5/27/2023 0 Comments Iptables examples![]() # update-alternatives -set ip6tables /usr/sbin/ip6tables-nft The default starting with Debian 10 Buster: # update-alternatives -set iptables /usr/sbin/iptables-nft You can switch back and forth between iptables-nft and iptables-legacy by means of update-alternatives (same applies to arptables and ebtables). There are many other system components that can integrate with firewalld, like NetworkManager, libvirt, podman, fail2ban, docker, etc. The firewalld software takes control of all the firewalling setup in your system, so you don't have to know all the details of what is happening in the underground. It is recommended to run ?firewalld, which integrates pretty well into the system. You should consider using a wrapper instead of writing your own firewalling scripts. Some hints folks might find interesting in some situations.
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