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[OCLUG-Tech] ports

Both computers run Linux.

A port scan of the machine with the open port 25 from inside the same lan.

PORT   STATE SERVICE
25/tcp open  smtp

port scan from the web
port 25 is open

port 25 can receive mail.

A port scan of the machine with the open port 25 from my lan.
PORT   STATE    SERVICE
25/tcp filtered smtp
I can't telnet to port 25 of the computer on the other lan so it is hard to debug it.
I tried making this computer a DMZ.


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