[PLUG] nmap, curiosity, and courtesy

Wil Cooley wcooley at nakedape.cc
Sat Sep 18 12:39:01 UTC 2004


On Sat, 2004-09-18 at 13:27 -0600, Bill Thoen wrote:
> On Sat, 18 Sep 2004, Evan Heidtmann wrote:
> 
> > Another option to find out what kind of machine it is is to contact
> > their sshd:
> > 
> > $ telnet 62.193.225.66 22
> > Trying 62.193.225.66...
> > Connected to 62.193.225.66.
> > Escape character is '^]'.
> > SSH-1.99-OpenSSH_3.5p1
> > ^]
> > telnet> quit
> 
> Hmm... That seems to work in most cases. How do I keep *my* machine from 
> revealing this sort of inforomation?

Edit the source and rebuild.  Note that you can't change the SSH-1.99
part; that's part of the protocol version identifier and the handshake
will probably not work right if you change it.

Wil
-- 
Wil Cooley                                 wcooley at nakedape.cc
Naked Ape Consulting                        http://nakedape.cc

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