firewalld

Hello, I am in a really trouble i don't understand why it can't works, if someone could help me it would be really nice ! I run 3 machines on virtualbox described below, centos8 stream is the virtual router and firewall DHCP and DNS server But I cant have access to web browsers or http/https...

OS: Debian 11 x86_64 I am looking to convert some of my iptable rules to nftables. I have tried to use iptables-translate, but it is not translating all of my rules. My original iptables script: #!/bin/sh sudo apt install iptables # accept ports 500 and 4500, required for IKEv2 sudo...

I have been trying to figure out how to update the timeout of an ipset entry, with no luck so far, when using native ipset I would just simply use: $ ipset add foo 192.168.0.5 timeout N -exist but firewalld doesn't seems to implement this feature according to the manual (man), which is a...

I want to test my knowledge on iptables and firewalld. Prompt online tests.

I see that there are parameters to addmodule/removemodule, but they're ignored. Why ? --addmodule=<module> Ignored option, was used to enable an iptables module --removemodule=<module> Ignored option, was used to disable an iptables module Will firewalld continue to finish the...