this post was submitted on 23 Jul 2023
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6
Proxmox OPN sense DNS issues (programming.dev)
submitted 1 year ago by [email protected] to c/selfhosted
5 comments fedilink hide all child comments
 

I currently have OPNsense setup inside a proxmox server, and I am having trouble connecting to the internet. It seems like it could be related to DNS. When I ping www.google.com from my lan client (a fedora machine), I get “name or service not known”. When I ping 8.8.8.8 it is successful.

If I use OPNsense diagnostic interface and try to ping www.google.com it is also successful.

I’m not sure what’s going on here. I’m somewhat new to this.

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[–] panja 1 points 1 year ago (2 children)

What are you getting for your dns server from dhcp?

[–] [email protected] 1 points 1 year ago (1 children)

Grep "nameserver” /etc/resolve.conf , shows 127.0.0.53

[–] [email protected] 1 points 1 year ago

In the settings for the DHCP on your local network what do you have set for your DNS Server? If that setting is empty try filling it with 1.1.1.1 (or whatever DNS server you want).

[–] [email protected] 1 points 1 year ago (1 children)

I recommend getting a PCIE Nic and passing it through to the VM. But you can check to make sure the firewall built into Proxmox is disabled, might be the issue.

[–] [email protected] 1 points 1 year ago

Yeah, that's what i have. I setup the two ports on the card for wan/lan and passed them to the VM. I could try disabling the firewall in proxmox.