Hi Kenneth, On 22-12-2021 22:39, Kenneth Porter wrote: > --On Wednesday, December 22, 2021 8:03 PM +0100 Patrick via CentOS > <centos at centos.org> wrote: > >> Error: INVALID_RULE: internal error in _lexer(): rule family="ipv4" >> source NOT address="46.23.XX.0/24" forward-port port="53" protocol="udp" >> to-port="60053" to-addr="46.23.XX.53" > > If you don't get help here, you might try one of the firewalld mailing > lists or other support resources here: > > <https://firewalld.org/community.html> > > I'm curious to hear what you discover. (This might be a bug that > warrants a patch for the CentOS package.) Thanks for the pointer. I'll follow up with the firewalld ML and if anything surfaces will let you know. Best, Patrick