From: Philip Craig <philipc@snapgear.com>
To: Mikko Alutoin <mikko.alutoin@vtt.fi>
Cc: netfilter@lists.netfilter.org
Subject: Re: Transparent proxying using REDIRECT
Date: Thu, 17 Jul 2003 17:35:49 +1000 [thread overview]
Message-ID: <3F1651D5.5060708@snapgear.com> (raw)
In-Reply-To: <4.2.2.20030717085400.00cb6ac0@vttmail.vtt.fi>
Mikko Alutoin wrote:
> How does the proxy get to know the original destination IP address and
> port? By looking into the HTTP-request, perhaps? If so, what if the
> application protocol (some other than HTTP) does not contain the
> destination URL?
Use SO_ORIGINAL_DST, for example:
getsockopt(fd, SOL_IP, SO_ORIGINAL_DST, &dst_addr, &addrlen);
--
Philip Craig - philipc@snapgear.com - http://www.SnapGear.com
SnapGear - Custom Embedded Solutions and Security Appliances
prev parent reply other threads:[~2003-07-17 7:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-17 6:24 Transparent proxying using REDIRECT Mikko Alutoin
2003-07-17 5:28 ` Arthur Meyer
2003-07-17 7:22 ` Cedric Blancher
2003-07-17 7:35 ` Philip Craig [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=3F1651D5.5060708@snapgear.com \
--to=philipc@snapgear.com \
--cc=mikko.alutoin@vtt.fi \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox