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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 and it cant ping or resolve the name

thanks,

rob

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0 rfcat_vk over 3 years ago

Hi,

you should have the DNS on the Network -> DNS page. What are you using for your LAN devices, the internal XG interface address they talk to to?

Ian
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0 Sophos User1175 over 3 years ago in reply to rfcat_vk

ok tried changing the dns to my ISPs one instead of using googles dns but still the same result, i cant resolve hostnames, maybe it needs an internal dns on the LAN?
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0 rfcat_vk over 3 years ago in reply to Sophos User1175

Hi,

that was what I asked, what are you usng for your internal DNS?

I use the interface IP address as the DNS, but as you can see from the screenshoot you can change that.

Ian
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0 Sophos User1175 over 3 years ago in reply to rfcat_vk

Where is that page from Ian, as its not under network > dns
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0 rfcat_vk over 3 years ago in reply to Sophos User1175

Network -> DHCP when you open your DHCP server settings.

Ian
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0 rfcat_vk over 3 years ago in reply to rfcat_vk

If you choose to use the devices dns, you will need to add a rule to allow lan devices access to port 53 .

ian
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0 rfcat_vk over 3 years ago in reply to rfcat_vk

If you choose to use the devices dns, you will need to add a rule to allow lan devices access to port 53 .

ian
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