Hi!
Recently I implemented my Sophos XG as local DNS server, but it does not resolve public DNS names.
My setup is that I have some router working as DHCP server. Sophos is "work in progress", with WAN interface on the same subnet as router. It also has LAN interface (but LAN is not in use yet, until all services I need work fine)
Some details:
- LAN is 192.168.1.0/24
- Router: 192.168.1.1
- Sophos XG working as DNS server: 192.168.1.5 (on it's WAN interface)
Sophos does resolve public and local names, config below:
Public works:
Local works:
While on my PC connected, only local DNS works:
C:\Users\Shadow>ping mcrosoft.com
^C
C:\Users\Shadow>ping vcenter.home
Pinging vcenter.home [192.168.1.7] with 32 bytes of data:
Reply from 192.168.1.7: bytes=32 time=2ms TTL=64
Ping statistics for 192.168.1.7:
Packets: Sent = 1, Received = 1, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 2ms, Average = 2ms
C:\Users\Shadow>nslookup microsoft.com
Server: sophos-out.home
Address: 192.168.1.5
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to sophos-out.home timed-out
C:\Users\Shadow>nslookup vcenter.home
Server: sophos-out.home
Address: 192.168.1.5
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
Non-authoritative answer:
DNS request timed out.
timeout was 2 seconds.
Name: vcenter.home
Address: 192.168.1.7
I think FW rules should be ok.
But it doesn’t work.
How to make Sophos to resolve local DNS entries and work as public DNS forwarder?
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