Hello Joseph,

I don't think that RDP's encryption will be enough neither changing the
portnumber (portscanners etc.) A solution proposed by the others might
work using both authentication and encryption.

RDP's authentication via username and password seems to be not enough
because it can be bruteforced on bad passwords. It seems that there is
no additional "salting". If I am wrong please corect me :-)

Rgds,
Andre
> Hi,
>
> 3389 is a RDP, if attacker find open port on 3389 they can guessing is a RDP running on the host (server).
>
> Actually Win Server 2008 (equivalent) has a RDP with good encryption.
>
> But,
>
> This is not enough to securing your RDP Connections. My very best practice are just changing your RDP Port number ..
>
> ##sory for my bad english##
>
>
> Sent from my BlackBerry® smartphone from Sinyal Bagus XL, Nyambung Teruuusss...!
>
> -----Original Message-----
> From: Mike Hale <eyeronic.design (at) gmail (dot) com [email concealed]>
> Sender: listbounce (at) securityfocus (dot) com [email concealed]
> Date: Tue, 10 Jan 2012 10:00:09
> To: William Baltas<bill.baltas (at) cleanwaterteam (dot) com [email concealed]>
> Cc: mariofa88 (at) gmail (dot) com [email concealed]<mariofa88 (at) gmail (dot) com [email concealed]>; security-basics (at) securityfocus (dot) com [email concealed]<security-basics (at) securityfocus (dot) com [email concealed]>
> Subject: Re: RDP over the internet
>
> "Don't leave port 3389 open on the Internet at all, the port is much
> too vulnerable."
>
> Explain. What unpatched vulnerabilities for RDP exist in Server 2008?
>
> Why is it more secure to provide your credentials to a third party and
> to install a third party client on your machine?
>
> On Tue, Jan 10, 2012 at 9:47 AM, William Baltas
> <bill.baltas (at) cleanwaterteam (dot) com [email concealed]> wrote:
>> Mario, Don't leave port 3389 open on the Internet at all, the port is much too vulnerable. If you need to perform remote administration, do this through a VPN tunnel or use a third party service such as gotomypc.
>>
>> Good Luck,
>> Bill
>>
>> -----Original Message-----
>> From: listbounce (at) securityfocus (dot) com [email concealed] [mailto:listbounce (at) securityfocus (dot) com [email concealed]] On Behalf Of mariofa88 (at) gmail (dot) com [email concealed]
>> Sent: Tuesday, January 10, 2012 9:22 AM
>> To: security-basics (at) securityfocus (dot) com [email concealed]
>> Subject: RDP over the internet
>>
>> Hi all I would like to know what are your opinions of using RDP over the internet on a Windows 2008 R2 server? Are there any major known exploits or vulnerabilities? How safe is the server with having port 3389 open to the internet.
>>
>> Rgds,
>> Mario
>>
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