Have just installed Zammad 2.9 on CentOS 7. Made changes to zammad.conf (only changed the server name to ‘zammad.mycompany.com’). Followed all instructions in zammad documentation.
From internal network (LAN) everything works -> in browser opens page http://zammad.mycompany.com, can open ssh to host, even can ping it.
Have router with NAT 1-1.
Here arise the problems - can’t access the server from external (no 80 port, no ssh, no ping).
How to solve this?
P.S. have another web-server with apache on it and also NAT 1-1 -> everything works perfect.