From: Rusty Russell <rusty@rustcorp.com.au>
To: Huascar Tejeda <htejeda@gmail.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: netfilter hook/tuple question
Date: Mon, 12 Jul 2010 12:23:41 +0930 [thread overview]
Message-ID: <201007121223.42052.rusty@rustcorp.com.au> (raw)
In-Reply-To: <AANLkTikanogevLAZ30XgK7oV4bijuTz5lZdkznWlisuC@mail.gmail.com>
On Fri, 9 Jul 2010 05:08:52 am Huascar Tejeda wrote:
> Hello Rusty Russell,
>
> I'm starting to learn about netfilter hooks programming and I have a small
> question. Is it possible to see the packets in my hook even if it already is
> in a tuple?
Hi Huascar,
Sorry for the delayed response. This question might have been better
directed at the netfilter-devel mailing list.
> My hook reads HTTP requests looking for QueryStrings. it's running in a
> linux gateway and I have these scenarios:
>
> - From a linux client: if I access google.com I can see the request for the
> first time, but since Linux re-uses source-port I don't see it again in my
> hook.
> - From a windows client: it works very well cause windows always use
> different source-port so it is handled as a new connection every time.
>
> Here is my code: http://codepad.org/T6SESSRg
AFAICT, this should work... It's pretty simple.
Rusty.
parent reply other threads:[~2010-07-12 2:53 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <AANLkTikanogevLAZ30XgK7oV4bijuTz5lZdkznWlisuC@mail.gmail.com>]
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