Check open port

This command will list open network ports and the processes that own them

netstat -lnptu  --> From web
------------------
netstat -an|grep 80  --> From P'Pom
or 
netstat -ano|grep 80  --> From P'Pom

On Windows
netstat -np <protocol> | find "port#"

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http://superuser.com/questions/529830/get-a-list-of-open-ports-in-linux

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