Client/Server Examples
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[arnold@localhost 01]$ netstat -ta
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 *:1024 *:* LISTEN
tcp 0 0 localhost.localdom:1025 *:* LISTEN
tcp 0 0 *:printer *:* LISTEN
tcp 0 0 *:sunrpc *:* LISTEN
tcp 0 0 *:x11 *:* LISTEN
tcp 0 0 *:ftp *:* LISTEN
tcp 0 0 localhost.localdom:smtp *:* LISTEN
tcp 0 0 localhost.localdom:5180 *:* LISTEN
[arnold@localhost 01]$ netstat -tna
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:1024 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:1025 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:515 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:6000 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:5180 0.0.0.0:* LISTEN
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While connected to the smtp server
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[arnold@localhost 01]$ netstat -tna
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:1024 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:1025 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:515 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:6000 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:5180 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 127.0.0.1:1065 ESTABLISHED
tcp 0 0 127.0.0.1:1065 127.0.0.1:25 ESTABLISHED
[arnold@localhost 01]$
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