원문 : http://www.ischo.net -- 조인상 //시스템 엔지니어

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출처 : http://www.elifulkerson.com/projects/tcping.php

사용법

Usage: tcping [-t] [-d] [-i interval] [-n times] server-address [server-port]

         -t   : ping continuously until stopped via control-c
         -n 5 : for instance, send 5 pings
         -i 5 : for instance, ping every 5 seconds
         -w 100 : for instance, wait 100 milliseconds for a response
         -d   : include date and time on each line
         -b 1 : enable beeps (1 for on-down, 2 for on-up,
                              3 for on-change, 4 for always)
         -r 5 : for instance, relookup the hostname every 5 pings
         -s   : automatically exit on a successful ping
         -v   : print version and exit

        If you don't pass server-port, it defaults to 80.

예1)  > tcping 192.168.0.1                 // 기본포트인 80으로 ping 보냄

예2)  > tcping 192.168.0.1 3389        // TCP 3389로 ping 보냄