From: surf3r <surf3r@pop.com.br>
To: netfilter@lists.netfilter.org
Cc: netfilter@tommi.org
Subject: Re: ICMP and state/conntrack
Date: 28 Feb 2003 08:48:42 -0300 [thread overview]
Message-ID: <1046432923.5076.7.camel@rodrigo.prc> (raw)
In-Reply-To: <20030228103743.GA31779@ok.is>
Hellow :)
> iptables -A FORWARD -m state --state NEW,INVALID -j REJECT
You must be especify the protocol on this rule:
iptables -A FORWARD -p icmp -m state --state NEW,INVALID -j REJECT
You has that to understand tables with independent rules
Brazil rules : carnaval 2003 :)
--
surf3r -o)
/\\
_\_V
-- --------
On Fri, 2003-02-28 at 07:37, netfilter@tommi.org wrote:
> Hello
>
> I'm wondering if state doesn't apply to ICMP packets.
>
> iptables -A FORWARD -p icmp -m state -d 1.2.3.4 --state NEW -j ACCEPT
> iptables -A FORWARD -m state --state NEW,INVALID -j REJECT
>
> if I ping 1.2.3.4 the echo-reply is blocked from 1.2.3.4. Is this normal, I
> thought that the echo-reply should be marked RELATED and therefore not
> blocked?
>
>
> ====
> Tomas Edwardsson
> HP Technical Support \ HP Certified System Administrator
> Red Hat Technical Support \ Red Hat Certified Engineer.
> Opin Kerfi
>
>
>
next prev parent reply other threads:[~2003-02-28 11:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-28 10:37 ICMP and state/conntrack netfilter
2003-02-28 11:17 ` Cedric Blancher
2003-02-28 12:23 ` netfilter
2003-02-28 11:48 ` surf3r [this message]
2003-02-28 11:59 ` Jozsef Kadlecsik
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