Firewall in LXC containers

HMG

New Member
Jun 5, 2018
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Hello,
I use ProxMox 5.2, and I can't activate firewall in containers. I activate firewall check in Network tab in the container. Later in Firewall > Options > I put Input and Output policy in DROP.
But doesn't work. I do same in KVM machines, and it works fine.
I forgot something?