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From: Zoltan Nagy <kirk@nemesys.hu>
To: Paulo Andre <pandre@darkstar.nom.za>
Cc: netfilter <netfilter@lists.netfilter.org>
Subject: Re: Ping flood
Date: Tue, 01 Nov 2005 18:08:45 +0100	[thread overview]
Message-ID: <4367A11D.8000205@nemesys.hu> (raw)
In-Reply-To: <43677BFD.3080805@darkstar.nom.za>


consider dropping all multicast packets
$ipt    -d 224.0.0.0/4                  -j DROP


Paulo Andre wrote:
> I have the following log:
> Nov  1 09:10:40 guardian ---SA_IN--- IN=eth1 OUT=
> MAC=ff:ff:ff:ff:ff:ff:00:e0:1e:83:d5:19:08:00  SRC=64.34.170.237
> DST=255.255.255.255 LEN=1072 TOS=00 PREC=0x40 TTL=243 ID=12209 DF
> PROTO=ICMP TYPE=8 CODE=0 ID=0 SEQ=0
> 
> I am receiving thousands of these a day, icmp traffic is blocked with
> iptables. But still this traffic is coming up the line. Is my only
> solution to contact the ISP or is there something I can do in
> iptables/linux?
> 
> Paulo
> 
> 


  reply	other threads:[~2005-11-01 17:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-01 14:30 Ping flood Paulo Andre
2005-11-01 17:08 ` Zoltan Nagy [this message]
2005-11-02 21:36   ` R. DuFresne
2005-12-06 21:11   ` Nick Drage
2005-11-01 17:19 ` /dev/rob0
2005-12-06 21:34   ` Nick Drage

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