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The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

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Re: [vox-tech] ssh requires setuid?
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Re: [vox-tech] ssh requires setuid?


  • Subject: Re: [vox-tech] ssh requires setuid?
  • From: Dale Bewley <dale@MAPSbewley.net>
  • Date: Wed, 21 Feb 2001 13:10:39 -0800
  • References: Pine.GSO.4.21.0102211122490.22401-100000@runner.ucdavis.edu

It is only suid so that it can originate connections from ports below
1024. This was a "security" check that the rsh stuff which it replaces
uses.


On Wed, 21 Feb 2001, Mark K. Kim wrote:

> Dear LUGODers,
> 
> The EEC department has removed all implementation of ssh1 (we still have
> ssh2) due to security reasons.  But since many sites I log onto uses only
> ssh1, I still would like to use ssh1 (it's either that or telnet, and ssh1
> is better than nothing.)
> 
> Since half of EEC department's computers are Linux, I just grabbed a
> binary copy of ssh1 from my home system and copied it into my
> directory.  It works like a charm.
> 
> Something I noticed, however, is that ssh1 is setuid (-rws--x--x) root.  I
> obviously can't setuid root on EEC systems, but the binary works fine
> anyway.  So what is the reason for this setuid on my home system?  Can I
> turn it off?
> 
> -Mark
> 
> PS: I use the original ssh, not openssh... (it was installed a long time
> ago, before I knew about openssh, and now I'm too lazy to remove it and
> put openssh on it.)
> 
> ---
> Mark K. Kim
> http://www.cbreak.org/mark/
> PGP key available upon request.
> 

--
Dale Bewley - Bewley Internet Solutions Inc. http://bewley.net/


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