> But some questions I have here: > > What's the benefif of preferring > either "--dport ssh" > or "--dport 22"? It's the same. Look in /etc/services for service-names you can use. You can use the notation that you prefer. > And, what's the means for "bindind the ssh server to a higher port"? A "higher port" means a portnumber somewhere above 1024. Normally ssh binds to port 22/tcp (see above). In sshd_config you can tell it to bind to 49152 or something. Gr, Rob
