Aanhalen "Scott C. Best" <[EMAIL PROTECTED]>:

Just gambling here but couldn't a packet coming from the inside
with an echo request or (probably any data destined for 0.0.0.0) 
provoke this kind off response?

A capture of network traffic should help you out if that is
the case.

Kim Oppalfens

> 
> PS: These are some strange logs you're seeing. :) I believe
>     they're getting logged because of the "0.0.0.0" return
>     IP address that the packets say they are from. That IP
>     address was historically used for broadcasts, but is now
>     much more likely a sign of trouble. A lot of firewall
>     rulesets block traffic from that IP address straight away.
> 
> PPS: The message that it's sending in this log is an ICMP
>      error message "Destination Unreachable". My hunch is
>      that your LEAF box is on a cable-modem environment,
>      and someone in your neighborhood is experiment with a
>      rather sloppy and noisy DOS attack. You may want to
>      send this logfile to your ISP's "abuse" email.
> 
> 
> > Message: 1
> > Date: Sun, 07 Jul 2002 02:27:08 -0700
> > From: Michael McClure <[EMAIL PROTECTED]>
> > To: Leaf Mailing List <[EMAIL PROTECTED]>
> > Subject: [leaf-user] Anybody know what happened to:
> >
> > http://www.echogent.com/cgi-bin/fwlog.pl
> >
> > Its not there anymore....
> >
> > Jul  7 03:04:00 mikerouter kernel: Packet log: input DENY eth0
> PROTO=1
> > 0.0.0.0:3 80.135.217.223:3 L=56 S=0x00 I=42918 F=0x0000 T=150 (#17)
> 
> 
> 
> 
> 
> 
> 
> 
> 
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