› VitalPBX Community Support › General Discussion › Updated 9/21/2019 and firewalld is not working. › Reply To: RE: Updated 9/21/2019 and firewalld is not working.
This a known issue by Centos & Redhat: https://bugs.centos.org/view.php?id=16425&nbn=7
You may fix this on VitalPBX removing the mdns rule from the firewall.
