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telnet running on windows server

Can you provide some reasons why a server may need telnet service running? Are there any genuine examples why an admin would need the telnet service running?

And secondly I have heard its a security issue - but cant really understand why? Does it make your server and data more prone to unauthorised access ? If so how and why? If its an internal server in your private network what's the actual risk?
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pma111
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pma111
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McKnifeCommented:
Hi pma111.

Let me guess: you have no clue what it is used for? Please read http://en.wikipedia.org/wiki/Telnet , it has a section "security".
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pma111Author Commented:
That was kind of why I asked the question :-(

I still don't really see that as much of a risk though based on this link you've provided, if the only risk is of eavesdropping which would be unlikely from internal users - who would therefore get fired for such activity.
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McKnifeCommented:
If internal users were able to hack into it using (future) telnet exploits, they could very well take hold of the whole server, that's the risk. It's a system service (runs as system) - any unneeded services have to be avoided. If you need it badly, you have to argue to keep it.
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pma111Author Commented:
Good point. Has it got a long history of exploits/vulnerabilities? Or about the same as most windows services, FTP etc.
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McKnifeCommented:
You care for its history? I wouldn't. Is it needed or not - if yes, and there is no alternative, then use it, if there is one, take the alternative, because experts, like you could read at wikip., encourage people to discontinue using it.
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