I've recently installed Webmin on a Ubuntu server but I can't get it to work. I asked a recent question about saving iptables but it turns out you don't need to "save" iptables changes.

Anyway, I still can't get Webmin working after opening the port up:

iptables -A INPUT -p tcp -m tcp --dport 10000 -j ACCEPT

It seems that either the command is not opening up port 10000, or there is a separate problem with Webmin. If I run iptables -L I see lines like the following, but no port 10000:

ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:5555 state NEW
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:8002 state NEW
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:9001 state NEW

However, there is a line:

ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:webmin

Any ideas why Webmin is not working? The IP address works fine and we can view web sites on the server, but https://[ip]:10000/ (or http) doesn't work.