1. T

    Firewalld hard troubble on HTTP/HTTPS

    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...
  2. U

    IPtables rules to NFTables rules

    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...
  3. A

    firewalld: update timeout of an ipset entry

    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 timeout N -exist but firewalld doesn't seems to implement this feature according to the manual (man), which is a...
  4. A

    Testing the knowledge on iptables and firewalld

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

    firewalld function : add/remove iptable module

    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...