Quoting Robert <robert@openbsd.pap.st>:

quoted text
> On Mon, 04 Jan 2010 16:11:20 -0800
> lists@telus.net wrote:
> 
> > I'm looking for some advice on how to best address a small problem. I
> > have a network behind pf/NAT on a Soekris net5501. The network
> > includes a publicly accessible website. Let's call it ww1.domain.com.
> > Now I need to create another website, ww2.domain.com, hosted on a
> > different physical server. How can I direct incoming connections on
> > TCP port 80 (or 443) to the correct internal IP address based on the
> > URL?
> > 
> > I would prefer to do this on the Soekris, rather than redirecting
> > requests from one web server to the other. I'm guessing that a proxy
> > like squid might be appropriate, but I don't have any personal
> > experience with it, and it probably does much more than I need. Would
> > this be a good way to go, or can someone suggest a simpler, more
> > lightwieght solution?
> > 
> > Thanks in advance for any advice.
> 
> man relayd
> 
> 

Thanks for the pointer. That's exactly the sort of thing I was hoping to 
locate. And many thanks, again, to the developers of OpenBSD.