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I'm running a Telnet server and client on my Windows 7 computer. Meanwhile, I'm running Wireshark to try to sniff the telnet login. I have been unable to get Telnet to send any packets that can be captured on Wireshark. I'm capturing packets, but none of them are from the port 23 or Telnet filter.
I connected to Telnet on my computer by typing this into command prompt: telnet localhost Then I sign in with my login and password successfully.
Since I'm logging into Telnet on the same computer with the server running, can this be causing an issue with sending packets in telnet?
On Unixes – at least Linux – the loopback interface
lo
can be sniffed just like any other. But the answer is correct for Windows, which, AFAIK, does not allow capturing loopback packets at all. – user1686 – 2013-07-12T22:58:15.190