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- <li><em>date</em>: Sun Oct 24 22:27:59 2004</li>
- <li><em>from</em>: bob at verysecurelinux.com (Bob Toxen)</li>
- <li><em>in-reply-to</em>: <<a href="msg00876.html">[email protected]</a>></li>
- <li><em>references</em>: <<a href="msg00841.html">[email protected]</a>> <1098573977.6753.24.camel@blue> <<a href="msg00871.html">[email protected]</a>> <<a href="msg00876.html">[email protected]</a>></li>
- <li><em>subject</em>: [ale] ssh - no spoofing check</li>
> Isn't there a perl script designed to help out with this that is
> available with SSH?
Don't know.
> Dow
Bob
> Bob Toxen wrote:
>
> >On Sat, Oct 23, 2004 at 07:26:17PM -0400, Jim Popovitch wrote:
> >
> >
> >>I believe the man-in-middle message is derived from accessing a server
> >>that has a different server key cached in ~/.ssh/known_hosts. You
> >>should be able access the same box by multiple names/IPs without getting
> >>that notice. I suspect that you are reusing a host name from one box on
> >>anther box and that your known_hosts file still has an entry from old
> >>host.
> >>
> >>
> >Yes, the warning about the MITM is if the known_hosts host key is
> >different.
> >However, SSH is too stupid to correlate with the IP rather than the one of
> >many names used to derive the IP -- OR --- maybe they are trying to cope
> >with dynamic IP, in which case their scheme does work. If the latter, it
> >was a poor design choice as it's rare that a server has a dynamic IP.
> >
> >I too find this annoying.
> >
> >Bob Toxen
> >bob at verysecurelinux.com [Please use for email to me]
> ><a rel="nofollow" href="http://www.verysecurelinux.com">http://www.verysecurelinux.com</a> [Network&Linux/Unix security
> >consulting]
> ><a rel="nofollow" href="http://www.realworldlinuxsecurity.com">http://www.realworldlinuxsecurity.com</a> [My book:"Real World Linux Security
> >2/e"]
> >Quality Linux & UNIX security and SysAdmin & software consulting since
> >1990.
> >
> >"Microsoft: Unsafe at any clock speed!"
> > -- Bob Toxen 10/03/2002
> >
> >
> >
> >>-Jim P.
> >>
> >>
> >
> >
> >
> >>On Sat, 2004-10-23 at 16:44 -0400, David Corbin wrote:
> >>
> >>
> >>>If I ever reference a host on a ssh command by an alternate name, it
> >>>"fails" with a message warning about the possibility of a man in the
> >>>middle attack. Is there any way to tell ssh to not pester me about
> >>>this, or to list several hostnames for the same RSA key?
> >>>
> >>>david
> >>>
> >>>
> >_______________________________________________
> >Ale mailing list
> >Ale at ale.org
> ><a rel="nofollow" href="http://www.ale.org/mailman/listinfo/ale">http://www.ale.org/mailman/listinfo/ale</a>
> >
> >
> >
</pre>
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<li><strong><a name="00885" href="msg00885.html">[ale] ssh - no spoofing check</a></strong>
<ul><li><em>From:</em> esoteric at 3times25.net (Geoffrey)</li></ul></li>
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<ul><li><strong>References</strong>:
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<li><strong><a name="00841" href="msg00841.html">[ale] ssh - no spoofing check</a></strong>
<ul><li><em>From:</em> dcorbin at machturtle.com (David Corbin)</li></ul></li>
<li><strong><a name="00845" href="msg00845.html">[ale] ssh - no spoofing check</a></strong>
<ul><li><em>From:</em> jimpop at yahoo.com (Jim Popovitch)</li></ul></li>
<li><strong><a name="00871" href="msg00871.html">[ale] ssh - no spoofing check</a></strong>
<ul><li><em>From:</em> bob at verysecurelinux.com (Bob Toxen)</li></ul></li>
<li><strong><a name="00876" href="msg00876.html">[ale] ssh - no spoofing check</a></strong>
<ul><li><em>From:</em> Dow.Hurst at mindspring.com (Dow Hurst)</li></ul></li>
</ul></li></ul>
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