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Is it possible to use telnet to connect to remote computers/hosts using only a WiFi connection and no direct connection to the modem except through the router?

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Telnet is generally considered very insecure when used over untrusted networks; I'd consider some alternatives before using it over WiFi. –  grawity May 31 '10 at 18:34

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It should be. If you are using Windows 7 or Vista, however, you need to enable it first.

Start > Control Panel > Programs And Features > Turn Windows features on or off

The telnet options are in there. Tick the ones you need, and apply the changes. A quick test is the ASCII animation of starwars, of coure.

In command prompt, use 'telnet towel.blinkenlights.nl'. If it works, then telnet was successfully enabled.

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Yep, did that command and it works perfectly thanks! Oh :D! thats the ASCII Star Wars!!! –  Wuffers May 31 '10 at 1:31

As far as Telnet is concerned, wireless vs wired networks are identical. As long as the machine you want to telnet to is running the telnet server and the ports are open on the entire route between your client machine and the server then it should work fine.

If you're using a home router and trying to connect to it from outside that network then you may need to configure the router to open that port and send connections for that port to the server.

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Ok, Thanks! (15 chars) –  Wuffers May 31 '10 at 1:26

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