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From: Gabriel <jarod125@yahoo.com>
To: netfilter@lists.netfilter.org
Subject: Re: ICMP packets
Date: Tue, 20 Sep 2005 07:30:43 -0700 (PDT)	[thread overview]
Message-ID: <20050920143043.418.qmail@web60917.mail.yahoo.com> (raw)
In-Reply-To: <BAY102-F140CB05B42680BA717BE36AE950@phx.gbl>

--- P theodorou <props666999@hotmail.com> wrote:

> Im new into iptables world
> 
> now regarding icmp packets . Is it
> applicable to drop inbound echo requests (so otherts
> cannot see me )
> 
> but i will be able to send  icmo echo request to WEB and
> receive
> replies too .
> 
> Sorry if it looks very basic but im confused
> 
> Thanks

This rule should do the trick:
iptables -A OUTPUT -p icmp --icmp-type echo-reply -j DROP

It won't allow outgoing echo replies (pongs), but will
allow outgoing echo requests (pings) and their replies.

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  parent reply	other threads:[~2005-09-20 14:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-20 14:10 ICMP packets P theodorou
2005-09-20 14:29 ` Marc Haber
2005-09-20 14:30 ` Gabriel [this message]
2005-09-20 15:18 ` /dev/rob0
  -- strict thread matches above, loose matches on Subject: below --
2011-05-23  8:23 icmp packets cc

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