39,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:24:13,IPSec ,Failed,,Couldn't parse IKE message from 174.246.200.160[13988]. Check the debug logs.,18052,
2023-02-08 17:23:57,IPSec ,Deny,,Received IKE message with invalid SPI (3D52B279) from the remote gateway.,18050,



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Parents Reply
  • 0 in reply to Bharat J

    I appreciate the link and will study it for better understanding of the process. I resolved my problem by replacing the UTM's with new XGS models. Even then I struggled getting a reliable connection. I started by using the DefaultBranchOffice and DefaultHeadOffice profiles, then tried some custom profiles based on examples provided by Sophos. Nothing worked, nor provided me with much guidance on what was wrong. All of the profiles I was working with used IKEv1. At some point I noticed the Branch office (IKEv2) and Head office (IKEv2) profiles and gave them a whirl and the VPN immediately connected. I now have both branch offices connected through VPN's for longer than ever before. I don't know what changed but I am happy right now.

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