Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

  • Unable to access specific web site

    Hi everybody, I have been using Sophos XG 135 for now 2 years. But i have juste noticed that from office (behind sophos firewall) we are unable to access this website bellow. - Web site: https://e-impots.gouv.ci/ - Error message : " Ce site…
  • DNS request route sub-domains

    Is there a way to make a dns request route apply to all sub-domains? Example: dns request route for domain.com would also apply to sub.domain.com and sub.sub.domain.com
  • Sophos XG route branch office network to Head office, Branch office Sophos XG DNS queries fail

    Hi All, We have a ipsec tunnel from the Branch office to the Head office. We used this KB ( https://support.sophos.com/support/s/article/KB-000035798?language=en_US ) to route traffic from a specific subnet at the branch office to the WAN of the Head…
  • Sophos XG reverse DNS with Windows Server

    Hello, we have simple setup with our network. Now we added vlans for our wifi. (multiple, one for guest , notebooks, smartphones) If i get it correct it would be much safer of security point to let the Sophos XG getting all dns request right?…
  • Delay in loading first web page only

    Hi everyone, I'm a long time UTM user that just made the cut over to Sophos Firewall and I've got one nagging issue that I can't figure out. The first time a user goes to browse a web page, there is a delay of 10-15 seconds or so. Once you get past that…
  • dynamic dns issue

    Hello guys! Long time UTM user, absolute newbie when it comes to XG..Anyway.. I need one specific thing. I have 3 dynamic dns hostanames. And one internal webserver. e.g. 10.10.10.1 I need to use WAF and redirect first.dyndns.com to 10.10.10.1 …
  • Sophos XG as DNS server doesn't respond to DNS queries on WAN interface

    Hi! I installed Sophos XG VM in my home and I'm testing it and probably will use it for my home net and lab. Sophos runs as a VM on my homelab server. I have 2 ubnets there: 1. 192.168.1.0/24 - called Outside wih FW WAN interface attached to it…
  • Why XG asks not configured DNS servers?

    Hi, noticed this behavior: - XG configured for 3 DNS servers - on upstream device only those 3 DNS servers are allowed for XG - occasionally XG sends DNS request to many other DNS servers and these are denied by upstream device - issue on 18.5.1 and…
  • XGS as DNS server: Figured it out

    Couldn't delete the post, so am editing it. I figured out how to add the XGS as the DNS server: in DHCP, uncheck the box to use the DNS settings and set the interface IP as the DNS server.
  • SSL VPN client groups with different DNS server settings

    Is it possible to setup 2 groups for SSL VPN where each group has its own DNS settings? I have 2 AD domains on my LAN and want to have clients for AD1 get the AD1 DNS servers and the AD2 clients get AD2 DNS servers. Thanks.
  • Sophos XG v17.5 - SSL VPN Single Client Network Route Trouble

    System Configuration: 2x XG125s in an HA Pair running SFOS 17.5.15 MR-15. We have two ISP connections feeding separate unmanaged switches which feed Two WAN ports on both units. (ISP->UNMANAGED SWITCH->WAN Port). This enables failover for ISP Failure…
  • DNS lookup to the XGS through a SSL VPN tunnel

    [EDIT] I misunderstood how DNS queries to addresses like 8.8.8.8 are routed. They do go through the VPN tunnel. My question -- which I can't seem to delete, so I am rewriting -- had to do with wanting to make the XGS be my DNS server, through an SSL…
  • Can't Ping/reach Client Connect ipsec Client

    Hi All, I'm currently testing migrating from the SSL VPN client to using The Connect Client with ipsec. I've set everything up and can connect without issue. I'm also able to resolve devices within the lan, ping them, access resources but no matter…
  • Site-to-Site DNS

    Hello all, I have 2 locations (HO & BO) each behind their own XG Firewall. I have created a Site to Site VPN and everything works via IP but not by DNS. The Setup is as follows: All servers are hosted in the HO. There are no servers in the BO. S…
  • facing issue while accessing server using DHCP provided DNS of firewall

    hi. i have XG210 (SFOS 17.5.14 MR-14-1). it is also acting as DHCP server and giving ip to clients.in DHCP i configured DNS server of my local server i.e, domain controller. today i start having issue the i m not able to access the server placed in my…
  • 2 DNS, but only use 1 for phonesystem

    Hi, I have two WANs connected on my Sophos XG SFOS 18.5.1. The DNS is configured with " Obtain DNS from PPPoE". My Problem now is, that my PhoneSystem is using DNS from the Sophos. But it may only use the DNS from WAN2 and not from WAN1. How…
  • High Memory Usage on XG Virtual - possibly related with dns server

    Hi, i configured some clients in the network to start using the XG as dns server on saturday mid-day. After this you can see the memory usage ramping up, is possible that there is a memory leak? Fw is on SFVH (SFOS 18.5.1 MR-1-Build326)
  • Sophos DNS host entry fail

    We have a public wildcard DNS record configured (*.domain.com) so if someone puts in asdf.domain.com, it will still go to our main website www.domain.com. On the Sophos firewall, I have set up many DNS host entries in Network --> DNS, with the idea…
  • Request: Dynamic DNS Custom

    HI, Since myfirewall.co stops working, I would appreciate if you can add the ability to add a custom option. If you cannot add that option, I would appreciate if you can add the entry for my provider joker.com/.../what-is-dynamic-dns-dyndns.html Th…
  • IPsec VPN client DNS server 8.8.8.8 - SLOW INTERNET

    Hello, We just set up IPsec client VPN. The DHCP pool is 10.81.234.5-10.81.234.55. "Use as default gateway" is unchecked. Originally, we had 8.8.8.8 in the DNS Server 1 field. Secondary DNS field left blank. When we'd connect to the VPN, internet…
  • DNS Troubleshooting

    I am running the latest XG release and am finding that sometimes DNS resolution is stopping. The Firewall is responsible for DNS requests. The problem tends to go away on its own by just waiting or I can force it by restarting the DNS service. Any suggestions…
  • Constant DNS lookups to google domains and others in FQDN hosts - FIX

    I found a few similar questions from different people over the years as to why their XG makes constant DNS lookups to huge amounts of domains with none of the posts having a useful answer. Unfortunately all those threads were locked due to age so I've…
  • Sophos XG - Redirect internal DNS traffic to different WAN interface

    Hello, I have a XG with two interfaces in WAN zone (because I need a gateway for both) in a data center housing scenario. Let's call the interfaces WAN-int and WAN-ext. WAN-ext has a public IP-address and WAN-int has a private IP-address. …
  • how to add dns to sophos xgs firewall

    hi all, on the sophos xgs firewall on the diagnostics i can ping 8.8.8.8 but i cant ping google.co.uk under "network > dns" i have added a few dns ips in there but when i go back to diagnostics ping, i type in google.co.uk, ipv4, select my wan interface…
  • DNS server behind XG firewall NAT

    Hello community, Recently i was asked to migrate an existint configuration from a router to XG firewall and here is the scenario : an application running in my local server with the name : transmission.local.co IP@ is 192.168.62.11 DNS serve r…