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2019 May 31
2
Easy solution for custom firewall rules- is it possible?
Hello All-
I've looked in several places and haven't found an answer to this
question: is it possible to have libvirt add custom rules to iptables
for virtual network interfaces? I took a look at the "Firewall and
Network Filtering in Libvirt" page and it seems overly complicated for
what I want to do.
Given an interface virbr2 and its network 192.168.4.0/24, libvirt
installs
2019 May 31
0
Re: Easy solution for custom firewall rules- is it possible?
Hi,
libvirts nwfilter module can achieve that.
I'm currently working on opt-out patches to disable that functionality
if wished. I also don't use firewalld.
It's both paternalizing and annoying and takes away user flexilibity in
exchange for nothing.
anyways
Check the nwfilter page to write own filters for the beginning:
https://libvirt.org/formatnwfilter.html#nwfwrite
some more info:
https://www.redhat.com/archives/libvir-list/2010-June/msg00762.html
https://access.redhat.com/documentation/en-us/red_hat_enterpri...