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Vulpes_Vulpes
Apprentice
Joined: 10 Dec 2003
Posts: 264
Location: Amsterdam
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 Posted: Mon Mar 29, 2004 8:38 pm Post subject: Hide 'deamon labels'? |
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Hi,
I was wondering how I can turn off these 'labes'. What I mean is the info you get when you telnet to some port on some IP.
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#telnet 192.168.0.1 22
Trying 192.168.0.1...
Connected to 192.168.0.1.
Escape character is '^]'.
SSH-1.99-OpenSSH_3.7.1p2
Protocol mismatch.
Connection closed by foreign host.
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I really would like to hide the 'SSH-1.99-OpenSSH_3.7.1p2' part.
Or am I being really paranoid here???  |
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Spooky Ghost
Apprentice
Joined: 19 Apr 2002
Posts: 210
Location: Bristol, United Kingdom
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| Posted: Mon Mar 29, 2004 9:21 pm Post subject: |
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| This id is part of the SSH protocol. After you've telnetted to port 22 echo the string SSH-1.99-OpenSSH_3.7.1p2 and it will then tell you what encryption algorithms are supported. The minimum you can tell it is SSH-1.99-OpenSSH so I expect this the minimum string you can have the server say. If you really want to hide the version then you'll need to edit the source. |
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Vulpes_Vulpes
Apprentice
Joined: 10 Dec 2003
Posts: 264
Location: Amsterdam
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| Posted: Mon Mar 29, 2004 9:33 pm Post subject: |
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So I presume this is not a very serious security issue... Ok, I know I always have to update, but I just don't want to let everybody see if I just didn't do it yet... I'm just being a bit paranoid about stuff like this because I confinced my colleges to let me set up a Gentoo box so we can test stuff on it. I just don't want it to be hacked or anything.  |
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Networking & Security
