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I'm trying to connect to a Telnet server. After typing 'telnet [server] [port]', I get a blank command prompt screen. I can then type Telnet commands, but everything I type is invisible.

Replies sent by the server are also invisible.

How do I fix this?

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Is the problem also occurring on different machines? Did you try a different tool like Putty? Try using a packet sniffer like Wireshark ( when connecting, you will see the packet flow which might tell you more.

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Try to type 'Display LOCALECHO on' in the telnet window and see if that makes the commands visible. – WinOutreach4 Jan 4 '12 at 18:57

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