Ports that M3 Uses
Outbound Connections
Note that all machines require unfiltered outbound access. 'All Machines' comprises the M3 Server, the VPN Server, the Monitoring Server and the FreePBX Clients. Please ensure that no filtering is in place. (NAT is fine)
Inbound Connections
M3 Server
80/TCP (http)
443/TCP (https)
Monitoring Server
4567/TCP (Sensu API)
5671/TCP (RabbitMQ)
OpenVPN Server
1194/UDP (OpenVPN)
FreePBX Clients
22/TCP (ssh) – Only from Monitoring Server
1194/UDP (OpenVPN) – Only from OpenVPN Server