[25247] in bugtraq

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RE: arp problem

daemon@ATHENA.MIT.EDU (dlaumann@suntzu.net)
Thu Apr 25 00:34:35 2002

Message-ID: <A1FC9A38ED03D311A8DA00500403A489A271AC@suntzu.net>
From: dlaumann@suntzu.net
To: bugtraq@securityfocus.com
Cc: akatosh@rains.net, bartek@pjwstk.edu.pl
Date: Tue, 23 Apr 2002 20:33:24 -0500
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2.4 kernels require a patch...
http://www.linuxvirtualserver.org/~julian/#hidden

> This comes up every year or so on some list or another.
> 
> Linux will send traffic for any of it's addresses through any 
> interface.
> This is allowed in rfc 1122 section 3.3.4.2. You can change 
> this behavior
> by doing this
> 
> echo 1 > /proc/sys/net/ipv4/conf/all/hidden
> echo 1 > /proc/sys/net/ipv4/conf/eth0/hidden
> echo 1 > /proc/sys/net/ipv4/conf/eth1/hidden
> 
> > We have linux box running kernel 2.4 with 2 NICs.

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