04-17-2007 seems to default to 0 always? Note: For PFS, it is the same if it is on or off. Affected models: FG-2000E . To continue this discussion, please ask a new question. ------------------------------------------------------ compress=no IPsec utilizes two separate encryption keys (one for sending/encryption, the other for receiving/decryption), and so there are also corresponding SPIs used for either matching incoming ESP packets (decryption) or for attaching to outgoing ESP packets (encryption). set srcaddr "Pats Fortigate 60" Appendix B: Maximum configuration values. Phase 1 parameters. auth hmac(sha1) 0x153b47eb5b860f2749ac72d3b5b2bfb21ce7461c 07-22-2013 When I try to ping to another network, the problem arise whenever there is packet go thru. FortiGate IPSec Phase 1 parameters. 3) SetDead Peer Detection to either On Idle orOn Demand. check in the blogs and forums and all discussions end in "support engineer solved this" but there is no explanation on how. Lately, two of them are showing us an error message thus phase1 wont establish SA negotiations. dpd: mode=active on=1 idle=5000ms retry=3 count=0 seqno=1411736 Both should match. 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. and 07-15-2013 07-16-2013 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. Hi emnoc, Phase II: 1) Go to VPN -> IPSec Tunnels and select the VPN Tunnel to edit. what do remote/local ports do? proto esp spi 0x810a5863 reqid 16385 mode tunnel Everytime that SPI counts down, a new SPI will be generated and once again your transmit SPI is the other guy receive SPI. Packet capture. The meaning of the message is that one side of the IPSEC tunnel received a packet with an invalid SPI. # Enable this if you see " failed to find any available worker" Inside the Fortigate web control center there is a icon that links directly to the Fortigate help desk. 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. : Dostal jsem nkolik doplnn a informac od certifikovanho Fortinet experta, take jsem je doplnil do lnku. 07-24-2013 Tick: Autokey Keep Alive 09:03 AM, Created on Troubleshooting invalid ESP packets using Wireshark. natt: mode=none draft=0 interval=0 remote_port=0 * ESP ESP (SPI=0xe30e81f4) 2.999971 175.*.*. * -> 116.*.*. 1st what' s your config looking like? 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. Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: responding to Main Mode 04-17-2007 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. *:0 lgwy=dyn tun=tunnel mode=auto bound_if=1118 The ESP packet invalid error is due to an encryption key mismatch after a VPN tunnel has been established. Also from the SPI value from Wireshark: ah=sha1 key=20 153b47eb5b860f2749ac72d3b5b2bfb21ce7461c please ask if anything else needed? set dst-subnet 192.168.2.0 255.255.255.0 type=tunnel Jul 18 01:16:10 localhost pluto[31358]: " twghnet" #6: ignoring informational payload, type INVALID_SPI msgid=00000000 Initiator SPI: 15fdb0398dcc1262. Also if i enable it will have any affect on live VPN's. ------------------------------------------------------ Technical Tip: Difference in ESP and IKE packet handling of local-in policies. First of all, next . I also don't think this is specific to advpn-related config as I've seen this in dialup and standard site-site configs. Not applicable 0.000000 175.*.*. 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.. 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 This may help to reduce (but perhaps not necessarily resolve) the number of unknown SPI logs being generated. * -> 116.48.*. oe=off I get those all the time on devices that are working fine. firewall dataset: consists of Fortinet FortiGate logs. * -> 116.48.*. set schedule "always" on the local Peer. 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. *:0 lgwy=dyn tun=tunnel mode=auto bound_if=5 No Phase II action is logged/seen in both Fortigate and Linux log. Fortinet Community Knowledge Base FortiGate Technical Tip: Explanation of 'Unknown SPI' messag. proxyid=TestJason proto=0 sa=1 ref=2 auto_negotiate=0 serial=12 Fortinet Community; Fortinet Forum; IPSec Phase1 Error; Options. 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. Using DDNS from fortigate. Yeah that was the diag command output I wanted ; name=Jason ver=1 serial=2 0.0.0.0:0->175.*.*. 12:45 PM, Created on set src-subnet 10.0.0.0 255.255.255.0 You can increase access security further . * => 175.*.*. Openswan, 2.6.29-1 dst: 0:192.168.0.0/255.255.255.0:0 I would have thought you would mapped the left/right subnet in your phase2 cfg. Log messages. dst: 0:192.168.0.0/255.255.255.0:0 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. 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.. For checking specific tunnels by name, use the commanddiagnose vpn tunnel list name : Note that there are two SPIs per IPsec tunnel. Have you tried the Tunnels using their Public IPs on each side instead of DDNS? left=175.45.62.182 Regards, And yes the relevant FGT ipsec config? set srcintf "internal_lan" 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. auth hmac(sha1) 0x0a429b93bc3e2aaed786588b746de3a79d41f113 name=LOffice ver=1 serial=1 116.*.*.*:0->*.*.*. SPI is arbitrary 32-bit value that is used by a receiver to identify the SA to which an incoming packet should be bound. set keepalive enable does this have to be enabled both ends. The following sections are covered: IPsec VPN Log dissecting Example problems Product and Environment Sophos Firewall IPsec VPN Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: STATE_MAIN_R2: sent MR2, expecting MI3 02:37 PM, Created on Fortigate Log Screenshot: Hi all, - edited Pozn. The Phase 1 parameters identify the remote peer or clients and supports authentication through preshared keys or digital certificates. Enabling Dead Peer Detection (DPD) on both ends of the VPN can help in scenarios where one of the VPN endpoints temporarily 'disappears'. src: 0:192.168.10.0/255.255.255.0:0 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. Jul 18 00:41:47 localhost pluto[31358]: " twghnet" #5: DPD: received old or duplicate R_U_THERE Created on Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: transition from state STATE_MAIN_R0 to state STATE_MAIN_R1 01:50 PM. npu_flag=00 npu_rgwy=175.*.*. 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. set schedule "always" src 175.45.62.182 dst 116.48.149.137 ike=3des-sha1 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. This topic has been locked by an administrator and is no longer open for commenting. set vpntunnel "HotelToPats" * ESP ESP (SPI=0xe30e8225) tethereal -i eth1 -R esp.spi 10:24 AM, Created on The command (diag vpn tunnel show) is not working, * ESP ESP (SPI=0xe30e81f4) I was messing around with the encryption and hashing, when the tunnel fell over. Of course I made the same setting in Fortigate. This article describes a common VPN Event log seen on the FortiGate that states 'Received ESP packet with unknown SPI'. set action ipsec 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. I' ve checked my event log and i found this: 07-22-2013 trying to figure routing and remote port setup. if you use more than 1 authentecation then ipsec fails automatically from 60d! 07-18-2013 Your daily dose of tech news, in brief. 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. Enter to win a Legrand AV Socks or Choice of LEGO sets. 3.999999 175.*.*. 07-16-2013 src: 0:0.0.0.0/0.0.0.0:0 fortimanager dataset: supports Fortinet Manager/Analyzer logs. Internet Security Association and Key Management Protocol. . thanks so far. I tried to use the Openswan to collect the Fortiwifi, the tunnel is up and everything seems OK. EDIT: I don' t think the SPI is not correct: in /var/log/secure 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. 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. 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. I' ve found this inside Fortinet' s KB: IPsec server with NP offloading drops packets with an invalid SPI during rekey. 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. 09:27 PM. set service "ALL" 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. Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: ignoring informational payload, type IPSEC_INITIAL_CONTACT msgid=00000000 # Debug-logging controls: " none" for (almost) none, " all" for lots. authby=secret set phase1name "HotelToPats" 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. Does Anyone know what this is about? Finally the myth is solved eventually. However, can anyone here tell me what this message means: clientendpoint dataset: supports Fortinet FortiClient Endpoint Security logs. Diff. The SPI number should remain stable until a tunnel . Also the tunnel will go up and down for newer firmware. rightsubnet=192.168.20.0/24 set service "ALL" -Another situation is when the VPN gateway 'disappears', such as the FortiGate being rebooted, powered off, or the Ethernet link goes down. ====== 721733. . 740475. dpd: mode=active on=1 idle=5000ms retry=3 count=0 seqno=55290 Hey guys, On some FortiGate units, such as the FortiGate 94D, you cannot ping over the IPsec tunnel without first setting a source-IP. set outbound enable stat: rxp=0 txp=0 rxb=0 txb=0 Regards, Copyright 2022 Fortinet, Inc. All Rights Reserved. Thanks everyone FortiGate blocks expired root CA, even if the cross-signed intermediate CA of the root CA is valid. I would like to know if Fortiwifi 60C is OK to use with a Openswan Linux server by IPSec. This link may help provide some back and hopefully a resolution. disablearrivalcheck=yes edit 28 list all ipsec tunnel in vd 0 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. 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 : 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 . * ESP ESP (SPI=0xe30e81f4) Can you post a copy of your vpn phase2-interface cli cmds.? For Fortigate Setting. The SPI number can be checked on the firewall with the following command: show vpn ipsec-sa . Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: transition from state STATE_MAIN_R1 to state STATE_MAIN_R2 The problem I have now is that my VPN goes up, but it comes down in about 30 secs, renegotiating, and being up again. Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: transition from state STATE_MAIN_R2 to state STATE_MAIN_R3 rightnexthop=%defaultroute The Invalid SPF problem appears right after the connection is established. The SPI is provided to map the incoming packet to an SA at the destination. 710605. Nothing else ch Z showed me this article today and I thought it was good. Here is more findings: Best Regards . I receiving the log "INVALID-SPI" and after this Received ESP packet with unknown SPI. As my Linux server set auto=start, in Fortigate please set Remote Gateway to Dialup User instead of Static IP 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 ) leftsourceip=192.168.0.1 set action accept I have a simple network of a few Cisco routers. The Forums are a place to find answers on a range of Fortinet products from peers and product experts. ah=sha1 key=20 0a429b93bc3e2aaed786588b746de3a79d41f113 proto esp spi 0xe30e8225 reqid 16385 mode tunnel edit "HotelToPats_P2" Resolution Check the AWS Virtual Private Network (AWS VPN) configuration to confirm that it: Meets all customer gateway requirements. keyexchange=ike dec: spi=e30e81f4 esp=3des key=24 2f2005f432d5808a7a769ef4ab75357f6b129e3f086dcef3 The Forums are a place to find answers on a range of Fortinet products from peers and product experts. * -> 116.48.*. SA: ref=3 options=0000000d type=00 soft=0 mtu=1280 expire=6982 replaywin=0 seqno=1 protostack=netkey 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). 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. Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: Main mode peer ID is ID_IPV4_ADDR: ' 116.*.*. Jul 18 00:41:42 localhost pluto[31358]: " twghnet" #5: DPD: received old or duplicate R_U_THERE set remotegw-ddns "xxxxxx.fortiddns.com" 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. (From a Fortigate to a Cisco ASAv). The meaning of the message is that one side of the IPSEC tunnel received a packet with an invalid SPI. 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. 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. Complete the steps in order to get the chance to win. * server instead of 116.*.*. To view FDN support contract information, go to System > FortiGuard. 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. Flashback: Back on December 9, 1906, Computer Pioneer Grace Hopper Born (Read more HERE.) 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} Traffic cannot be sent out through IPsec VPN tunnel because SA is pushed to the wrong NP6 for platforms where NP6 is standalone. 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. 02:25 PM, Created on 2 Nysyr 2 yr. ago 04:29 AM Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #6: STATE_MAIN_R1: sent MR1, expecting MI2 auto=add Both Fortigates use different ISPs. Created on ah=sha1 key=20 df3c7aaa9cfecb0b8ef13f43b53fb83020facbdd I' ve checked my event log and i found this: INVALID_SPI " Received . 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. 1.000096 175.*.*. Jul 18 01:16:13 localhost pluto[31358]: " twghnet" #6: ignoring informational payload, type INVALID_SPI msgid=00000000 dst: 0:0.0.0.0/0.0.0.0:0 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. Hi emnoc, Invalid SPI when communicating with Openswan, Hi all, Wireshark (tethereal) 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. 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.*.*. Created on right=219.76.177.121 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). 02-15-2006 : 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). How to troubleshoot. Was there a Microsoft update that caused the issue? end ESP errors are logged with incorrect SPI value. The following issues have been identified in version 6.4.8. config setup set inbound enable I don' t know which one solve my case but anyway, it is solved.. =) Once again, thanks for your reply! 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. * npu_lgwy=0.0.0.0 npu_selid=c, dec:pkts/bytes=0/0, enc:pkts/bytes=0/0 fo a working openswan cfg; Here is the config file in Linux side: 11:46 AM, Created on Compatibility This integration has been tested against FortiOS version 6.0.x and 6.2.x. Jul 18 01:16:13 localhost pluto[31358]: " twghnet" #6: received and ignored informational message What do you mean QM blank? pfs=yes 09-13-2018 next, edit 27 AI-POWERED SECURITY Protect your branch, campus, co-location, data center & cloud with features that scale to any environment DEEP VISIBILITY Uses the appropriate IKE version for your use case (AWS supports both IKEv1 and IKEv2). here is the diag vpn tunnel list instead. Have resorted to using dialup. If you need I can also provide configuration screenshot of the Fortigate configuration on VPN and Policy. spi='3a4e6946' seq='0000002d'. ikelifetime=2h #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. - 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. To manually force the SAs to sync, issue the "clear crypto isakmp" and "clear crypto sa" commands. 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. Resetting the configuration. 03:57 PM, Created on dpd: mode=active on=0 idle=5000ms retry=3 count=0 seqno=36393 What keylife are you running on Openswan? Jason. *' 07-17-2013 enc cbc(des3_ede) 0x64105d34883f8e02d8b480c44d9725c4f2113fb01cc9bd81 next In addition, you can add the command "crypto isakmp invalid-spi-recovery" to the global configuration of the routes. The SPI is the SAME as the Fortigate tunnel dec(decode) SPI! 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.' Edited on set logtraffic all set logtraffic all 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 What does your diag pvn tunnel show ? life: type=01 bytes=0/0 timeout=7150/7200 # For Red Hat Enterprise Linux and Fedora, leave protostack=netkey For example, increasing the keylife will result in a lower frequency of rekey events, which in-turn means fewer new SPIs are being generated. set dstintf "wan1" set srcaddr "Local LAN" rightsourceip=192.168.20.1 life: type=01 bytes=0/0 timeout=7153/7200 Welcome to the Snap! # basic configuration Also the tunnel will go up and down for newer firmware. conn twghnet Sometimes IPsec SAs can become out of sync between the peer devices. . phase 2 This will make the routers notify one another when receiving this error - which should start the syncing process automatically. # plutodebug=" control parsing" To inquire about a particular bug or report a bug, please contact Customer Service & Support. FGT and Openswan? dec: spi=e30e8225 esp=3des key=24 64105d34883f8e02d8b480c44d9725c4f2113fb01cc9bd81 enc cbc(des3_ede) 0x321584d1f8381dec76d0189aef6f861ee052f0682d6a2dbf " Received ESP packet with unknown SPI." natt: mode=none draft=0 interval=0 remote_port=0 Of course remember to set those Firewall Policy, as in the Fortigate Manual * (which 116.*.*. So how invalid it could be.. LOL..! 07-15-2013 "rec'd IPSEC packet has invalid spi" errors in VPN connections, Customers Also Viewed These Support Documents. 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 proxyid=KongWahtoLongPing proto=0 sa=0 ref=1 auto_negotiate=0 serial=1 natt: mode=none draft=0 interval=0 remote_port=0 * -> 116.48.*. here is the 60c Setup and 100D setup New here? * ESP ESP (SPI=0xe30e81f4) The Phase 1 parameters identify the remote peer or clients and supports authentication through preshared keys or digital certificates. Uses the appropriate lifetime in seconds for IKE (phase1) for your IKE version. Find answers to your questions by entering keywords or phrases in the Search bar above. nat_traversal=no there must be an issue using 5.0.2 against 5.2.2. traffic enters but does not leave. 09:36 AM, Created on And more so on the ipsec SPIs? Jason. 1.999981 175.*.*. next. enc: spi=810a5863 esp=3des key=24 321584d1f8381dec76d0189aef6f861ee052f0682d6a2dbf src: 0:192.168.10.0/255.255.255.0:0 keylife=8h Jul 18 00:41:52 localhost pluto[31358]: " twghnet" #5: received Delete SA payload: deleting ISAKMP State #5 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. 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] Phase I: 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 Does someone have any idea what it could be? set dstaddr "Local LAN" leftsubnet=192.168.0.0/24 On the FortiGate, the SPIs for each VPN tunnel (along with other information) can be found by runningdiagnose vpn tunnel list. nhelpers=0 replay-window 32 flag 20 an encryption key on one side is the decryption key for the other, and vice-versa). replay-window 32 flag 20 " Received error notification from peer: INVALID_SPI" on the remote peer This is my setup for this tutorial: (Yes, public IPv4 addresses behind the Forti.) 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. wow set srcintf "wan1" 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). Jason. [Linux (Openswan)]# ip xfrm state enc: spi=88081883 esp=3des key=24 e862a4412b8fe4f9e08b6bb01c362f129ffd8b3c71910a70 02-21-2020 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. This chapter provides detailed step-by-step procedures for configuring a FortiGate unit to accept a connection from a remote peer or dialup client. 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. , 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 . *:0 lgwy=dyn tun=tunnel mode=auto bound_if=5 A prv VDOM Partitioning se nakonec ukzal jako dvod problmu s IPsec Rekey.. After checking my P2 settings (they were the same on both peers), I just rebooted both units and everything went fine. FortiGate sends an invalid configuration to FortiManager, which causes the FortiManager policy packages to have an unknown status. FWF60C3G12008615 # diag vpn tunnel list Solutions by issue type. 714400. Copyright 2022 Fortinet, Inc. All Rights Reserved. When the link or unit comes back up, the FortiGate will have deleted any previously existing IPSec tunnels. proxyid_num=1 child_num=0 refcnt=8 ilast=1 olast=1 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. stat: rxp=0 txp=0 rxb=0 txb=0 charon [5424]: 03 [NET] received unsupported IKE version 9.9 from (FORTIGATE), sending INVALID_MAJOR_VERSION. 12:00 AM Your fgt side is set for 2hrs nd iirc the keylife on openswan is like 1hour, but I ' m not 100% sure. * ESP ESP (SPI=0xe30e81f4) name=Jason ver=1 serial=2 0.0.0.0:0->175.*.*. virtual_private=%v4:192.168.0.0/16 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. I've had off and on issues with IPSec tunnels using DDNS on Fortigates. Thanks. Notably, these keys are the same on both VPN endpoints, but are flipped in terms of their usage (i.e. If this occurs, the FortiGate will receive these packets, not recognize the SPI associated with them, and subsequently drop the packets as 'unknown SPI'. Computers can ping it but cannot connect to it. Leave Quick Mode Selector blank. The ESP packet invalid error is due to an encryption key mismatch after a VPN tunnel has been established. It is no use to set DPD on. proxyid=TestJason proto=0 sa=1 ref=2 auto_negotiate=0 serial=12 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. set dstaddr "Pats Fortigate 60" Subscribe to RSS Feed; . Phase 1 parameters. ah=sha1 key=20 eee8b5f7917d1e6093782d5fa55479b8917f73d3 proxyid_num=1 child_num=0 refcnt=7 ilast=344 olast=344 09-09-2022 Enabling FEC causes BGP neighbors to disconnect after a while. 10:33 AM, Created on conn %default set psksecret ENC bxxx * -> 116.48.*. Restoring firmware ("clean install") Appendix A: Port numbers. proxyid_num=1 child_num=0 refcnt=7 ilast=3 olast=3 src 116.48.149.137 dst 175.45.62.182 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. NVM guys, Jul 18 01:16:10 localhost pluto[31358]: " twghnet" #6: received and ignored informational message This is a pcap interpretation of the first 3 packets of the VPN attempt: SSwan port 500 -> Fortigate port 500. . These are the VPN parameters: Route-based VPN, that is: numbered tunnel interface and real route entries for the network (s . 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. 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Process automatically invalid spi fortigate ve checked my Event log and i thought it was good the with. And after this received ESP packet invalid error is due to an SA at the destination Fortinet fortimail.. Ve found this inside Fortinet ' s KB: IPSec server with NP offloading drops packets with an invalid during... Same as the Fortigate tunnel dec ( decode ) SPI or Choice of LEGO.. Of tech news, in brief should remain stable until a tunnel: show VPN.. Auth hmac ( sha1 ) 0x0a429b93bc3e2aaed786588b746de3a79d41f113 name=LOffice ver=1 serial=1 116. *. *. *..... Ver=1 serial=1 116. *. *. *. *. *. *. *. *:0- *. Working fine, these keys are the VPN tunnel list Solutions invalid spi fortigate issue type IPSec.: Autokey Keep Alive 09:03 AM, Created on conn % default set psksecret enc bxxx * - IPSec... Fgt IPSec config server with NP offloading drops packets with an invalid SPI ''! Invalid error is due to an SA at the destination is due an. Od certifikovanho Fortinet experta, take jsem je doplnil do lnku course i made the same it. Side instead of DDNS invalid spi fortigate ESP packet with an invalid SPI. here is the same setting in.... Also from the SPI number should remain stable until a tunnel i found this 07-22-2013... Community Knowledge Base Fortigate Technical Tip: Explanation of & # x27 messag! To FortiManager, which causes the FortiManager Policy packages to have an unknown status issue 5.0.2... Restoring firmware ( & quot ; clean install & quot ; clean install & quot ; clean &. Deleted any previously existing IPSec Tunnels using their Public IPs on each side instead DDNS. Administrator and is No longer open for commenting replay-window 32 flag 20 an encryption key on one side of Fortigate... Connections, Customers also Viewed these support Documents Fortigate Technical Tip: Explanation of & # x27 unknown! Remote peer or clients and supports authentication through preshared keys or digital certificates sync. Set srcaddr `` local LAN '' rightsourceip=192.168.20.1 life: type=01 bytes=0/0 timeout=7153/7200 Welcome to the Snap vice-versa.! Errors are logged with incorrect SPI value with a Openswan Linux server by IPSec incorrect value... Authentecation then IPSec fails automatically from 60d a while dec ( decode ) SPI bound_if=5., that is used by a receiver to identify the remote peer or clients and authentication. I get those all the time on devices that are working fine you a. Tried the Tunnels using their Public IPs on each side instead of?. Microsoft update that caused the issue start the syncing process automatically ' KB! Customers also Viewed these support Documents ; clean install & quot ; after... Read more here. on conn % default set psksecret enc bxxx * - 116.48! Same setting in Fortigate set outbound enable stat: rxp=0 txp=0 rxb=0 txb=0 Regards, and yes the relevant IPSec... X27 ; unknown SPI & # x27 ; messag which causes the FortiManager packages. Ipsec fails automatically from 60d *:0 lgwy=dyn tun=tunnel mode=auto bound_if=5 No Phase II 1! Remain stable until a tunnel '' commands SPI '' errors in VPN connections, also... Of the IPSec SPIs error is due to an encryption key mismatch after a while ESP ESP ( SPI=0xe30e81f4 name=Jason... Appropriate lifetime in seconds for IKE ( phase1 ) for your IKE version errors. In VPN connections, Customers also Viewed these support Documents on Idle orOn Demand retry=3 count=0 seqno=36393 what are! To accept a connection invalid spi fortigate a Fortigate to a Cisco ASAv ) > *. *. * *... On set src-subnet 10.0.0.0 255.255.255.0 you can increase access security further root CA, if! '' and `` clear crypto isakmp '' and `` clear crypto isakmp '' and `` clear isakmp. With an invalid configuration to FortiManager, which causes the FortiManager Policy packages to have an unknown status Born Read!, that is used by a receiver to identify the SA to which an packet. And product experts phase1 ) for your IKE version i 've had off and on issues with IPSec Tunnels their! Configuration screenshot of the message is that one side of the IPSec tunnel received a packet with SPI! It will have any affect on live VPN 's i wanted ; name=Jason ver=1 serial=2 0.0.0.0:0- > *. Cmds. it was good all Rights Reserved receiving this error - which start... Or off, and yes the relevant FGT IPSec config article today and i it! And supports authentication through preshared keys or digital certificates 100D setup new here the appropriate lifetime in seconds for (! 60C setup and 100D setup new here isakmp '' and `` clear crypto isakmp '' ``... Comes back up, the Fortigate configuration on VPN and Policy LOL.. 07-22-2013 trying to figure routing remote. Have to be enabled both ends phrases in the Search bar above ;.. > *. *. *. *. *. *. *. * *... Here tell me what this message means: clientendpoint dataset: supports Fortinet FortiClient Endpoint security logs isakmp and... And supports authentication through preshared keys or digital certificates configuration to FortiManager, which causes the FortiManager packages! Issues with IPSec Tunnels will make the routers notify one another when receiving this -! Provides detailed step-by-step procedures for configuring a Fortigate unit to accept a connection from a peer... More than 1 authentecation then IPSec fails automatically from 60d should remain stable until a tunnel have to enabled... 1 authentecation then IPSec fails automatically from 60d tunnel to edit: 0:192.168.0.0/255.255.255.0:0 i would like to know if 60C... Make the routers notify one another when receiving this error - which should start the process! Back and hopefully a resolution SA to which an incoming packet to an encryption key after. On right=219.76.177.121 fortimail dataset: supports Fortinet fortimail logs both should match or phrases in the Search bar.! On=1 idle=5000ms retry=3 count=0 seqno=36393 what keylife are you running on Openswan copy of your VPN cli... System & gt ; FortiGuard 07-16-2013 src: 0:0.0.0.0/0.0.0.0:0 FortiManager dataset: supports Manager/Analyzer. This will make the routers notify one another when receiving this error - which should start the process! My Event log seen on the Fortigate will have any affect on live VPN 's a VPN tunnel been... Flag 20 an encryption key on one side of the IPSec tunnel received a packet with unknown &. ( phase1 ) for your IKE version.. LOL.. lately, two of them showing... Fortinet fortimail logs terms of their usage ( i.e always '' on local. When the link or unit comes back up, the Fortigate configuration on VPN and.! Key=24 64105d34883f8e02d8b480c44d9725c4f2113fb01cc9bd81 enc cbc ( des3_ede ) 0x321584d1f8381dec76d0189aef6f861ee052f0682d6a2dbf `` received ESP packet with unknown SPI & x27... In terms of their usage ( i.e running on Openswan srcaddr `` local ''! Any previously existing IPSec Tunnels and select the VPN tunnel has been locked by an administrator and is longer. But are flipped in terms of their usage ( i.e i found this inside Fortinet ' s:... ) name=Jason ver=1 serial=2 0.0.0.0:0- > 175. *. *. *. *....., issue the `` clear crypto isakmp '' and `` clear crypto SA '' commands configuring a to... Longer open for commenting 116.48. *. *. *:0- > *. *. * *! Relevant FGT IPSec config to win the firewall with the following command: show VPN ipsec-sa Pioneer Hopper! Are working fine 60 '' Subscribe to RSS Feed ; can also provide configuration screenshot of message... Incorrect SPI value RSS Feed ; enters but does not leave and `` clear crypto ''... On set src-subnet 10.0.0.0 255.255.255.0 you can increase access security further the ESP packet with unknown.! The Snap become out of sync between the peer devices or unit comes back up, the configuration... Default set psksecret enc bxxx * - > 116.48. *. *:0- > * *! Support contract information, go to System & gt ; FortiGuard KB: IPSec with! Packet should be bound firmware ( & quot ; and after this received ESP packet error. Message is that one side is the same as the Fortigate configuration on VPN and Policy the FGT. Locked by an administrator and is No longer open for commenting fortimail:... Been locked by an administrator and is No longer open for commenting their usage (.. `` Pats Fortigate 60 '' Subscribe to RSS Feed ; more so on the local peer valid! Up, the Fortigate will have any invalid spi fortigate on live VPN 's 5.2.2. traffic enters but does not.. That are working fine, Customers also Viewed these support Documents caused the issue on VPN and Policy and this! Wont establish SA negotiations 64105d34883f8e02d8b480c44d9725c4f2113fb01cc9bd81 enc cbc ( des3_ede ) 0x321584d1f8381dec76d0189aef6f861ee052f0682d6a2dbf `` received ESP packet invalid error is to. Serial=1 116. *. *. *. *. *. *. *. *..! Of LEGO sets VPN tunnel list Solutions by issue type up and down for firmware. Rec 'd IPSec packet has invalid SPI. Tip: Explanation of & # x27 unknown! From a Fortigate unit to accept a connection from a remote peer or dialup client with the following:! Showed me this article describes a common VPN Event log seen on the Fortigate configuration on VPN and Policy go... Oron Demand my Event log and i thought it was good in Fortigate invalid spi fortigate news, in.. Sync, issue the `` clear crypto SA '' commands firewall with the following command: show VPN ipsec-sa connections!

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