• Routing Site-to-Site VPN Traffic on same Domain Computers

    Kyle Hesser
    Kyle Hesser
    Currently, I have a Site-to-Site VPN, with split tunnels to specific IP's and networks, setup on both Sophos firewalls and they are working fine. BIGGEST THING TO REMEMBER , the branch office needs to have their computers on our internal Domain. The…
    • Answered
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • block all internet DNS services except 3

    joefirewall
    joefirewall
    Hello, We want our lan users to not be able to change their dns settings on their computers or browsers to use other dns services available on the web. We want to only allow access to these two dns servers : 208.67.222.222 and 208.67.220.220 (these…
    • Answered
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Sophos Connect DNS issue for remote LAN devices

    Paul Warriner
    Paul Warriner
    Having issues resolving LAN devices. The Sophos Connect clients have proper DNS servers assigned, and reflected in connection. DNS device access is allowed for VPN zone. No remote devices will resolve, NSLOOKUP example: *** UnKnown can't find…
    • Answered
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • The Sophos XG135 is not returning any DNS name resolution if we don’t “reconnect” the RJ45 cable.

    Samuel Venker
    Samuel Venker
    Hello ! Can someone support me in a “weird” issue please ? Problem : The Sophos XG135 is not returning any DNS name resolution if we don’t “reconnect” the RJ45 cable. When any PC on Windows 10 boots, they cannot access the DNS server which is our…
    • Answered
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • WAN Failover does not work on XG - DNS?

    Dave Hayes
    Dave Hayes
    Hello...We have an XG firewall configured with (2) WAN interfaces. The primary is a cable connection from COX. We have a second one configured as a Backup in the WAN link manager that is pointing to a CradlePoint router with a Cellular SIM installed.…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Ping from VLAN only with FQDN

    Bastian Seidemann
    Bastian Seidemann
    Hello Community, i have a problem. on my xg i have 2 Networks: 1. 172.20.10.x (Default LAN) 2. 172.20.8.x (VLAN8) Both have his own DNS Server: 172.20.10.x --> DHCP with DNS 172.20.10.1 172.20.8.x --> DHCP with DNS 172.20.8.1 i added all…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Sophos XG bombarding my pihole with google domain queries

    Marco Nachtrab
    Marco Nachtrab
    Hi, my question relates to this older discussion, which left the problem unsolved: https://community.sophos.com/sophos-xg-firewall/f/discussions/123391/constant-dns-lookups-for-google-domains * I have directed the sophos xg to use my pihole as…
    • Answered
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • XG does not detect ATP that has been detected by UTM

    LHerzog
    LHerzog
    We just received an alert from an upstream SG UTM Firewall that the downstream XG firewall was blocked by SG due to ATP. This is DNS traffic towards namecheap DNS servers. Probably for for718-whileteam__heldlead__com (__ is a dot .) 2021:04:09-13…
    • Answered
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Surfing: Websites build up very slowly

    FH1
    FH1
    Since I switched from the sg135 to the xg135, Websites build up very slowly. As DNS, I use my local DNS-Server. Here is my firewall-rule LANtoWAN:
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Dns problem

    Nikola Alokin
    Nikola Alokin
    Hi I have a problem with DNS resolving. I have one lan network which is 192.168.0.1/24 and another wifi network that has 192.168.100.1/24. I have a WIN 10 PC with IP 192.168.0.105 on which there is a HYPE-V WIN 10 PC with ip 192.168.0.151. On this …
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • DNS Issues

    Nathan Bolen
    Nathan Bolen
    Hello, I have a user who is utilizing the Sophos XG 86w firewall for a home office. They way it is set up has her home internet split to allow her work network as well as her home network. She connects to the networks via wireless. So she has an SSID…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • DNS queries failed with external DNS

    Robo
    Robo
    Hi, I have a strange problem with DNS: When DNS server is set to an external server, the FW can´t resolve any name -> Networking -> Zones -> "my Zone" -> DNS is checked -> Networking -> DNS -> static -> DNS1: 1.1.1.1 -> Firewallrule any/any (for…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • XG-Home v18: many DNS request for nothing

    Leo4711
    Leo4711
    Hi, I have installed the Sophos XG Home editon to be used as central firewall. First of all, for the moment everthing works fine. But what I can't belive is, this firewall alone creates per hour 3000 DNS request, for any google, yahoo and some other…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • DNS Lookup Issue

    Aland Coons1
    Aland Coons1
    DNS lookup started failing today but only for one website. Results return as 0.0.0.0 and page loads in browser report DNS_PROBE_FINISHED_NXDOMAIN Compare the results of a DNS lookup against router vs. against the external DNS server directly: ipconfig…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Reverse DNS lookup on Sophos XG v18

    dempie
    dempie
    Hi, I am using Sohos XG, version SFOS 18.0.4 MR-4. It seems the way I configured DNS doesn't work for reverse DNS lookup of the firewall software itself. Please see attached screenshot. My DNS configuration looks as follows: -All clients use Sophos…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Slow page and email photo load

    breda
    breda
    We noticed that webpages and email photos are loading slow on our XG125 Even the web interface for the XG Firewall seems to load slowly we have checked with our ISP and there are no problems with our cable modem, we also disabled the IPS and Web filtering…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • XG Firewall Home -Bridge Mode

    Zaahid Bayat
    Zaahid Bayat
    Good day. I am new to networking and firewalls and I'm not sure if i setup the firewall correctly My home setup consists of a ADSL modem(bridge mode)> Mikrotik Router HAP AC2 >PI Hole DNS> Switch,. the ADSL(only service available where I stay )…
    • Answered
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • FQDN Host not updating? - Allow HTTP/ HTTPS Traffic to FQDN Host

    Jonas Wilkening
    Jonas Wilkening
    Hello together, I am trying to allow traffic to specific websites using firewall rules with FQDN-Hosts as Destination. Unfortunately this is not alwas working as expected: I try to reach github assets under https://github-production-release-asset…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • Strange DNS request with Sophos Firewall as DNS Server

    Jonas Wilkening
    Jonas Wilkening
    Hi guys, i am not quite sure if I am studpid and overseeing something obvious or if my sophos is behaving strange. I am using Sophos XG in Microsoft Azure and have set Sophos XG as DNS Server for all systems. Traffic from all Systems to Sophos…
    • over 3 years ago
    • Sophos Firewall
    • Discussions
  • identify the ip of the object sending DNS requests to XG

    Hank_th3_Tank
    Hank_th3_Tank
    Our XG firewall is also running as a DNS server. We have a device sending DNS requests to our firewall trying to get the ip for a malicious domain, and we are trying to identify the ip of the device sending the requests. From what I can see XG…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • Configuring DNS right?

    maurosfos
    maurosfos
    Hi there I have read a lot in the community but did not found any post who helped me. Try to keep it simple. I have two LAN ( LAN1 10.2.80.0, LAN2 192.168.2.0) DNS ist a Rasp PI > PiHole (10.2.80.222) In the DNS Option from the XG I have set: DNS…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • Ubuntu 20.04 VPN Name Resolution

    Troy Weber
    Troy Weber
    I'll try to keep this short and concise with helpful images where appropriate. For Ubuntu 20.04, I download the OpenVPN config "for Android", because "for other OSs" does not work. Using the gnome network manager, I import the OpenVPN file. I'm able…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • XG continually crashing on any version past 17.5.0

    Jeremy Parr
    Jeremy Parr
    We have a few dozen XGs deployed, ranging from 105s to 210s. Most of these have very similar configurations, nothing crazy, AD authentication, Sophos Central Heartbeat, SSL and IPSec VPN, IPS/IDS, etc. At one specific site we have an XG125 that was…
    • Answered
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • Sophos XG v18MR3 SophosConnect v2. Problems with IPv6 and DNS

    D Goese
    D Goese
    Hello all, thank you for reading and hopefully someone has an answer or a workaround. We have the a Problem with DNS resolution on SophosConnect VPN Clients. If someone is connected with our vpn profile and has IPv6 enabled on the network interface…
    • over 4 years ago
    • Sophos Firewall
    • Discussions
  • Policy Based DNS Selection

    JET IT
    JET IT
    Hello Sophos Community, I have setup the Sophos XG 115 to have two WAN links in Active Backup mode. I have setup 2 Policy Routes so that destinations in Asia goes through WAN1 and destinations in USA goes through WAN2. Everything works just fine. However…
    • Answered
    • over 4 years ago
    • Sophos Firewall
    • Discussions
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