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Will password protected user accounts in XP Pro provide sufficient security for Remote Desktop over internet?

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What exactly are you worried about? –  Nitrodist Jun 7 '10 at 6:18
    
Someone else logging in, or someone else intercepting the data. –  CJ7 Jun 7 '10 at 6:40
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2 Answers

up vote 1 down vote accepted

By default windows xp can allow RDC with little to none encryption to connect (which poses a security risk). change it by:

Run "%SystemRoot%\system32\gpedit.msc /s"
Go through Computer Configuration | Administrative Templates | Windows Components | Terminal Services | Encryption and Security.
Set "Set client connection encryption level" to "Enabled" and "High Level"

keylogging is more of a concern, and a relatively difficult thing to prevent when you are in an uncontrolled environment though.

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I don't think I would be willing to use RDP on an unsecured connection. I would suggest you investigate VPN solutions and RDP though them. Or look at something like TeamViewer.

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What is at risk with using RDP on an unsecured connection? Are the usernames and passwords sent as clear text? –  CJ7 Jun 7 '10 at 6:55
    
no unless you are using really old RDP clients. modern RDP clients support encryption (128-bit encryption, using the RC4 encryption algorithm, as of Version 6) –  bubu Jun 7 '10 at 9:43
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