From: Patrick McHardy <kaber@trash.net>
To: Sam Roberts <vieuxtech@gmail.com>
Cc: Netfilter Developer Mailing List <netfilter-devel@vger.kernel.org>
Subject: Re: can expectations be marked persistent, so they can match repeatedly until they timeout?
Date: Mon, 28 Mar 2011 13:27:38 +0200 [thread overview]
Message-ID: <4D9070AA.60100@trash.net> (raw)
In-Reply-To: <AANLkTi=dEfb8f1moPE5Mp2yS5DqiB=abuJcFP99opXy9@mail.gmail.com>
On 24.03.2011 18:43, Sam Roberts wrote:
> I'm writing a userspace conntrack, using nfqueue and conntrack.
>
> Creating expectations works fine, metfilter matches and allows the
> expected connection.
>
> However, unlike ftp, the negotiated ephemeral port is used by multiple
> simultaneous tcp connections for some period. I'd like the expectation
> to be kept in place until it times out, even when its matched.
>
> I can create this effect by watching for the conntrack event
> indicating the expectation was destroyed, and recreating it, but I'd
> like to know if there is a better way.
You should be able to use NF_CT_EXPECT_PERMANENT.
next prev parent reply other threads:[~2011-03-28 11:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-24 17:43 can expectations be marked persistent, so they can match repeatedly until they timeout? Sam Roberts
2011-03-28 11:27 ` Patrick McHardy [this message]
2011-03-29 18:54 ` Sam Roberts
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