Can a LXC container have a fully working firewall with a private network IP?

S

Skyrider

Active Member
May 11, 2020
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Seeing I only have a single IP address, I've created a private network for my LXC containers using masquerading. Does this mean I have to set all firewall rules from the host to be effective on all and or specific containers?

From what I recall on my non-prox server (soon to be merged with prox), All of the firewall rules I've added inside a container had no effect. I was forced to set up the nginx reverse proxy on the main host so I was able to use fail2ban rules as having fail2ban inside a lxc container was pointless if the rules weren't working.

I assume this is also the case on proxmox?
 
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To add as additional info. The network file is using masquerade and raw prerouting fwbr+ with CT zone 1.

The datacenter and main node firewall is working as it should. But all firewall rules I apply to the containers doesn't.
 
Don't wish to triple post, but this was made almost 4/5 days ago.. Really no one knows?
 
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