National Security Backdoor in telnetd - all versions.

Lucas Holt luke at
Tue Aug 26 10:04:31 PDT 2003

Even if this is true, who has telnet open anymore?  Thats like saying 
there is a back door in WOW (the 16bit compatibility mode of Winnt to 
run win 3.x apps).

I'd like to see REAL proof of this.  Different file sizes don't prove 
anything.  When I compile freebsd, i have certain optimization flags 
set for the compiler as well as settings for 6x86 cpus.  That makes the 
file size different too!  In order to prove anything, you would have to 
compile the code in the exact same way it is built for FreeBSD 
releases.  In reality, only the source code "changes" would prove it.  
I'm not above conspiracy theories, but this seems far fetched.

On Tuesday, August 26, 2003, at 12:18  PM, David Landgren wrote:

> Joshua Oreman wrote:
>> On Mon, Aug 25, 2003 at 11:22:12PM -0400 or thereabouts, Kevin 
>> shampoo Nadeau wrote:
>>> Hello [ ... ]
>>> telnetd is infected with a national security backdoor in all
>>> non-source compiled versions of FreeBSD, NetBSD and OpenBSD.  If you
>>> download the source code for telnetd and compile it to compare the
>>> file size of the "stock" or "out of the box" version of telnetd
>>> versus the source-compiled version - you will clearly see a
>>> difference - which is the backdoor.  This information should be
>>> forwarded to CERN and the BSD and Linux development teams.
>>> [ ... ]
>> Please don't feed the troll. The size difference is in "stripped"
>> vs "non-stripped", btw.
> telnetd eh? how... quaint :)
> David
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Lucas Holt
Luke at
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