From: Peter Rabbitson <rabbit+list@rabbit.us>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] One machine, two net feeds, outbound route selection
Date: Thu, 25 Oct 2007 17:03:48 +0000 [thread overview]
Message-ID: <4720CC74.2090102@rabbit.us> (raw)
In-Reply-To: <59f980d60710241725p5ca9cca2ueb5edc12675f62e3@mail.gmail.com>
Ben Scott wrote:
> Now, for the sake of knowledge, let us say that a piece of needed
> software didn't have an option to bind to a specific interface. Would
> it be possible to control the outgoing route/interface anyway, by
> using iptables or some other mechanism external to the software? For
> example, what if Sendmail didn't have a ClientPortOptions directive
> (heh, I know, use Postfix, but work with me here)?
>
Unfortunately not easy without doing local NAT (from the local interface
to another local interface). The problem lies in how the kernel sends
packets without a specified source. I wrote an explanation some time
ago: http://mailman.ds9a.nl/pipermail/lartc/2007q2/020941.html
_______________________________________________
LARTC mailing list
LARTC@mailman.ds9a.nl
http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc
next prev parent reply other threads:[~2007-10-25 17:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-25 0:25 [LARTC] One machine, two net feeds, outbound route selection Ben Scott
2007-10-25 9:09 ` Peter Rabbitson
2007-10-25 15:39 ` Ben Scott
2007-10-25 17:03 ` Peter Rabbitson [this message]
2007-10-25 18:00 ` Ben Scott
2007-10-25 21:16 ` Alex Samad
2007-10-25 21:25 ` Peter Rabbitson
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=4720CC74.2090102@rabbit.us \
--to=rabbit+list@rabbit.us \
--cc=lartc@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.