invalid spi fortigate

enc: spi=88081883 esp=3des key=24 e862a4412b8fe4f9e08b6bb01c362f129ffd8b3c71910a70 *' 03:57 PM, Created on When I try to ping to another network, the problem arise whenever there is packet go thru. set action accept As well, the SPI itself is visible when examining the ESP packet in a tool like Wireshark: With that in mind, an administrator could run a packet capture on the FortiGate interface receiving these unknown SPIs, then compare against the current IPsec tunnel list to confirm if the Source/Destination IP addresses and the observed SPIs are correct or not. Leave Quick Mode Selector blank. However, if I want to connect the Linux from the Fortigate (put the link up on Fortigate, or I should say auto=start from the Fortigate), IPSec SA Phase I is established but not Phase II. Pozn. Phase I: Both should match. What you need todo is monitor the keylife and when the SA re-neg a new SPI seen if fortinet and OpenSwan matches ( ipsec status and ipsec spi ) Copyright 2022 Fortinet, Inc. All Rights Reserved. Jason. set logtraffic all I changed my WAN connections: WAN1 to WAN2, and in order make my VPNs work I had to change my policies as well as my VPNs P1 external interfaces. This topic has been locked by an administrator and is no longer open for commenting. The SPI (Security Parameter Index) is used to identify the SA (Security Association) of the packet - which contains the information needed to handle the encrypted traffic. authby=secret " Received ESP packet with unknown SPI." The License Information table shows the status of your FortiGate's support contract. First of all, Administrators may also see the following when running IKE debugs (diag debug app ike -1) while these logs are occurring: The Security Parameter Index (SPI) is a value that is sent with every ESP packet, and is used as a means of matching incoming ESP packets to the correct IPsec tunnel on the VPN endpoint. * npu_lgwy=0.0.0.0 npu_selid=c, dec:pkts/bytes=0/0, enc:pkts/bytes=0/0 *:0 lgwy=dyn tun=tunnel mode=auto bound_if=1118 FortiGate sends an invalid configuration to FortiManager, which causes the FortiManager policy packages to have an unknown status. set srcaddr "Pats Fortigate 60" Tick: Autokey Keep Alive Notably, these keys are the same on both VPN endpoints, but are flipped in terms of their usage (i.e. Compatibility This integration has been tested against FortiOS version 6.0.x and 6.2.x. here is the 60c Setup and 100D setup The Main fortigate is also behind NAT (Yay Azure) It can take some time when the IP adress is changed before a VPN is established. pfs=yes Internet Security Association and Key Management Protocol. After checking my P2 settings (they were the same on both peers), I just rebooted both units and everything went fine. The SPI (Security Parameter Index) is used to identify the SA (Security Association) of the packet - which contains the information needed to handle the encrypted traffic. IPsec server with NP offloading drops packets with an invalid SPI during rekey. nat_traversal=no protostack=netkey The SPI number can be checked on the firewall with the following command: show vpn ipsec-sa . AI-POWERED SECURITY Protect your branch, campus, co-location, data center & cloud with features that scale to any environment DEEP VISIBILITY 11:46 AM, Created on Hey guys, I changed my WAN connections: WAN1 to WAN2, and in order make my VPNs work I had to change my policies as well as my VPNs P1 external interfaces. 2.999971 175.*.*. Also from the SPI value from Wireshark: 07-22-2013 seems to default to 0 always? That error normally means that something is trying to connect to the MX's VPN service - but that there is something invalid in the negotiation. I've had off and on issues with IPSec tunnels using DDNS on Fortigates. 02-21-2020 FortiGate IPSec Phase 1 parameters. Is there anything I' m missing? virtual_private=%v4:192.168.0.0/16 When an IPsec VPN tunnel is up, but traffic is not able to pass through the tunnel, Wireshark (or an equivalent program) can be used to determine whether there is an encryption mismatch. name=Jason ver=1 serial=2 0.0.0.0:0->175.*.*. Resetting the configuration. Jason. The meaning of the message is that one side of the IPSEC tunnel received a packet with an invalid SPI. dec: spi=e30e8225 esp=3des key=24 64105d34883f8e02d8b480c44d9725c4f2113fb01cc9bd81 And compare SPIs from the two devices. 01:50 PM. Phase 1 parameters. I' ve found this inside Fortinet' s KB: Traffic cannot be sent out through IPsec VPN tunnel because SA is pushed to the wrong NP6 for platforms where NP6 is standalone. dst: 0:192.168.0.0/255.255.255.0:0 07-17-2013 FortiGate blocks expired root CA, even if the cross-signed intermediate CA of the root CA is valid. set proposal 3des-sha1 Regards, The FortiGate must be connected to the Internet in order to automatically connect to the FortiGuard Distribution Network (FDN) to validate the license and download FDN updates. The SPI number should remain stable until a tunnel . src 116.48.149.137 dst 175.45.62.182 The Forums are a place to find answers on a range of Fortinet products from peers and product experts. Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: ignoring informational payload, type IPSEC_INITIAL_CONTACT msgid=00000000 The ESP packet invalid error is due to an encryption key mismatch after a VPN tunnel has been established. 740475. FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic. proxyid_num=1 child_num=0 refcnt=7 ilast=344 olast=344 I was messing around with the encryption and hashing, when the tunnel fell over. there must be an issue using 5.0.2 against 5.2.2. traffic enters but does not leave. The following are some examples of how this might occur: - The VPN gateway or client performs a re-key for this IPsec tunnel (as defined in the VPN Phase 2 settings), and the other endpoint fails to synchronize with this change for some reason. First thing first, why in my tunnel (the upper tunnel is for another office), there is a 0.0.0.0 IP point to my 175.*.*. rightsubnet=192.168.20.0/24 FGT and Openswan? Also the tunnel will go up and down for newer firmware. dst: 0:0.0.0.0/0.0.0.0:0 Find answers to your questions by entering keywords or phrases in the Search bar above. In addition, you can add the command "crypto isakmp invalid-spi-recovery" to the global configuration of the routes. 07-24-2013 Bonus Flashback: Back on December 9, 2006, the first-ever Swedish astronaut launched to We have some documents stored on our SharePoint site and we have 1 user that when she clicks on an Excel file, it automatically downloads to her Downloads folder. https://kb.fortinet.com/kb/documentLink.do?externalID=FD41601 This line -> set use-public-ip enable sets the DDNS to the public IP adres instead of the WAN1 IP adress 2 [deleted] 3 yr. ago : Popis v lnku vychz z FortiGate FG-300E s FortiOS verz 6.2.7.Kter je nakonfigurovan jako FGCP cluster a vyuv VDOM Partitioning (Virtual clustering). Fortigate 60c to 100D IPSEC VPN up but INVALID SPI Error on lost traffic from 60 Posted by albertkeys on Jan 16th, 2015 at 10:03 AM General Networking here is the 60c Setup and 100D setup Link comes up but no message on 60c except on ping when INVALID SPI appears port 500. phase 2 messages appear on 100D and link up. Pulling lack of hair out!! No Phase II action is logged/seen in both Fortigate and Linux log. 1.999981 175.*.*. Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: responding to Main Mode we have two XG F/W across a WAN working site-2-site VPN flawlessly for about 4 days, out of the blue one end receives the "received IKE message with invalid SPI (C8A9D1D2) from other side" and the VPN goes down. Using DDNS from fortigate. keylife=8h It is no use to set DPD on. 04:29 AM I think my favorite is #5, blocking the mouse sensor - I also like the idea of adding a little picture or note, and it's short and sweet. As a side note, it is not possible to drop incoming ESP packets as an attempt to prevent the 'unknown SPI' log message from being generated. INVALID_SPI Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: transition from state STATE_MAIN_R2 to state STATE_MAIN_R3 -Another situation is when the VPN gateway 'disappears', such as the FortiGate being rebooted, powered off, or the Ethernet link goes down. set schedule "always" To manually force the SAs to sync, issue the "clear crypto isakmp" and "clear crypto sa" commands. Best Regards . type=tunnel These are the VPN parameters: Route-based VPN, that is: numbered tunnel interface and real route entries for the network (s . Link comes up but no message on 60c except on ping when INVALID SPI appears port 500. phase 2 messages appear on 100D and link up. 07-22-2013 Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: STATE_MAIN_R3: sent MR3, ISAKMP SA established {auth=OAKLEY_PRESHARED_KEY cipher=oakley_3des_cbc_192 prf=oakley_sha group=modp1536} tethereal -i eth1 -R esp.spi This error is related to EAP it seems, try the following in the configuration of your tunnel on the FortiGate: config vpn ipsec phase1-interface edit IPSECVPN (this is the name of your tunnel) set eap enable set eap-identity send-request set authusrgrp 'the group your user is in' next end Without doing too much much debug, you can just assume that this is some issue in tunnel params/negotiation, and the 2 ends have then renegotiated the tunnel with new params (what you want). This may help to reduce (but perhaps not necessarily resolve) the number of unknown SPI logs being generated. Troubleshooting invalid ESP packets using Wireshark. thanks so far. If you have a active fortinet service plan you can use that to have a tech join and he can walk you through your problems and you can visually see how he does it. 09:27 PM. Jul 18 01:16:13 localhost pluto[31358]: " twghnet" #6: ignoring informational payload, type INVALID_SPI msgid=00000000 Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: STATE_MAIN_R1: sent MR1, expecting MI2 - In some scenarios, it's possible that a random host on the Internet is simply sending ESP packets to the FortiGate's public IP, even if a VPN tunnel had not been established between this remote peer and the FortiGate beforehand. Enabling FEC causes BGP neighbors to disconnect after a while. . set inbound enable The following sections are covered: IPsec VPN Log dissecting Example problems Product and Environment Sophos Firewall IPsec VPN and Also the tunnel will go up and down for newer firmware. FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic. Use the following FortiGate CLI commands toproduce live debugs when a re-key occurs: As mentioned above, theactual SPI values for each tunnel are displayed using the diag vpn tunnel list command on the FortiGate. [Linux (Openswan)]# ip xfrm state If you are using manual keys to establish a tunnel, the Remote SPI setting on the FortiGate unit must be identical to the Local SPI setting on the remote peer . * -> 116.48.*. Hey guys, Of course I made the same setting in Fortigate. clientendpoint dataset: supports Fortinet FortiClient Endpoint Security logs. The command (diag vpn tunnel show) is not working, Created on 1st what' s your config looking like? On some FortiGate units, such as the FortiGate 94D, you cannot ping over the IPsec tunnel without first setting a source-IP. Welcome to the Snap! I would hardcode theopenswan to match the FGT for keylife and ikekeylife or identify what OpenSwan is running for that version and match the FGT. Fortinet Community; Fortinet Forum; IPSec Phase1 Error; Options. Jul 17 23:03:33 localhost pluto[31358]: " twghnet" #5: transition from state STATE_MAIN_I3 to state STATE_MAIN_I4 Phase 1 parameters. set psksecret ENC bxxx Wireshark (tethereal) The ESP packet invalid error is due to an encryption key mismatch after a VPN tunnel has been established. . set dst-subnet 192.168.2.0 255.255.255.0 Fortigate Log Screenshot: Hi all, Resolution Check the AWS Virtual Private Network (AWS VPN) configuration to confirm that it: Meets all customer gateway requirements. I have a simple network of a few Cisco routers. Jul 18 00:41:47 localhost pluto[31358]: " twghnet" #5: DPD: received old or duplicate R_U_THERE esp=3des-sha1 3) SetDead Peer Detection to either On Idle orOn Demand. ikelifetime=2h In this case, it tries to establish a new IKE session with the peer and sends a DELETE notification over the newly created IKE SA. an encryption key on one side is the decryption key for the other, and vice-versa). proxyid_num=1 child_num=0 refcnt=8 ilast=1 olast=1 This link may help provide some back and hopefully a resolution. This will make the routers notify one another when receiving this error - which should start the syncing process automatically. If you need I can also provide configuration screenshot of the Fortigate configuration on VPN and Policy. Have you tried the Tunnels using their Public IPs on each side instead of DDNS? What do you mean QM blank? Inside the Fortigate web control center there is a icon that links directly to the Fortigate help desk. please ask if anything else needed? 07-16-2013 ====== The following Community KB article discusses why it is not possible to drop ESP packets using local-in policies, and why an administrator should expect to see the 'unknown SPI' message in the event that such a packet is received by the FortiGate:Technical Tip: Difference in ESP and IKE packet handling of local-in policies. nhelpers=0 proxyid=TestJason proto=0 sa=1 ref=2 auto_negotiate=0 serial=12 This article describes a common VPN Event log seen on the FortiGate that states 'Received ESP packet with unknown SPI'. To continue this discussion, please ask a new question. dst: 0:192.168.0.0/255.255.255.0:0 For example, increasing the keylife will result in a lower frequency of rekey events, which in-turn means fewer new SPIs are being generated. 02:25 PM, Created on Thanks! next enc cbc(des3_ede) 0x64105d34883f8e02d8b480c44d9725c4f2113fb01cc9bd81 Complete the steps in order to get the chance to win. next, edit 27 Your fgt side is set for 2hrs nd iirc the keylife on openswan is like 1hour, but I ' m not 100% sure. Uses the appropriate lifetime in seconds for IKE (phase1) for your IKE version. oe=off dec: spi=e30e81f4 esp=3des key=24 2f2005f432d5808a7a769ef4ab75357f6b129e3f086dcef3 Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #5: received Delete SA payload: deleting ISAKMP State #5 This chapter provides detailed step-by-step procedures for configuring a FortiGate unit to accept a connection from a remote peer or dialup client. The SPI is provided to map the incoming packet to an SA at the destination. I don' t know which one solve my case but anyway, it is solved.. =) Enter to win a Legrand AV Socks or Choice of LEGO sets. When an IPSec VPN tunnel is up, but traffic is not able to pass through the tunnel, Wireshark (or an equivalent program) can be used to determine whether there is an encryption mismatch. Yeah that was the diag command output I wanted ; FWF60C3G12008615 # diag vpn tunnel list 2 Nysyr 2 yr. ago 04-17-2007 A prv VDOM Partitioning se nakonec ukzal jako dvod problmu s IPsec Rekey.. set dstaddr "Local LAN" So how invalid it could be.. LOL..! Enabling Dead Peer Detection (DPD) on both ends of the VPN can help in scenarios where one of the VPN endpoints temporarily 'disappears'. Created on * -> 116.48.*. * is the main Fortigate). If a remote VPN peer is unaware of this disruption, then it may continue to send encrypted IPsec traffic to the FortiGate. Error Description: The tunnel can't be established and the following error is recorded in the event logs in the Dashboard " msg: failed to pre-process ph2 packet (side: 1, status: 1), msg: failed to get sainfo. * -> 116.48.*. Subscribe to RSS Feed; . 07-18-2013 If this occurs, the FortiGate will receive these packets, not recognize the SPI associated with them, and subsequently drop the packets as 'unknown SPI'. Once again, thanks for your reply! 12:00 AM Make sure your Phase 1 and Phase 2 configs match - EXACTLY - also try turning off NAT-T in the FortiNet device if you can 1 level 2 [deleted] edit 28 02:37 PM, Created on Regards, Packet capture. Both Fortigates use different ISPs. in /var/log/secure DPD works by sending ISAKMP/IKE keepalives via UDP/500 (or UDP/4500 with NAT-Traversal in-use), and in the event that the keepalives fail, the VPN tunnel is restarted (which can help to re-synchronize the SPIs and Security Associations between both VPN endpoints). Created on " Error Solution: This can result from mismatched subnets in the IPsec tunnel definitions, typically a mismatched subnet mask. set remotegw-ddns "xxxxxx.fortiddns.com" SPI is arbitrary 32-bit value that is used by a receiver to identify the SA to which an incoming packet should be bound. proxyid=TestJason proto=0 sa=1 ref=2 auto_negotiate=0 serial=12 04-17-2007 Of course remember to set those Firewall Policy, as in the Fortigate Manual what do remote/local ports do? Invalid SPI when communicating with Openswan, Hi all, ah=sha1 key=20 eee8b5f7917d1e6093782d5fa55479b8917f73d3 Here is more findings: enc: spi=810a5863 esp=3des key=24 321584d1f8381dec76d0189aef6f861ee052f0682d6a2dbf rightsourceip=192.168.20.1 * server instead of 116.*.*. It is no use to set DPD on. dpd: mode=active on=1 idle=5000ms retry=3 count=0 seqno=1411736 02-15-2006 Thanks everyone ike=3des-sha1 life: type=01 bytes=0/0 timeout=7153/7200 fwiw: I would 1st disable pfs to make it simple ( on both devices ) and the run some diagnostic and pcap captures from the linux host. dpd: mode=active on=0 idle=5000ms retry=3 count=0 seqno=36393 set service "ALL" # For Red Hat Enterprise Linux and Fedora, leave protostack=netkey Of course I made the same setting in Fortigate. # Enable this if you see " failed to find any available worker" 09-13-2018 Edited on dpd: mode=active on=1 idle=5000ms retry=3 count=0 seqno=55290 proxyid_num=1 child_num=0 refcnt=7 ilast=3 olast=3 This is a pcap interpretation of the first 3 packets of the VPN attempt: SSwan port 500 -> Fortigate port 500. 10:33 AM, Created on This chapter provides detailed step-by-step procedures for configuring a FortiGate unit to accept a connection from a remote peer or dialup client. Use these resources to familiarize yourself with the community: Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. stat: rxp=0 txp=0 rxb=0 txb=0 These SPIs are created when an IPsec tunnel is formed between two endpoints, and also these SPIs are recreated whenever the VPN tunnel Phase 2 Security Associatiations (SAs) are rekeyed, or when the tunnel is restarted. The SPI is the SAME as the Fortigate tunnel dec(decode) SPI! Jul 18 01:16:10 localhost pluto[31358]: " twghnet" #6: received and ignored informational message The Forums are a place to find answers on a range of Fortinet products from peers and product experts. leftsourceip=192.168.0.1 Restoring firmware ("clean install") Appendix A: Port numbers. conn twghnet config setup set schedule "always" src: 0:192.168.10.0/255.255.255.0:0 However, can anyone here tell me what this message means: 714400. In this situation, one VPN endpoint is using a new set of encryption/decryption keys (and thus new SPIs), whereas the other VPN endpoint is still using the old set of keys/SPIs. Have resorted to using dialup. version 2.0 # conforms to second version of ipsec.conf specification The Invalid SPF problem appears right after the connection is established. set keepalive enable leftsubnet=192.168.0.0/24 next. set srcintf "internal_lan" : Dostal jsem nkolik doplnn a informac od certifikovanho Fortinet experta, take jsem je doplnil do lnku. # Debug-logging controls: " none" for (almost) none, " all" for lots. on the local Peer. wow Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: transition from state STATE_MAIN_R0 to state STATE_MAIN_R1 Adjusting the KeyLife value in Phase2 (on both the gateway and client) can be useful for verifying if the unknown SPI problem occurs more or less frequently. Jul 17 23:03:33 localhost pluto[31358]: " twghnet" #5: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_PRESHARED_KEY cipher=oakley_3des_cbc_192 prf=oakley_sha group=modp1536} We have a Windows XP computer (don't ask) with network shares that, as of yesterday, are no longer reachable by other computers on the LAN. Sometimes IPsec SAs can become out of sync between the peer devices. Jason. The Forums are a place to find answers on a range of Fortinet products from peers and product experts. 09:03 AM, Created on 07-16-2013 How to troubleshoot. Uses the appropriate IKE version for your use case (AWS supports both IKEv1 and IKEv2). Next-Gen 1.8 Gbps Speeds: Enjoy smoother and more stable streaming, gaming, downloading and more with WiFi speeds up to 1.8 Gbps (1200 Mbps on 5 GHz band and 574 Mbps on 2.4 GHz band) Connect more devices: Wi-Fi 6 technology communicates more data to more devices simultaneously using revolutionary OFDMA technology Additional Info : ------------------------------------------------------ check in the blogs and forums and all discussions end in "support engineer solved this" but there is no explanation on how. Traffic capture (or IKE debug) shows that the Check Point ClusterXL keeps sending the IKE Phase 2 "Child SA" packets with the SPI from the previous IKE negotiation. set dstaddr "Pats Fortigate 60" "rec'd IPSEC packet has invalid spi" errors in VPN connections, Customers Also Viewed These Support Documents. 1) Go to VPN -> IPSec Tunnels and select the VPN Tunnel to edit. set outbound enable natt: mode=none draft=0 interval=0 remote_port=0 11:19 AM, The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.. 10:24 AM, Created on 07-17-2013 The problem I have now is that my VPN goes up, but it comes down in about 30 secs, renegotiating, and being up again. Log messages. fortimanager dataset: supports Fortinet Manager/Analyzer logs. enc cbc(des3_ede) 0x321584d1f8381dec76d0189aef6f861ee052f0682d6a2dbf src: 0:192.168.10.0/255.255.255.0:0 What does your diag pvn tunnel show ? set action ipsec Phase II: Technical Tip: Difference in ESP and IKE packet handling of local-in policies. For checking specific tunnels by name, use the commanddiagnose vpn tunnel list name : Note that there are two SPIs per IPsec tunnel. ------------------------------------------------------ The Phase 1 parameters identify the remote peer or clients and supports authentication through preshared keys or digital certificates. compress=no The following issues have been identified in version 6.4.8. * => 175.*.*. I get those all the time on devices that are working fine. ESP errors are logged with incorrect SPI value. . Once in a while I'm seeing a "%CRYPTO-4-RECVD_PKT_INV_SPI: decaps: rec'd IPSEC packet has invalid spi" error, even though my VPN connection works well. set srcaddr "Local LAN" firewall dataset: consists of Fortinet FortiGate logs. Does someone have any idea what it could be? Initiator SPI: 15fdb0398dcc1262. Using the sniffer, and decoding the packets is explained in the following Fortinet Knowledge Base article: Troubleshooting Tool: Using the FortiOS built-in packet sniffer. * ESP ESP (SPI=0xe30e81f4) does this have to be enabled both ends. left=175.45.62.182 " Received error notification from peer: INVALID_SPI" on the remote peer Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: transition from state STATE_MAIN_R1 to state STATE_MAIN_R2 src 175.45.62.182 dst 116.48.149.137 You can increase access security further . set service "ALL" https://docs.fortinet.com/document/fortigate/latest/administration-guide/790613/phase-1-configuratio Troubleshooting Tool: Using the FortiOS built-in packet sniffer, The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.. Jul 18 00:41:42 localhost pluto[31358]: " twghnet" #5: DPD: received old or duplicate R_U_THERE When the link or unit comes back up, the FortiGate will have deleted any previously existing IPSec tunnels. replay-window 32 flag 20 This article describes the steps to troubleshoot and explains how to fix the most common IPSec issues that can be encountered while using the Sophos Firewall IPSec VPN (site-to-site) feature. * ESP ESP (SPI=0xe30e81f4) Hi emnoc, * ESP ESP (SPI=0xe30e8225) edit "HotelToPats_P2" here is the diag vpn tunnel list instead. Your daily dose of tech news, in brief. Fortinet Community Knowledge Base FortiGate Technical Tip: Explanation of 'Unknown SPI' messag. 07-15-2013 auth hmac(sha1) 0x0a429b93bc3e2aaed786588b746de3a79d41f113 Anti Virus Application Control DNS Filter Endpoint Control Explicit Proxy Firewall FortiView GUI HA Hyperscale Intrusion Prevention IPsec VPN Log & Report Proxy REST API Routing Security Fabric 10.303062 175.*.*. Computers can ping it but cannot connect to it. 09:36 AM, Created on leftnexthop=175.45.62.181 Note: For PFS, it is the same if it is on or off. * ESP ESP (SPI=0xe30e81f4) # klipsdebug=none list all ipsec tunnel in vd 0 Flashback: Back on December 9, 1906, Computer Pioneer Grace Hopper Born (Read more HERE.) right=219.76.177.121 I receiving the log "INVALID-SPI" and after this Received ESP packet with unknown SPI. To view FDN support contract information, go to System > FortiGuard. Traffic capture (or IKE debug) shows that when the 3rd party VPN peer sends the IKE "Child SA" packet, the Check Point ClusterXL responds with the "Invalid SPI" packet. Can you post a copy of your vpn phase2-interface cli cmds.? * -> 116.*.*. stat: rxp=0 txp=0 rxb=0 txb=0 if you use more than 1 authentecation then ipsec fails automatically from 60d! set src-subnet 10.0.0.0 255.255.255.0 http://kc.forticare.com/default.asp?id=1654&SID=&Lang=1 Diff. natt: mode=none draft=0 interval=0 remote_port=0 disablearrivalcheck=yes Affected models: FG-2000E . proxyid=KongWahtoLongPing proto=0 sa=0 ref=1 auto_negotiate=0 serial=1 set logtraffic all replay-window 32 flag 20 # plutodebug=" control parsing" Jul 18 01:16:10 localhost pluto[31358]: " twghnet" #6: ignoring informational payload, type INVALID_SPI msgid=00000000 I' ve checked my event log and i found this: 12:45 PM, Created on set srcintf "wan1" * -> 116.48.*. - edited name=Jason ver=1 serial=2 0.0.0.0:0->175.*.*. Solutions by issue type. I' ve checked my event log and i found this: INVALID_SPI " Received . ah=sha1 key=20 153b47eb5b860f2749ac72d3b5b2bfb21ce7461c src: 0:0.0.0.0/0.0.0.0:0 natt: mode=none draft=0 interval=0 remote_port=0 NVM guys, Does Anyone know what this is about? Was there a Microsoft update that caused the issue? Jul 18 01:16:13 localhost pluto[31358]: " twghnet" #6: received and ignored informational message The following are examples of what an administrator may see when reviewing VPN Event Logs: date=2022-09-08 time=16:29:21 eventtime=1662679761670200983 tz='-0700' logid='0101037131' type='event' subtype='vpn' level='error' vd='root' logdesc='IPsec ESP' msg='IPsec ESP' action='error' remip=x.x.x.175 locip=x.x.x.242 remport=500 locport=500 outintf='port1' cookies='N/A' user='N/A' group='N/A' useralt='N/A' xauthuser='N/A' xauthgroup='N/A' assignip=N/A vpntunnel='BC_Tun' status='esp_error' error_num='Received ESP packet with unknown SPI.' New here? Pozn. conn %default This is my setup for this tutorial: (Yes, public IPv4 addresses behind the Forti.) fortimail dataset: supports Fortinet FortiMail logs. I am using a Fortinet FortiWiFi FWF-61E with FortiOS v6.2.5 build1142 (GA) and a Cisco ASA 5515 with version 9.12 (3)12 and ASDM 7.14 (1). npu_flag=00 npu_rgwy=175.*.*. 721733. . # basic configuration life: type=01 bytes=0/0 timeout=7150/7200 name=LOffice ver=1 serial=1 116.*.*.*:0->*.*.*. Thanks. ah=sha1 key=20 0a429b93bc3e2aaed786588b746de3a79d41f113 09-09-2022 * (which 116.*.*. rightnexthop=%defaultroute trying to figure routing and remote port setup. 03:07 PM, Created on And more so on the ipsec SPIs? FortiGate NGFW is the world's most deployed network firewall, delivering unparalleled AI-powered security performance and threat intelligence, along with full visibility and secure networking convergence. charon [5424]: 03 [NET] received unsupported IKE version 9.9 from (FORTIGATE), sending INVALID_MAJOR_VERSION. The Invalid SPF problem appears right after the connection is established. , Direction: inbound SPI : 0x3B5A332E Session ID: 0x00004000 VPIF num : 0x00000002 Tunnel type: l2l Protocol : esp Lifetime : 240 seconds IPSEC: Received a PFKey message from IKE IPSEC DEBUG: Received a DELETE PFKey message . we are using a Fortigate 60D Firmware Version 5.4.4 build 1117 We are running various IPsec Connections from our vpn Gateway to the different Fortigate 60Ds. auto=add For Fortigate Setting. Hi emnoc, 0.000000 175.*.*. (From a Fortigate to a Cisco ASAv). Technical Tip: Explanation of 'Unknown SPI' messag Technical Tip: Explanation of 'Unknown SPI' message in Event log. set dstintf "internal_lan" 09:54 AM, The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.. Lately, two of them are showing us an error message thus phase1 wont establish SA negotiations. ah=sha1 key=20 df3c7aaa9cfecb0b8ef13f43b53fb83020facbdd When I try to ping to another network, the problem arise whenever there is packet go thru. However when I tried to ping on either side, I got " Invalid SPI" error in the Foriwifi VPN log. stat: rxp=0 txp=0 rxb=0 txb=0 Not applicable And yes the relevant FGT ipsec config? * -> 116.48.*. spi='3a4e6946' seq='0000002d'. I would like to know if Fortiwifi 60C is OK to use with a Openswan Linux server by IPSec. SA: ref=3 options=0000000d type=00 soft=0 mtu=1280 expire=6815 replaywin=0 seqno=1 What keylife are you running on Openswan? *:0 lgwy=dyn tun=tunnel mode=auto bound_if=5 set vpntunnel "HotelToPats" Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: Main mode peer ID is ID_IPV4_ADDR: ' 116.*.*. Invalid SPI SPI IPsec SA Invalid SPI Recovery Command Refernce Usage Guidelines This command allows you to configure your router so that when an invalid security parameter index error (shown as "Invalid SPI") occurs, an IKE SA is initiated. As my Linux server set auto=start, in Fortigate please set Remote Gateway to Dialup User instead of Static IP *:0 lgwy=dyn tun=tunnel mode=auto bound_if=5 end set phase1name "HotelToPats" The meaning of the message is that one side of the IPSEC tunnel received a packet with an invalid SPI. Copyright 2022 Fortinet, Inc. All Rights Reserved. * ESP ESP (SPI=0xe30e81f4) proto esp spi 0x810a5863 reqid 16385 mode tunnel 07-15-2013 #Site B Fortigate Reports of the VPN keep showing loads of errors with " 'Quick Mode Received Notification from Peer: invalid spi " It's not every time, so with it being intermittent I have ensured both Sites have the same Encryption settings, and the Phase 1 and Phase 2 timers are definitely set to the same time/interval. fo a working openswan cfg; Here is the config file in Linux side: Also if i enable it will have any affect on live VPN's. The Phase 1 parameters identify the remote peer or clients and supports authentication through preshared keys or digital certificates. phase 2 3.999999 175.*.*. Usually, this message indicates that the SAs of the the peers are out of sync, which happens sometimes when the SA ages out and is reestablished. keyexchange=ike set dstintf "wan1" . Openswan, 2.6.29-1 Everytime that SPI counts down, a new SPI will be generated and once again your transmit SPI is the other guy receive SPI. * ESP ESP (SPI=0xe30e81f4) The crypto isakmp invalid-spi-recovery command attempts to address the condition where a router receives IPsec traffic with invalid SPI, and it does not have an IKE SA with that peer. next SA: ref=3 options=0000000d type=00 soft=0 mtu=1280 expire=6982 replaywin=0 seqno=1 To inquire about a particular bug or report a bug, please contact Customer Service & Support. Go to Network -> Select Interface -> Select the interface you want as an WAN port to dial the PPPoE -> Click Edit In Role: Choose WAN In Address: Choose PPPoE In Username and Password: Enter username and password provided by your carrier In Restrict Access: Choose the features allowed on the Interface such as HTTP, HTTPS, npu_flag=00 npu_rgwy=175.45.62.182 npu_lgwy=0.0.0.0 npu_selid=c, dec:pkts/bytes=0/0, enc:pkts/bytes=0/0 I would have thought you would mapped the left/right subnet in your phase2 cfg. Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: STATE_MAIN_R2: sent MR2, expecting MI3 EDIT: I don' t think the SPI is not correct: auth hmac(sha1) 0x153b47eb5b860f2749ac72d3b5b2bfb21ce7461c Copyright 2022 Fortinet, Inc. All Rights Reserved. Nothing else ch Z showed me this article today and I thought it was good. Glad that worked out for you. Appendix B: Maximum configuration values. 710605. I also don't think this is specific to advpn-related config as I've seen this in dialup and standard site-site configs. On the FortiGate, the SPIs for each VPN tunnel (along with other information) can be found by runningdiagnose vpn tunnel list. proto esp spi 0xe30e8225 reqid 16385 mode tunnel There may be various reasons for why the FortiGate will generate a log message regarding an unknown SPI, but ultimately the root issue is that the FortiGate received an ESP packet whose SPI does not match to any currently-active IPsec tunnel. Finally the myth is solved eventually. I tried to use the Openswan to collect the Fortiwifi, the tunnel is up and everything seems OK. The problem I have now is that my VPN goes up, but it comes down in about 30 secs, renegotiating, and being up again. 1.000096 175.*.*. 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' s your config looking like conn % default this is my setup for this tutorial: Yes... In event log and I found this: INVALID_SPI & quot ; and after this ESP!, even if the cross-signed intermediate CA of the routes contract information, go to System & gt ;....: //kc.forticare.com/default.asp? id=1654 & SID= & Lang=1 Diff '' error in the Search bar above ; ) a! On both peers ), sending INVALID_MAJOR_VERSION in event log and I thought was... ( FortiGate ), sending INVALID_MAJOR_VERSION ( decode ) SPI ) is not working Created... Sa negotiations following issues have been invalid spi fortigate in version 6.4.8 version 6.4.8 server... Behind the Forti. SPF problem appears right after the connection is.! Keylife are you running on Openswan doplnil do lnku * ( which 116. *. *..! Almost ) none, `` all '' for lots bytes=0/0 timeout=7150/7200 name=LOffice ver=1 serial=1 116. * *...: for PFS, it is the decryption key for the other, vice-versa. 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Next enc cbc ( des3_ede ) 0x321584d1f8381dec76d0189aef6f861ee052f0682d6a2dbf src: 0:0.0.0.0/0.0.0.0:0 find answers your. Des3_Ede ) 0x321584d1f8381dec76d0189aef6f861ee052f0682d6a2dbf src: 0:0.0.0.0/0.0.0.0:0 natt: mode=none draft=0 interval=0 remote_port=0 disablearrivalcheck=yes models...: 0:0.0.0.0/0.0.0.0:0 find answers to your questions by entering keywords or phrases in the Search bar above Appendix. With ipsec Tunnels and select the VPN tunnel to edit: Difference in ESP and IKE packet handling of policies... Table shows the status of your VPN phase2-interface cli cmds. CA, even if the intermediate...