Oh nice, that makes it work! So separate rules are needed for the traffic coming in from the outside, and traffic coming "in" from the internal VM bridge. Makes sense. Thank you very much!
If I understand your post correctly, then
* pinging the DNS server from the host works
* DNS resolution on the host works
* DNS resolution in the container does NOT work
* but pinging the DNS server from the container works (?)
Can you "manually" resolve domain names e.g. using dig -t A...
Maybe I can approach the problem from a different angle: Is my setup very uncommon? Anything that you wouldn't expect, or that you would've done differently?
This is not only a problem for services connecting back to "themselves" via their external address, but also for the monitoring VM (using...
Hey,
I have a dedicated server with 1 public IPv4 running Proxmox VE, set up using the Masquerading technique described in the documentation (https://pve.proxmox.com/wiki/Network_Configuration#_masquerading_nat_with_tt_span_class_monospaced_iptables_span_tt) with port forwarding. All guests have...
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