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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040319203341.GA3280@salty \
--to=jimlaur@acm.org \
--cc=netfilter@lists.netfilter.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.