From: Andrew Beverley <andy@andybev.com>
To: Giuseppe Longo <giuseppelng@gmail.com>
Cc: netfilter@vger.kernel.org
Subject: Re: how the packet is traversed
Date: Tue, 02 Oct 2012 21:54:39 +0100 [thread overview]
Message-ID: <1349211279.4663.310.camel@andrew-desktop> (raw)
In-Reply-To: <CAFpD06STVTqteasiBmH+ahw2O1Ad2PNPuWePfzgx9xPHZbG41w@mail.gmail.com>
On Tue, 2012-10-02 at 22:20 +0200, Giuseppe Longo wrote:
> Hello,
> i'm a student of computer science, working on a project using iptables.
> I'm confused how the packet is treated when it's arrived in the iptables.
>
> Someone can explain me this process?
Well there are various tutorials, none of which I can find right now,
but a picture paints a thousand words...
This diagram is a good place to start as it's simple, although probably
out of date:
http://www.docum.org/docum.org/kptd/
Once you've got your head around that, this is the fully comprehensive
one, but tougher for beginners:
http://upload.wikimedia.org/wikipedia/commons/3/37/Netfilter-packet-flow.svg
If you've got any specific questions, then please ask!
Andy
next prev parent reply other threads:[~2012-10-02 20:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-02 20:20 how the packet is traversed Giuseppe Longo
2012-10-02 20:52 ` 叶雨飞
2012-10-02 20:54 ` Andrew Beverley [this message]
2012-10-02 20:59 ` Marco Padovan
2012-10-02 21:03 ` Neal Murphy
2012-10-03 4:51 ` Vigneswaran R
2012-10-03 16:36 ` Csordás Csaba Ifj.
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=1349211279.4663.310.camel@andrew-desktop \
--to=andy@andybev.com \
--cc=giuseppelng@gmail.com \
--cc=netfilter@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox