From: Jim Laurino <JimLaur@acm.org>
To: netfilter list <netfilter@lists.netfilter.org>
Subject: Re: icmp messages to spoofed address accepted by -m conntrack --ctstate ESTABLISHED,RELATED (nfcan: addressed to exclusive sender for this address)
Date: Fri, 19 Mar 2004 15:33:41 -0500 [thread overview]
Message-ID: <20040319203341.GA3280@salty> (raw)
In-Reply-To: <20040318223551.GA1128@salty> (from +nfcan+jimlaur+ca3dcad0c0.nfcan.x.jimlaur#dfgh.net@spamgourmet.com on Thu, Mar 18, 2004 at 17:35:51 -0500)
On 2004.03.18 17:35, Jim Laurino - nfcan.x.jimlaur@dfgh.
net wrote:
> I added a rule with this matching pattern to
> the iptables firewall on my machine.
>
> -m conntrack --ctstate ESTABLISHED,RELATED
>
> It is matching icmp packets about an
> unreachable destination that are sent here
> because someone is spoofing my IP address.
>
> I do not see in /proc/net/ip_conntrack
> any entry that I think should match these packets.
>
> I have come here to try to find out if this
> match is the expected behavior of this rule,
> or if this match is a misuse of the conntrack
> module by me, or if this is a bug in connection tracking.
>
> Regards,
>
> Jim Laurino
>
>
prev parent reply other threads:[~2004-03-19 20:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-18 22:35 icmp messages to spoofed address accepted by -m conntrack --ctstate ESTABLISHED,RELATED Jim Laurino
2004-03-18 22:53 ` Antony Stone
2004-03-19 20:33 ` Jim Laurino [this message]
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