Managing Linux® Systems with Webmin™ System Administration and Module Development

51.3. Changing the Port and Address

Webmin usually listens for connections on port 10000 on all of your system's IP addresses. You may need to change the port, however, perhaps because a firewall on your network only allows connections to web servers on the standard ports of 80 and 443. Because servers run by any user can use port 10000, it may be possible for a malicious user on your system to wait for Webmin to be shut down and then start his own fake Webmin server on that port, which could capture the admin or root password. For this reason, you may want to use a port below 1024 (that only programs run as root can listen on) instead. Changing the listening IP address can also be use ful if your system has multiple network interfaces and you ...