Re: Bad loopback traffic not stopped by ipfw.

From: Gleb Smirnoff (glebius_at_cell.sick.ru)
Date: 02/25/04

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    Date: Wed, 25 Feb 2004 17:21:34 +0300
    To: Iasen Kostov <tbyte@OTEL.net>
    
    

    On Wed, Feb 25, 2004 at 04:19:51PM +0200, Iasen Kostov wrote:
    I> >>16:26:23.287642 0:1:2:9>c:cf:e2 0:02:55:b0:90:e4 0800 60: 127.0.0.1.80 >
    I> >>192.168.118.205.1046: R 0:0(0) ack 1959723009 win 0
    I> >
    I> >This is some kind of Win32 virus. This floods can be easily
    I> >stopped by ipfw rule:
    I> >
    I> >deny tcp from any to any tcpflags rst,ack
    I> >
    I> >
    I> >
    I> These packets never reach IPFW as we can see.

    Ughu. Really.
    But I have millions of them from non-localhost addresses.

    P.S. This is really off-topic already. We should move to -isp@ may be.

    -- 
    Totus tuus, Glebius.
    GLEBIUS-RIPN GLEB-RIPE
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