Friday, May 26, 2017

Quick Tip#2: Ping and telnet

ping command is used to find out whether the remote host is reachable.

Syntax:
ping [hostname/ip]
ping google.com


But you cannot ping ports, thus if you need to find out if the port is open on a remote host, you use TELNET.

Syntax:
telnet [domainname or ip] [port]


If the port is open, you will see a blank screen. This will mean that connection is successful.


Exiting from telnet: Type 'Ctrl]' , and then 'q' or 'quit'

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