From: Phil Oester <kernel@linuxace.com>
To: Abogholo A <abogholo@gmail.com>
Cc: netfilter@vger.kernel.org
Subject: Re: why scapy packet no effected by ip tables
Date: Thu, 17 Jul 2014 08:23:50 -0700 [thread overview]
Message-ID: <20140717152350.GA4553@home> (raw)
In-Reply-To: <CAPpnho=+jciiQzpa9gnihrJsBRnRkniQtfWHPcrr7s4-3KHSDw@mail.gmail.com>
On Wed, Jul 16, 2014 at 05:16:21PM +0430, Abogholo A wrote:
> i wrote this rule for change all udp destination ip address to 8.8.8.8
> when dport is 53:
>
> iptables -t nat -A OUTPUT -p udp -m udp --dport 53 -j DNAT
> --to-destination 8.8.8.8
>
> but when send this packet
>
> sr1(IP(dst="4.2.2.4")/UDP()/DNS(rd=1,qd=DNSQR(qname="iranled.com")))
>
> iptables no effected to them
>
> why?
Scapy uses raw sockets, which don't go through iptables.
Phil
next prev parent reply other threads:[~2014-07-17 15:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-16 12:46 why scapy packet no effected by ip tables Abogholo A
2014-07-17 15:23 ` Phil Oester [this message]
2014-07-20 16:27 ` Paul Robert Marino
2014-07-21 12:38 ` Jeff White
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