I am trying to see if a port i have opened in firewalld is actually accessible from outside.
The reason for this is because i have had some problems with automatic provisioning modules (Blesta) accessing the server to interract with it for user accounts and webhosting services.
added allowed port "2304"
A check of firewall rules returns the following:
interfaces: ens3 lo
services: ssh dhcpv6-client smtp smtps ftp pop3 pop3s imap imaps http https
ports: 587/tcp 53/tcp 20/tcp 2222/tcp 10000-10100/tcp 20000/tcp 1025-65535/tcp 53/udp 2304/tcp
However, if i run a tcp scan using mxtoolbox
i get "refused"
So my understanding is that there are two reasons for this... 1. the port is blocked 2. nothing is listening on said port
I am running both blesta and whmcs on different virtual sub servers. How can i check whmcs and blesta are able to communicate in or out of the firewall through this port whenv provisioning services on other external systems?