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I have one Software for port checking on remote server. we also use Telnet command for port checking for eg: for rdp port, we use C:> telnet 3389.

but the same thing i am doing from Software ( Total Network Monitoring software ). I am getting red sign, means through this software this port is unreachable.

So, i want to find out whether the request is going to my server on port 3389 or not.

Can you suggest some tools or way, how can i track / monitor each and every request which is going to&from the server?

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so when you do the telnet x.x.x.x 3389 you are doing it on the server running "Total Network Monitoring", correct? – tony roth Jun 28 '12 at 14:19
up vote 3 down vote accepted

Use Wireshark (Network Sniffer):

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