I had been trying to refer to the RED Tunnels built into Sophos XG Firewalls as a site to site VPN option. Pay attention, because you can lose connection to your XG. The output doesn't show the phase 2 SAs. The message no matching peer config found indicated that the connection ID wasnt configured to match on both sites. How to see the log for Sophos Transparent Authentication Suite (STAS). It will remain unchanged in future help versions. I mean, you have to deploy a SA for each Network pinning. Things started simply enough, we were provided static IPs for the cameras, and we started the project. You need to hear this. Avi Bar Ilan over 4 years ago. Regards If you configured traffic-based rekeying on the third-party remote firewall, change it to time-based rekeying. You can also create RED tunnels between the main office and the branch offices. For example, on Windows, start a command prompt and type the following command: When the branch office device is configured with a dynamic IP address, the head office device cannot initiate the connection. when we switched to sophos in the main office, we have changed the vpn settings on the branch office deivce to mach the one on the sophos device. The purpose of this post is to help understand troubleshooting steps and explain how to fix the most common IPsec issues that can be encountered while using the Sophos Firewall IPsec VPN (site to site) feature. 02-21-2020 I think this is happening automatically from the rebooted / updated client. Help us improve this page by, How to deploy Sophos Firewall on Amazon Web Services (AWS), Control traffic requiring web proxy filtering, Add a DNAT rule with server access assistant, UDP time-out value causes VoIP calls to drop or have poor quality, VoIP call issues over site-to-site VPN or with IPS configured, Audio and video calls are dropping or only work one way when H.323 helper module is loaded, How to turn the Session Initiation Protocol (SIP) module on or off, The phone rings, but there's no audio if you're using VPN or the Sophos Connect client, Add a Microsoft Remote Desktop Gateway 2008 and R2 rule, Add a Microsoft Remote Desktop Web 2008 and R2 rule, Add a Microsoft Sharepoint 2010 and 2013 rule, Create DNAT and firewall rules for internal servers, Create a source NAT rule for a mail server (legacy mode), Create a firewall rule with a linked NAT rule, Allow non-decryptable traffic using SSL/TLS inspection rules, Enable Android devices to connect to the internet, Migrating policies from previous releases, Block applications using the application filter, Deploy a hotspot with a custom sign-in page, Deploy a wireless network as a bridge to an access point LAN, Deploy a wireless network as a separate zone, Provide guest access using a hotspot voucher, Restart access points remotely using the CLI, Add a wireless network to an access point, Configure protection for cloud-hosted mail server, Set up Microsoft Office 365 with Sophos Firewall, Configure the quarantine digest (MTA mode), Protect internal mail server in legacy mode, Configuring NAT over a Site-to-Site IPsec VPN connection, Use NAT rules in an existing IPsec tunnel to connect a remote network, Comparing policy-based and route-based VPNs, Configure IPsec remote access VPN with Sophos Connect client, Configure remote access SSL VPN with Sophos Connect client, Create a remote access SSL VPN with the legacy client, Troubleshooting inactive RED access points, Configure Sophos Firewall as a DHCP server, HO firewall as DHCP server and BO firewall as relay agent, DHCP server behind HO firewall and BO firewall as relay agent, Configure DHCP options for Avaya IP phones, What's new in SD-WAN policy routing in 18.0, Allowing traffic flow for directly connected networks: Set route precedence, Configure gateway load balancing and failover, WAN link load balancing and session persistence, Send web requests through an upstream proxy in WAN, Send web requests through an upstream proxy in LAN, Configure Active Directory authentication, Route system-generated authentication queries through an IPsec tunnel, Group membership behavior with Active Directory, Configure transparent authentication using STAS, Synchronize configurations between two STAS installations, Configure a Novell eDirectory compatible STAS. Make sure the VPN configuration on both firewalls has the same settings for the following: Phase 1: Encryption, authentication, and DH group. Click Status to activate the connection. I had been unemployed for nearly 6 months and bills were piling up. 1997 - 2023 Sophos Ltd. All rights reserved. RED Tunnels are only meant to Sophos devices, Opens a new window Gateway address: The peer gateway address you've entered on the local firewall matches the listening interface in the remote configuration. Remote Ethernet Device (RED): Provides a secure tunnel between a remote site and Sophos Firewall. Hovever I sometimes see issues that the "inside" tunnel / SA is not coming up or loosing some connections. So, my current project is security camera installation. Looks like there are a few ways to connect Multiple XG Firewalls together, including RED Tunnels, SSL VPN, and IPsec VPN. Jun 17, 2022 You can configure policy-based (host-to-host and site-to-site) IPsec VPNs, route-based IPsec VPNs, and SSL VPNs. Yes I agree to some others - I assume the config of the fortigate is wrong: The fortigate - fortigate IPSec connection can use some wildcard network connections and don't need to define every network on phase 2. The output shows the transform sets for the VPN exist, that is, the SAs match. Steps to put the strongswan service in debug: SSH into the Sophos firewall by following this KBA: To connect using SSH, you may use any SSH client to connect to port 22 of the SFOS device. Cause: The cause is likely to be a preshared key mismatch between the two firewalls. IPsec VPN site to site configuration can allow to connect two remote sites and access Internal resources and another task. Sophos Firewall v17: Site-to-Site IPsec VPN. Thank you for your feedback. Use these resources to familiarize yourself with the community: How do i setup a IPsec VPN Tunnel Between ASA and Sophos XG? Optional: Create a firewall rule for inbound traffic if you want independent firewall rules. community.sophos.com Have a suggestion for a new video? Verify the network objects on either end match exactly down to the correct subnets and even individual addresses. obviously, the remote site needs to be the one that "calls" the main site. Always use the following permalink when referencing this page. https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/index.html?contextId=c_202009211558340968. The following sections are covered: IPsec VPN Log dissecting Example problems Product and Environment Sophos Firewall IPsec VPN 1997 - 2023 Sophos Ltd. All rights reserved. can you explain better what you are trying to achieve? You can also match keywords within the logs by entering. You must use the same preshared key for all IPsec connections that use a wildcard remote gateway address on the firewall. Note: The content of this article is available on Create a site-to-site SSL VPN. Hi. 2020-11-13 04:55:06 17[ENC] invalid HASH_V1 payload length, decryption failed? Looks like the advantage of IPsec is you can have VPN fail over with multiple connections. If someone could please enlighten me on how to configure the routing for the VPN it would be much appreciated! The connection appears in the list of IPsec connections. https://community.sophos.com/kb/en-us/125101 Opens a new window Traffic stops flowing after some time. i have firewall rules that allow all 4 subnets on both sides. I enabled strongswan and it shows that it's running, but when I run the tail -f command, its saying No such file or directory. I have created the connection but not working. VPN from 2 to 3 works OR does not work, depending. - are you sure that you are routing traffic to the remote peer out the correct interface? So even the IPSec Site to Site route is missing? Strongswan is the service used by Sophos to provide IPSec functionality. Its main purpose is to provide a secure tunnel from its deployment location to a Sophos XG Firewall. What's going on? The connection specifies endpoint details, network details, and a preshared key. https://community.sophos.com/products/xg-firewall/f/vpn/92867/ipsec-site-to-site-vpn-connects-but-no-traffic-passes. New Sophos Support Phone Numbers in Effect July 1st, 2023. Make sure the configured subnets match on both firewalls. Enter the following command: ip xfrm state. Always use the following permalink when referencing this page. 03-07-2019 seems like the traffic is lost on the sophos side. I also deactivated and reactivated the tunnel to see if that would generate, Sophos Firewall: Troubleshooting site to site IPsec VPN issues, Verify networks being presented by both local and remote ends match, Sophos Firewall requires membership for participation - click to join, Problem #1 -Incorrect traffic selectors (SA), Verify configured IKE version on policies. Add an IPsec profile Post-requisites for policy-based and route-based IPsec connections: Optionally, add a VPN failover group to configure redundant tunnels. Additionally, does the RED interface completely take up the interface? Therefore XG will not push any traffic to those non existing Networks (because the SA and SPI is missing). The purpose of this post is to help understand troubleshooting steps and explain how to fix the most common IPsec issues that can be encountered while using the Sophos Firewall IPsec VPN(site to site) feature. I'm trying to route all internet traffic through the IPSec VPN to the XG Firewall of the main site (in Azure) so it can be filtered through the firewall of the Azure XG Firewall. route -n From there check if you see the routing you have added using the console command and you can try to remove its default route 0.0.0.0/0.0.0 using linux commands and see if the IPSec route works. You can configure and install RED appliances. Status of IKE charon daemon (strongSwan 5.5.3, Linux 3.14.22, x86_64): uptime: 4 hours, since Oct 27 05:11:10 2020, malloc: sbrk 4927488, mmap 0, used 550176, free 4377312, worker threads: 27 of 32 idle, 5/0/0/0 working, job queue: 0/0/0/0, scheduled: 5, loaded plugins: charon aes des rc2 sha2 sha3 sha1 md5 random nonce x509 revocation constraints pubkey pkcs1 pkcs7 pkcs8 pkcs12 pgp dnskey sshkey pem openssl fips-prf curve25519 xcbc cmac hmac attr kernel-netlink socket-default stroke vici xauth-generic xauth-access-server ippool-access-server cop-updown garner-logging error-notify unity, To_Azure_Sophos-1: 192.168.1.16xxxxxx.eastus2.cloudapp.azure.com IKEv2, dpddelay=30s, To_Azure_Sophos-1: local: [72.138.XX.XX] uses pre-shared key authentication, To_Azure_Sophos-1: remote: [10.0.0.4] uses pre-shared key authentication, To_Azure_Sophos-1: child: 172.16.19.0/24 === 10.0.1.0/24 TUNNEL, dpdaction=restart. The connection specifies endpoint details, network details, and a preshared key. I have this problem too Labels: AnyConnect IPSec Other VPN Topics Common configuration errors that prevent Sophos Firewall devices from establishing site-to-site IPsec VPN connections. Home. How to route Internet traffic through the Site-to-Site IPSec VPN? This issue may occur if theres a mismatched local and remote connection ID configured, Problem #4 -Traffic does not pass through the IPsec VPN Tunnel, Sophos Firewall: Troubleshooting steps when traffic is not passing through the VPN tunnel, Problem #5 Invalid HASH_V1 payload length, decryption failed? SHA1 instead of AES in both phases, then DH2 instead of DH21 and so on. Choose your embed type above, then paste the code on your website. Peppers Lonely Hearts Club Band is released I'll try to add Internet routes using the routing commands mentioned in that post. Add a failover group Route system-generated traffic through IPsec tunnels: DHCP server behind HO firewall and BO firewall as relay agent https://community.sophos.com/kb/en-us/126454 Opens a new windowhttps://community.sophos.com/kb/en-us/125101 Opens a new windowYou can refer all the articles and configure as per your requirement. Sophos Firewall requires membership for participation - click to join. Policy-based VPN: Encrypts traffic passing through the listening interface based on the firewall rule and the local and remote subnets specified in the matching IPsec connection. I have XGS-136 with UTM18.5.2 MR-2-Build380. 2020-09-20 00:29:42 22[NET] <10> received packet: from 72.138.xx.xx[4500] to 10.0.0.4[4500] (464 bytes), 2020-09-20 00:29:42 22[ENC] <10> parsed IKE_AUTH request 1 [ IDi IDr AUTH SA TSi TSr N(MULT_AUTH) N(EAP_ONLY) N(MSG_ID_SYN_SUP) ], 2020-09-20 00:29:42 22[CFG] <10> looking for peer configs matching 10.0.0.4[10.0.0.1]72.138.xx.xx[72.138.xx.xx], 2020-09-20 00:29:42 22[CFG] <10> no matching peer config found, 2020-09-20 00:29:42 22[DMN] <10> [GARNER-LOGGING] (child_alert) ALERT: peer authentication failed, 2020-09-20 00:29:42 22[ENC] <10> generating IKE_AUTH response 1 [ N(AUTH_FAILED) ], 2020-09-20 00:29:42 22[NET] <10> sending packet: from 10.0.0.4[4500] to 72.138.xx.xx[4500] (96 bytes), 2020-09-20 00:29:42 22[IKE] <10> IKE_SA (unnamed)[10] state change: CONNECTING => DESTROYING, 2020-09-20 00:29:42 04[NET] sending packet: from 10.0.0.4[4500] to xx.xx[4500], SFVUNL_AI01_SFOS 19.0.1 MR-1-Build365# ipsec statusall. This issue may occur if the networks being negotiated on either end of the tunnels dont match on both ends. New Sophos Support Phone Numbers in Effect July 1st, 2023. It will remain unchanged in future help versions. Hello, Do you Solved it? Your daily dose of tech news, in brief. It's easy to manage firewall rules for VPN, You can create Hub Spoke configuration for multiple site, please refer the given articles, You can apply traffic shaping as well on VPN rules. If all the settings match, the remote firewall administrator must check the configuration at their end since the remote firewall has refused the connection. To establish the connection with any of the remote gateway's interfaces, specify a wildcard (*). They have decided to go with DHCP rather than static Today in History: 1967 Sgt. I would say, something is not correct configured on Forti site. Is the IPsec working? Try to go to advanced shell and print out the routing table using: From there check if you see the routing you have added using the console command and you can try to remove its default route 0.0.0.0/0.0.0 using linux commands and see if the IPSec route works. I've gone through all VPN settings many times and cannot find any setting, which would mean to me "auto connect" or something like this. Edit: I'm not quite sure how to add internet routes system ipsec_route add net 0.0.0.0/0.0.0.0 tunnelname "VpnName" should be the right command, but I still can't access any outside IP. No, this 3 locations have Draytek 2926 on site 1 and 3, while location 2 has XGS-136: Suspecting issue with IPSec VPN Policy atDraytek router. You create and activate an IPsec connection at the branch office. Prerequisites for policy-based and route-based IPsec connections: Use the default IPsec profiles or create custom profiles for the phase 1 and phase 2 security settings. Here are the routes, with the new route added: I would use a RED tunnel. - is the crypto map configured appropriately and is it assigned to the correct outgoing interface? This topic has been locked by an administrator and is no longer open for commenting. If apost solvesyourquestion please use the'Verify Answer' button. Hello, could you provide a configuration from both device? What is the current firmware Sophos XG ? We have the same problem the last Weekend. They also go deeper in how. This video describes the steps to configure a Site-to-Site IPsec VPN connection, using a pre-shared key as an authentication method for VPN peers. They were good in so far as they basically did what they were supposed to, but I hated them. Site-to-site SSL VPN: Establishes SSL/TLS connections between two Sophos Firewall devices in a client-server configuration. Sign up for the Sophos Support Notification Service to receive proactive SMS alerts for Sophos products and Sophos Central services. Here are some of the things that I would check: - is there successful IP connectivity between your peer address of the vpn and the remote peer IP address (can both sides ping the peer IP address, specifying your own peer IP address as the source). I am not sure you can achieve that with no issue. https://community.sophos.com/kb/en-us/125101 Opens a new window. We are using the SAs to publish the routes. Post-requisites for policy-based and route-based IPsec connections: Optionally, add a VPN failover group to configure redundant tunnels. Security Associations (1 up, 0 connecting): To_Azure_Sophos-1[11]: ESTABLISHED 6 minutes ago, 192.168.1.16[72.138.xx.xx]52.179.xx.xx[10.0.0.4], To_Azure_Sophos-1[11]: IKEv2 SPIs: de12479abd022538_i* e9aa15057931f8d2_r, rekeying in 77 minutes, To_Azure_Sophos-1[11]: IKE proposal: AES_CBC_256/HMAC_SHA2_512_256/PRF_HMAC_SHA2_512/CURVE_25519, To_Azure_Sophos-1{11}: INSTALLED, TUNNEL, reqid 6, ESP in UDP SPIs: c2a06117_i ce6446d0_o, To_Azure_Sophos-1{11}: AES_CBC_256/HMAC_SHA2_512_256, 0 bytes_i, 0 bytes_o, rekeying in 14 minutes, To_Azure_Sophos-1{11}: 172.16.19.0/24 === 10.0.1.0/24, SFVUNL_AI01_SFOS 19.0.1 MR-1-Build365# ip route show table 220, 10.0.1.0/24 dev ipsec0 scope link src 172.16.19.16, 2020-11-13 04:55:06 17[NET] received packet: from 20.36.xxx.xxx[500] to 192.168.1.16[500] (124 bytes). Creating a gateway is then trivial at that point (just like any other interface). If the subnets match, the remote administrator must check the remote firewall's logs if the error persists. Find answers to your questions by entering keywords or phrases in the Search bar above. Stability is my first goal, with troubleshooting/reporting, then speed being the considerations. I'm finding Sophos articles on how to set each of the three site to site options up, but few comparisons between them. Add an IPsec connection at the head office Create and activate an IPsec connection at the head office. Pay attention, because you can lose connection to your XG. I have created the connection but not working. Please copy it manually. Another VPN Site-to-Site was up for 2 weeks, then one side power failed, and after comming back up does not only fail to re-connect automatically, but will not connect at all! Verify the priority of VPN and static routes. You could filter logs with the tunnel name if there are multiple IPsec tunnels. Well, XGS in my case is client, as it is initiating connection. I also love the fact you can control the firewall rules of the IPsec VPNs better than RED Tunnels. Do a backup before doing this. Please share the above information with a snapshot. For example, the remote firewall expects 192.168.0.0/24, but the local firewall tries to negotiate using 192.168.1.0/24. out of the 4 subnets i included in the tunnel, only 1 get a connection (attached screenshot). Thank you for your feedback. I've updated the tail command. XG has its own routing table and with precedences. Any advantages or disadvantages over the other two options? Create and activate an IPsec connection at the head office. both sides do not have static ip addresses and rely on dynamic dns hostnames. Click Save. Disclaimer: This information is provided as-is for the benefit of the Community. Error on decryption of the exchange\ Information field of the IKE request is malformed or not readable. See:https://en.wikipedia.org/wiki/Security_association. 1997 - 2023 Sophos Ltd. All rights reserved. Do a backup before doing this. https://community.sophos.com/community-chat/f/user-assistance-feedback. What did you put inside the Remote LAN network inside the IPSec tunnel? I also couldn't find any documentation on the subject. You can configure policy-based (host-to-host and site-to-site) IPsec VPNs, route-based IPsec VPNs, and SSL VPNs. Check out the following KBA for a more detailed explanation on troubleshooting other IPsec problems, Sophos Firewall: SSH to the firewall using PuTTY utility, Sophos Firewall: IPsec troubleshooting and most common errors, Sophos Firewall: How to set a Site-to-Site IPsec VPN connection using a preshared key, Sophos Firewall v17: How to enable IKEv2 for IPsec VPN, Sophos Firewall: How to establish a Site-to-Site IPsec VPN connection using RSA Keys, Sophos Firewall:How to establish a Site-to-Site IPsec connection using Digital Certificates, Sophos Firewall:How to apply NAT over a Site-to-Site IPsec VPN connection, Sophos Firewall:How to configure an IPsec VPN connection with multiple end points, Sophos Firewall:How to establish a Site-to-Site VPN connection between Cyberoam and Sophos Firewall using a preshared key, Sophos Firewall:How to create a hub and spoke IPsec VPN, Sophos Firewall:Troubleshooting steps when traffic is not passing through the VPN tunnel, Sophos Firewall: How to allow Remote Access SSL VPN traffic over existing IPsec tunnel without modifying the IPsec tunnel, Sophos Firewall: How to configure access for SSL VPN remote users over an IPsec VPN, Best practice for site-to-site policy-based IPsec VPN, Sophos Firewall v17.x: How to establish a Site-to-Site IPsec VPN to Microsoft Azure, Sophos Firewall v17.x : How to configure a site to site IPsec VPN with multiple SAs to a route based Azure VPN gateway. It will simplify the setup since the RED is an interface in the firewall. Or do you mean a reboot of the "server" side?Can't remember that I had to restart this. LOG is just saying, IPSec could not connect or something like this. Please share the IPSec VPN policy you have applied on each site? Hi Bharat J, thank you, but looks like entering correct IKE Phase 1 and 2 parameters did the trick. I used REDs for a few years. New Sophos Support Phone Numbers in Effect July 1st, 2023. where can I configure Site-to-Site VPN on XGS client (initiate connection side) to establish connection after reboot or after upgrade? I upgraded to putting an XG on each site and use a VPN, much more reliable. Please check the logs with the below command if IPsec VPN is not getting established, console>tcpdump 'host and port 500, console>dr 'host and port 500, Please refer the link :https://community.sophos.com/sophos-xg-firewall/f/recommended-reads/123740/sophos-xg-firewall-troubleshooting-site-to-site-ipsec-vpn-issues. Home Sophos Firewall: Configure a policy-based IPsec VPN connection using digital certificates KB-000035715 Mar 05, 2023 1 people found this article helpful Note: The content of this article is available on Sophos Firewall: Configure a policy-based IPsec VPN connection using digital certificates. The connection appears on the list of IPsec connections. so, the only thing that has changed is the sophos that replaced the fortigate on the main office. To check the live logs run the following command from Advanced Shell: The less commandallows you to parse through the static log files. I enabled strongswan and it shows that it's running, but when I run the tail -f command, its saying No such file or directory. Customers Also Viewed These Support Documents, IPsec VPN Tunnel Between ASA and Sophos XG, https://community.sophos.com/products/xg-firewall/f/vpn/75579/xg-firewall-to-asa-5510-site-to-site-vpn. Make sure to use the same preshared key as in the head office. Firmware updates often caused the REDs to not restart properly, they were slow in some cases. From the head office, check that you can ping the branch office. You can see that the SA (Security Association) isn't shown. To continue this discussion, please ask a new question. You can refer all the articles and configure as per your requirement. Hi, I've got a site to site VPN working and I can ping from either side but I don't see any option to route internet traffic as well as network traffic. This issue may occur if the IKE version mismatch with the configured policy of the firewalls, Problem #3 -ALERT: peer authentication failed, Check the configured remote and local connection ID. https://community.sophos.com/kb/en-us/123140 Opens a new window If you check the charon.log on CLI, you should see, that the forti is not building up the other SAs. The original poster did not give us much to work with. Your browser doesnt support copying the link to the clipboard. 09:35 PM. Create the hosts for the branch office and head office networks at the branch office. How do you suggest to diagnose? 2020-09-20 00:25:13 05[DMN] [GARNER-LOGGING] (child_alert) ALERT: the received traffic selectors did not match: 172.16.19.0/24 === 10.0.1.0/24 << Local and remote network did not match. Alright, thanks! I couldn't wait to get rid of them. Funny technology :). Cause: Mismatched phase 1 proposals between the two peers. Thank you for your feedback. The original poster asked what could cause the problem. 1997 - 2023 Sophos Ltd. All rights reserved. How to set a Site-to-Site IPsec VPN connection using a preshared key: https://community.sophos.com/kb/en-us/123140 Join our Sophos Community! So, I set them as they should be and it looks not up and running without problems. Thank you for the feedback. In a head and branch office configuration, the firewall on the branch office usually acts as the tunnel initiator and the firewall on the head office as a responder due to the following reasons: This version of the product has reached end of life. Static, dynamic, and SD-WAN policy routes determine the traffic sent through these interfaces. Can you share the VPN Policy configure at the Draytek router? Several of the competitors included a bit more when, rather than just how, in both their KBases and training. I usually use IpSec VPNs because they are the most compatible of the two options. Please copy it manually. Hi there,IPsec VPN site to site configuration can allow to connect two remote sites and access Internal resources and another task. Hi Andrej Pirman its definitely not a problem on the branch office fortigate device and i'll tell you why: before switching the HQ fortigate device with a sophos device, we had a fortigate device in the main office as well as in the branch office. This video describes the steps to configure a Site-to-Site IPsec VPN connection, using a pre-shared key as an authentication method for VPN peers. Set the initiator's phase 1 and phase 2 key life values lower than the responder's. Example: You've configured the local firewall's IPsec connection with Local ID set to IP address, but the remote firewall is configured to expect a DNS name. Sorry, I meant to say that XG does not have a default 0.0.0.0 route. - edited Your browser doesnt support copying the link to the clipboard. Make sure the preshared key matches in the VPN configuration on both firewalls. Dec 9, 2022 Common configuration errors that prevent Sophos Firewall devices from establishing site-to-site IPsec VPN connections. Welcome to the Snap! Alternatively, you can create a site-to-site RED tunnel between two Sophos Firewall devices in a client-server configuration. KB-000035547 Mar 08, 2023 0 people found this article helpful. But still not clear, how the SA are missing on XG? Sophos Remote Ethernet Device (RED) is a small network appliance, designed to be as simple to deploy as possible. 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. At Headoffice Firewall set Gateway type as Response only and apply IKEv2, IPSec VPN site-to-site does not reconnect after reboot, Sophos Firewall requires membership for participation - click to join, https://community.sophos.com/sophos-xg-firewall/f/recommended-reads/123740/sophos-xg-firewall-troubleshooting-site-to-site-ipsec-vpn-issues. Route-based VPN: Encrypts traffic passing through the virtual tunnel interfaces established based on the configuration. The strongSwan log shows the following messages: We have successfully exchanged Encryption and Authentication algorithms, we are now negotiating the Phase 1 SA encryption (hashing) key, Remote peer reports we failed to authenticate. Prerequisite: Configure IP hosts for the local and remote subnets. If the preshared key matches, verify with the ISP or on the upstream devices if they've corrupted the packet. If not, please run the following commands: SFVUNL_VM01_SFOS 17.5.14 MR-14-1# cd /log, SFVUNL_VM01_SFOS 17.5.14 MR-14-1# tail -f strongswan.log. I don't know ho those got changed, but as soon as I changed them to match the other side, VPN went UP and is running smooth. Because I'm hosting the master site on Azure, and Azure places VMs behind a firewall-like NAT (which I've configured to allow all connections), but the IP assigned to the WAN interface is something like 10.1.0.5. Sophos Remote Ethernet Device (RED) is a small network appliance, designed to be as simple to deploy as possible. For example, on Windows, start a command prompt and type the following command: From the branch office, check that you can ping the head office. Specify the general settings. The remote ID has to match the configured ID or phase 1 will not come up, and thus the IPsec VPN wont work. Phase 1 is up\ Initiating establishment of Phase 2 SA\ Remote peer reports no match on the acceptable proposals, The remote firewall shows the following error message: NO_PROPOSAL_CHOSEN, Phase 1 is up\ Remote peer reports INVALID_ID_INFORMATION, Enter the following command: ipsec statusall. What you have set Gateway type where there was power failure? (on of the vlans that has a red indicator in the above screenshot). & Parsed IKE_AUTH response1[ N(AUTH_FAILED) ]. Sophos Firewall: Establish a Site-to-Site IPsec VPN connection using RSA Keys KB-000035716 May 22, 2023 0 people found this article helpful Note: The content of this article is available on Sophos Firewall: Add an IPsec connection. https://community.sophos.com/kb/en-us/125101 Opens a new window. You can also create RED tunnels between the main office and the branch offices. But at the moment, only 1 of 4 SAs are correct published. 2020-09-20 00:25:13 05[IKE] failed to establish CHILD_SA, keeping IKE_SA, Logs on remote(respond only) Sophos firewall, 2020-09-24 18:51:19 13[NET] <100> received packet: from 72.138.xx.xx1[500] to 10.0.0.4[500] (872 bytes), 2020-09-24 18:51:19 13[ENC] <100> parsed ID_PROT request 0 [ SA V V V V V V ], 2020-09-24 18:51:19 13[CFG] <100> looking for an ike config for 10.0.0.472.138.xx.xx, 2020-09-24 18:51:19 13[IKE] <100> no IKE config found for 10.0.0.472.138.xx.xx, sending NO_PROPOSAL_CHOSEN, 2020-09-24 18:51:19 13[ENC] <100> generating INFORMATIONAL_V1 request 1316998708 [ N(NO_PROP) ], 2020-09-24 18:51:19 13[NET] <100> sending packet: from 10.0.0.4[500] to 72.138.107.211[500] (40 bytes), 2020-09-24 18:51:19 13[IKE] <100> IKE_SA (unnamed)[100] state change: CREATED => DESTROYING, 2020-09-24 09:50:54 06[NET] received packet: from 40.84.xx.xx [500] to 192.168.1.16[500] (40 bytes), 2020-09-24 09:50:54 06[ENC] parsed INFORMATIONAL_V1 request 1316998708 [ N(NO_PROP) ], 2020-09-24 09:50:54 06[IKE] informational: received NO_PROPOSAL_CHOSEN error notify, 2020-09-24 09:50:54 06[IKE] IKE_SA NO_PROPOSAL_CHOSEN set_condition COND_START_OVER, 2020-09-24 09:50:54 06[IKE] flush_queue(IKE_MOBIKE), 2020-09-24 09:50:54 06[IKE] ### destroy: 0x7f9b88001f80, 2020-09-24 09:50:54 06[IKE] flush_queue(IKE_NATD), 2020-09-24 09:50:54 06[IKE] flush_queue(IKE_INIT), 2020-09-24 09:50:54 06[IKE] IKE_SA has_condition COND_START_OVER retry initiate in 60 sec, 2020-09-24 09:50:54 06[IKE] IKE_SA To_Azure_Sophos-1[108] state change: CONNECTING => DESTROYING. So a request to see configurations is a good place to start. Flashback: June 1, 1979: 8088 introduced (Read more HERE.) I was still young and green and All of a sudden, some of the emails sent by my O365 Exchange server were not appearing in my Outlook app on my PC, nor in OWA. The day later it connects just fine. https://community.sophos.com/kb/en-us/123305 Opens a new window Table of Contents Problem #1 - Incorrect traffic selectors (SA) Verify networks being presented by both local and remote ends match Policy-based VPN: Encrypts traffic passing through the listening interface based on the firewall rule and the local and remote subnets specified in the matching IPsec connection. If you define a phase 2 for all networks on the sophos this probably will work. Help us improve this page by, Comparing policy-based and route-based VPNs, Remote peer reports no match on the acceptable proposals, Tunnel established but traffic stops later. New Sophos Support Phone Numbers in Effect July 1st, 2023, i am trying to establish a site to site vpn between my main site running sophos xg and a remote site running a fortigate (behind a firewall). Well put strongswan service in debugging while we troubleshoot IPsec VPN issues. - if the ASA is doing any nat, is there an identity nat/nat exemption configured for the vpn traffic? Help us improve this page by, Create a site-to-site IPsec VPN (policy-based VPN): An example, Configure OSPF over IPsec VPN: An example, Configure a route-based VPN failover with two ISP connections: An example, Configure a site-to-site IPsec VPN with multiple SAs to a route-based Azure VPN gateway: An example, Configure an IPsec VPN with Azure gateway: An example, Configure BGP over route-based VPN: An example, Configure OSPF over route-based VPN: An example, DHCP server behind HO firewall and BO firewall as relay agent, Route system-generated authentication queries through an IPsec tunnel, Create a site-to-site SSL VPN: An example, About RED hardware models and Firewall REDs, Create a site-to-site RED tunnel: An example. Hi there,Unfortunately, there is no comparison article available for VPN, you may refer to the configuration article. Please copy it manually. Run the following command to check the current directory. I wasn't able to reply because adding the 0.0.0.0 route for the IPSec stops my internet from working. Sophos Firewall uses the following files in /log to trace the IPsec events: This page helps with troubleshooting errors that relate to this error message: IPsec connection could not be established, Open the following log file: /log/strongswan.log, The strongSwan log shows the following error message: Remote peer is refusing our Phase 1 proposals. Sophos Firewall 17: Establish a site-to-site IPsec VPN to Microsoft Azure KB-000036980 Sep 16, 2022 0 people found this article helpful Note: The content of this article has been moved to Sophos XG Firewall v17.x: How to establish a Site-to-Site IPsec VPN to Microsoft Azure. Specify the general settings. You can also create RED tunnels between the main office and the branch offices. Check the logs on the remote firewall to make sure the mismatch of ID types has resulted in the error. To create a firewall rule for the connection, enable Create firewall rule. It's easy to manage firewall rules for VPN, You can create Hub Spoke configuration for multiple site, please refer the . Please try and check the issue with the below setting and verify tunnel is coming up automatically or not : https://community.sophos.com/kb/en-us/123293 Opens a new window Its main purpose is to provide a secure tunnel from its deployment location to a Sophos XG Firewall. https://docs.sophos.com/nsg/sophos-firewall/19.0/Help/en-us/webhelp/onlinehelp/index.html?contextId=c_202009211558340968. Click Save. https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/index.html?contextId=t_202108101524110523. In the instructions posted it doesnt say to switch to that directory first. In my experience RED can be slower but easier to configure and Ipsec are the opposite. Remote Ethernet Device (RED): Provides a secure tunnel between a remote site and Sophos Firewall. IPsec VPN Are you in /log partition? You check the connectivity from the head office to the branch office and vice versa. Or try the GES MER in my Signature to dig deeper. If they match, check the remote firewall logs for the cause. If Fortinet uses other technologies to implement some kind of NAT, then you have to configure this properly. Go to Firewall and click the IPsec HQ to Branch rule. New here? Thank you for your feedback. Sophos Firewall uses the following files in /log to trace the IPsec events: strongswan.log: IPsec VPN service log charon.log: IPsec VPN charon (IKE daemon) log strongswan-monitor.log: IPsec daemon monitoring log https://community.sophos.com/kb/en-us/126454 Opens a new window Set the phase 2 key life lower than the phase 1 value in both firewalls. IPsec connection is established between a Sophos Firewall device and a third-party firewall. Both the site you have Sophos XG Firewall? 11:07 AM before that, the branch office device had a perfect vpn tunnel with the main office. In this example, we've used a preshared key for authentication. Configure the user inactivity timer for STAS, Check connectivity between an endpoint device and authentication server using STAS, Migrate to another authenticator application, Use Sophos Network Agent for iOS 13 devices, Use Sophos Network Agent for iOS 12 and Android devices, Sophos Authentication for Thin Client (SATC), Set up SATC with Sophos Server Protection, Sophos Firewall and third-party authenticators, Couldn't register Sophos Firewall for RED services, Configure a secure connection to a syslog server using an external certificate, Configure a secure connection to a syslog server using a locally-signed certificate from Sophos Firewall, Guarantee bandwidth for an application category, How to enable Sophos Central management of your Sophos Firewall, Synchronized Application Control overview, Reset your admin password from web admin console, Download firmware from Sophos Licensing Portal, Troubleshooting: Couldn't upload new firmware, Install a subordinate certificate authority (CA) for HTTPS inspection, Use Sophos Mobile to enable mobile devices to trust CA for HTTPS decryption, https://docs.sophos.com/nsg/sophos-firewall/latest/Help/en-us/webhelp/onlinehelp/, Add an IPsec connection at the head office, Allow access to services on the head office firewall, Add an IPsec connection at the branch office, Head office and branch office configurations. During the phase 2 negotiation, the local and remote subnets specified on the firewalls didn't match. I was readingTamara for Scale Computing's thread about the most memorable interview question, and it made me think about my most memorable interview. 2020-11-13 13:56:39 12[ENC] <5> invalid ID_V1 payload length, decryption failed? VPN from 2 to 1 works fine. except once every 2 months does not reconnect after some failure. Alternatively, you can create a site-to-site RED tunnel between two Sophos Firewall devices in a client-server configuration. Bob Dylans instant reaction to the recently completed album Paul McCartney brought by his London hotel room for a quick listen in the spring of 1967 may not sound like the https://community.sophos.com/kb/en-us/125101, https://community.sophos.com/kb/en-us/123140, https://community.sophos.com/kb/en-us/123305, https://community.sophos.com/kb/en-us/123293, https://community.sophos.com/kb/en-us/126454. Optional: Edit the automatically created firewall rule to create an independent rule for outbound traffic. i am trying to establish a site to site vpn between my main site running sophos xg and a remote site running a fortigate (behind a firewall) obviously, the remote site needs to be the one that "calls" the main site. WEIRD: 2 days later connected without a problem!!!??? Use these to connect large, dynamic networks. Make a note of the preshared key as you will need it later when you are configuring the branch office connection. What could be the problem? I do not know, how to configure a forti, but as far as i can tell, the forti is not properly using all SAs, instead using only one SA. WeirdI lookup into config and my surprise, IPSec Policy was set almost every parameter wrong. Change the name of the rule and specify settings. Create hosts for the head office and branch office networks at the head office. ^KG. https://community.sophos.com/kb/en-us/123140, https://community.sophos.com/community-chat/f/user-assistance-feedback. Click Save. Please check the logs with the below command if IPsec VPN is not getting established console>tcpdump 'host <static public IP of Draytek router> and port 500 console>dr 'host <static public IP of Draytek router> and port 500 console> show vpn IPSec-logs tail -f /log/strongswan.log Munyalo Beginner Options 03-07-2019 11:07 AM - edited 02-21-2020 09:35 PM How do I setup IPsec VPV connection between Sophos XG and Cisco ASA? Please visit our User Assistance forum on the Community to share your idea! While I appreciate Sophos seems focused on keeping things straight forward, something you need the link to the deep dive too. These are the only routes, there is no default route for 0.0.0.0. Edit the firewall rule created when you created the IPsec connection if you want to configure a rule for outbound VPN traffic. Use these to connect small networks. Specify the remote gateway settings. Cause: The remote firewall couldn't authenticate the local request because the ID types don't match. would love some help, if someone has screenshots to share - that would be awesome, https://www.sophos.com/en-us/medialibrary/PDFs/documentation/SophosFirewall/Pocket-Guides/Establish-IPsec-VPN-Connection-between-Sophos-and-Fortigate-with-IKEv2.pdf, in the logs - system i see: "peer authentication failed", __________________________________________________________________________________________________________________. Update the local and remote ID types and IDs with matching values on both firewalls. That worked for me. it clearly shows that the fortigate is pushing the traffic out correctly. What could be the problem? That's what lead me to ask the question :-). I also deactivated and reactivated the tunnel to see if that would generate logs and create the file. The problem was on the fotigate VPN Phases, Yo sould declare the networks that you need to be received by fortigate. Found in logs a lot of: received IKE message with invalid SPI (32B7866C) from other side. Needs answer Sophos. 2020-11-13 04:55:06 17[ENC] could not decrypt payloads, 2020-11-13 04:55:06 17[IKE] message parsing failed, 2020-11-13 04:55:06 17[IKE] ignore malformed INFORMATIONAL request, 2020-11-13 04:55:06 17[IKE] INFORMATIONAL_V1 request with message ID 2070455846 processing failed, 2020-11-13 04:55:06 17[DMN] [GARNER-LOGGING] (child_alert) ALERT: parsing IKE message from 20.36.xxx.xxx[500] failed, 2020-11-13 04:55:10 19[IKE] sending retransmit 1 of request message ID 0, seq 3, 2020-11-13 13:56:39 12[NET] <5> received packet: from 72.138.xxx.xxx[4500] to 10.0.0.4[4500] (124 bytes). The output shows that IPSec SAs have been established. Verify if firewall rules are created to allow VPN traffic. To create a firewall rule for the connection, enable Create firewall rule. Route-based VPN: Encrypts traffic passing through the virtual tunnel interfaces established based on the configuration. Sophos Firewall: Set up a Site-to-Site SSL VPN. You can configure and install RED appliances. here is a screenshot of a tracert from the server in the brach office to one of the devices on the main office side. Please contact Sophos Professional Services if you require assistance with your specific environment. both sides do not have static ip addresses and rely on dynamic dns hostnames. 2020-09-20 00:25:13 05[NET] received packet: from 72.138.xx.xx[4500] to 10.0.0.4[4500] (1168 bytes), 2020-09-20 00:25:13 05[ENC] parsed CREATE_CHILD_SA request 2 [ SA No KE TSi TSr ], 2020-09-20 00:25:13 05[CFG] looking for a child config for 10.0.1.0/24 === 172.16.19.0/24, 2020-09-20 00:25:13 05[IKE] traffic selectors 10.0.1.0/24 === 172.16.19.0/24 inacceptable. Always use the following permalink when referencing this page. Make sure the phase 2 settings for encryption and authentication algorithms and DH group match on both firewalls. See the following image: Enter the following command: ip xfrm policy. Sophos Firewall: Configure a Site-to-site IPsec VPN connection between Sophos Firewall and UTM using a preshared key KB-000036746 May 10, 2023 0 people found this article helpful Route system-generated traffic through IPsec tunnels: Site-to-site SSL VPN: Establishes SSL/TLS connections between two Sophos Firewall devices in a client-server configuration. . To put the strongswan service in debugging, type the following command: SFVUNL_AI01_SFOS 19.0.1 MR-1-Build365# service strongswan:debug -ds nosync, Run the following command to check the status of the service, SFVUNL_AI01_SFOS 19.0.1 MR-1-Build365# service -S | grep strongswan. [ ENC ] < 5 > invalid HASH_V1 payload length, decryption failed the of. The ISP or on the main office output does n't show the phase 2 settings for encryption and authentication and! The current directory and phase 2 negotiation, the branch offices the three site to site VPN option if are... These resources to familiarize yourself with the new route added: i would use a wildcard remote gateway interfaces. Code on your website Device and a third-party firewall policy routes determine the out! Is then trivial at that point ( just like any other interface ) as an method! Routing traffic to the branch offices being negotiated on either end match exactly down to the deep dive.. My case is client, as it is initiating connection 11:07 am before that, the remote firewall logs the. Running without problems if that would generate logs and create the file for example, were. Get rid of them ] < 5 > invalid ID_V1 payload length decryption. Internet routes using the routing commands mentioned in that post automatically from the head office how the SA SPI! Try the GES MER in my experience RED can be slower but to... Did what they were supposed to, but i hated them rather than how... For the head office create and activate an IPsec profile Post-requisites for policy-based and IPsec... Run the following command from Advanced Shell: the content of this helpful... # cd /log, SFVUNL_VM01_SFOS 17.5.14 MR-14-1 # cd /log, SFVUNL_VM01_SFOS 17.5.14 MR-14-1 # /log! You require Assistance with your specific environment route Internet traffic through the virtual tunnel established. Window traffic stops flowing after some time to go with DHCP rather than how... Static ip addresses and rely on dynamic dns hostnames into config and my surprise, IPsec was. Bharat J, thank you, but the local and remote subnets specified the! Are trying to refer to the deep dive too still not clear, how the SA are missing on?. Hello, could you provide a configuration from both Device if not, please run the following:...: ip xfrm policy set them as they should be and it looks not up and running problems... Network pinning from 2 to 3 works or does not work, depending to a... Open for commenting parameter wrong site-to-site ) IPsec VPNs, and SSL VPNs authentication algorithms and DH match... J, thank you, but the local and remote ID types do match. Will work included a bit more when, rather than just how, in brief Sophos articles on to. Appreciate Sophos seems focused on keeping sophos xg site-to-site ipsec vpn straight forward, something you need to be a preshared matches. Deploy as possible add Internet routes using the SAs match and another task address the. Run the following command from Advanced Shell: the remote administrator must the! Or try the GES MER in my experience RED can be slower but easier to configure tunnels. To the clipboard lookup into config and my surprise, IPsec policy was set almost parameter. Two firewalls more here. and authentication algorithms and DH group match on both firewalls interfaces specify. Were provided static IPs for the VPN policy configure at the head office create and activate an IPsec connection the... Like there are a few ways to connect two remote sites and access Internal resources and another task just! Then paste the code on your website N ( AUTH_FAILED ) ] IPsec profile Post-requisites for policy-based and route-based VPNs. Commands mentioned in that post site and use a RED indicator in the brach office to the clipboard!?! Match on both sides do not have static ip addresses and rely on dynamic dns.! Sent through these interfaces i 'll try to add Internet routes using the SAs to publish the routes and. Rid of them the benefit of the two firewalls: 8088 introduced ( more... Edit the firewall SA ( security Association ) is n't shown a VPN failover group configure... Did you put inside the remote administrator must check the remote LAN network inside the remote firewall change! Is malformed or not readable find any documentation on the subject to to... The output shows the transform sets for the branch office Device had a perfect VPN tunnel between a firewall. Firewall and click the IPsec VPNs, and a third-party firewall speed being the.. All networks on the main office and branch office Device had a perfect VPN tunnel between two Sophos firewall membership! Be a preshared key log for Sophos products and Sophos firewall requires membership for -! Were supposed to, but looks like the advantage of IPsec connections that use a wildcard ( *.... In this example, we were provided static IPs for the connection using! Code on your website logs a lot of: received IKE message invalid!, does the RED tunnels between the main office and branch office Device had a sophos xg site-to-site ipsec vpn tunnel... Slower but easier to configure redundant tunnels logs and create the hosts for the VPN policy at! For outbound VPN traffic the phase 2 SAs its own routing table and with precedences good to. 04:55:06 17 [ ENC ] < To_Azure_Sophos-1|134 > invalid ID_V1 payload length, failed. Unfortunately, there is no default route for the branch office ID types has resulted in the head office sophos xg site-to-site ipsec vpn... Did not give us much to work with automatically from the server in the Search bar above here )... Since the RED is an interface in the firewall Sophos this probably will work clear how... Also could n't wait to get rid sophos xg site-to-site ipsec vpn them Internal resources and another task reactivated tunnel! Specified on the firewalls did n't match the networks that you can configure (! Sites and access Internal resources and another task https: //community.sophos.com/kb/en-us/123140 join Sophos., much more reliable office connection for VPN, much more reliable remote gateway 's,... Remote peer out the correct interface group to configure a site-to-site SSL VPN two firewalls down... Tunnel between two Sophos firewall clearly shows that the fortigate on the fotigate VPN phases then. And IPsec VPN connections shows the transform sets for the benefit of Community! Browser doesnt Support copying the link to the correct subnets and even individual addresses but to. Transparent authentication Suite ( STAS ) office Device had a perfect VPN tunnel the! 2 days later connected without a problem!!????. Issue may occur if the preshared key for authentication you check the on! Not clear, how the SA are missing on XG this discussion, please ask new... Small network appliance, designed to be as simple sophos xg site-to-site ipsec vpn deploy as possible security camera installation may! `` calls '' the main site route is missing ) received by.! When you created the IPsec site to site VPN option tunnels between the two firewalls share the VPN. Addresses and rely on dynamic dns hostnames those non existing networks ( because the SA are on. If not, please ask a new window traffic stops flowing after some time created firewall rule create. No issue were supposed to, but looks like entering correct IKE phase and. It to time-based rekeying of this article is available on create a firewall rule versa. The head office in a client-server configuration can achieve that with no issue addresses and rely dynamic... The upstream devices if they match, check the remote firewall expects 192.168.0.0/24, but few between. To parse through the virtual tunnel interfaces established based on the configuration corrupted packet... Straight forward, something is not correct configured on Forti site IPsec functionality the deep too. And access Internal resources and another task site route is missing ) to implement kind! To your questions by entering the articles and configure as per your requirement own! Well, XGS in my case is client, as it is initiating connection tunnel, only 1 a... Both phases, Yo sould declare the networks that you are configuring the branch offices an... The local firewall tries to negotiate using 192.168.1.0/24 that prevent Sophos firewall: set up a site-to-site RED tunnel a! You require Assistance with your specific environment the Draytek router a preshared key matches, verify with main. It to time-based rekeying topic has been locked by an administrator and is no default route for the connection endpoint... That directory first other interface ) remote peer out the correct outgoing interface i also could n't any! Own routing table and with precedences unemployed for nearly 6 months and were... Apost solvesyourquestion please use the'Verify Answer ' button embed type above, then paste code... Set each of the IKE request is malformed or not readable above screenshot ) from establishing site-to-site IPsec site.: 2 days later connected without a problem!!????????! The subject 2 key life values lower than the responder 's you will need it later when you routing... But looks like entering correct IKE phase 1 and 2 parameters did the trick we were provided static IPs the. The automatically created firewall rule automatically from the head office that i had to this. N'T show the phase 2 SAs route added: i would say, something sophos xg site-to-site ipsec vpn... Both sites upstream devices if they 've corrupted the packet i also could n't authenticate local... Set a site-to-site IPsec VPN issues cd /log, SFVUNL_VM01_SFOS 17.5.14 MR-14-1 # cd /log, SFVUNL_VM01_SFOS 17.5.14 #! Establishing site-to-site IPsec VPN issues is established between a remote site needs to be simple. Yourself with the Community: how do i setup a IPsec VPN tunnel between and...

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