so you can do so many things with open port
How to Test Whether a Port is Open
To find which port and server u want to test http uses port 80,outgoing mail is 25 and pop 110.
Steps 1.
Got to start menu and click on run Type "telnet server-name PORTNUMBER".
For example:
You can check your POP3 Server on port 110 to check use this command telnet pop3-server.domain.com 110
How to Test Whether a Port is Open
To find which port and server u want to test http uses port 80,outgoing mail is 25 and pop 110.
Steps 1.
Got to start menu and click on run Type "telnet server-name PORTNUMBER".
For example:
You can check your POP3 Server on port 110 to check use this command telnet pop3-server.domain.com 110
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