Which ports is Virtualmin using?

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#1 Fri, 03/01/2019 - 15:03
KAtwitch

Which ports is Virtualmin using?

I've had to replace a physical firewall and want to open the correct email / web / etc ports for Virtualmin to operate. Is there a way to check and see which ports are currently in use? The Webmin IPTables firewall module doesn't seem to be showing me everything. For example, none of the mail ports (25, 110) are listed.

Thanks!

Fri, 03/01/2019 - 19:07
andreychek

Howdy,

It depends on what services you wish to use, but this is a fairly default iptables list looks like in Virtualmin:

ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:21 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:80 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:25 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:993 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:110 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:22 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:443 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:3306 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:143 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:995 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:443 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:80 ctstate NEW
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0            udp dpt:53 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:587 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:20000 ctstate NEW
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0            tcp dpt:53 ctstate NEW
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0            udp dpt:655 ctstate NEW