Subject: Re: [Bugme-new] [Bug 8325] New: -j REDIRECT --to-ports 1000-1009, always first choosen

From: "Denys" <[email-masked]>
Date: Mon, 16 Apr 2007 08:45:29 +0300

On Mon, 16 Apr 2007 07:30:33 +0200, Patrick McHardy wrote
> Denys wrote:
> > Sorry, i will put my IMHO, since i am using it too.
> > 
> > I guess it can be useful for load-balancing scenario.
> 
> That makes sense with using multiple IPs (and we support doing that),
> but whats the point of load-balancing to differenet *ports*?

Easy - for example i have my own TCP acceleration solution, which is using 
REDIRECT, then getsockopt/SO_ORIGINAL_DST to get original IP, then forwarding 
to compressed tunnel, stripping unneeded bytes (oh, my expensive satellite 
bandwidth). This way for example i can do some kind load-balancing for 
satellite bandwidth. But i have done it over -m statistic.

> 
> > Is there way to provide both ways?
> > Thinking... 60% done, But maybe this can be done over -m statistic already
> 
> 2.6.21-rc supports randomized port selection (with iptables userspace
> from SVN). Using the statistic match would work as well.
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--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.