dereenigne.org

reverse engineered

iptables Port Redirection

On a Unix system, TCP and UDP between 1 and 1023 require root privileges. This means that any program wishing to bind to these ports must be run as root. While this is fine for trusted programs such as Apache and OpenSSH, I’d be weary of letting other programs run as root. This obviously means that you cannot use the standard ports, such as 80 for HTTP, 21 for FTP etc. Read more →