Nothing helps. UFW is just blocking everything...
I've tried everything... Allowing all out ports for DNS on vmbr1, on eno1, even tried: iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT, but it doesn't work.
UFW is set to allow outgoing port 53 from anywhere.
Here's what I get from running tcpdump -i vmbr1 udp port 53:
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on vmbr1, link-type EN10MB (Ethernet), capture size 262144 bytes
15:35:45.817737 IP...
Thanks guys for replys!
I checked /etc/resolv.conf on one of the CTs and it returned all DNS servers I specified on Proxmox. All of them, 8.8.8.8, 8.8.4.4 and 1.1.1.1
Because the server has only one external IP, I'm using internal NAT.
The problem is, that I can't ping (reach) domains on my VMs and CTs, but I can ping (reach) digit IPs.
Here's some screenshots:
Here is my interfaces configuration:
source /etc/network/interfaces.d/*
auto lo
iface lo inet...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.