HTTP uses 80, HTTPS 443 and SSH 22. A firewall decides which ports outsiders can reach.
Port
A number from 0 to 65535 that directs network traffic to a particular program on a server.
A number from 0 to 65535 that directs network traffic to a particular program on a server.
HTTP uses 80, HTTPS 443 and SSH 22. A firewall decides which ports outsiders can reach.