firewall - Linux; How do I find logs if a program I'm running uses certain ports? -

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firewall - Linux; How do I find logs if a program I'm running uses certain ports? -

i running centos 5 csf firewall. i'm running programme can't connect server (using port blocked csf presume). log file 'ports'?

netstat command utilize ports , network activity. diagonise server processes use:

netstat -tln

this yields port numbers in tcp mode listening. identify associated processes can utilize -p grab pid. here iana ports list.

linux firewall ports

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