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Checklist for reverse proxies in Apache/Windows

Wednesday, November 19, 2008 by Dave Winer.

Checklist of things to do with a fresh Apache install to get reverse proxies working (on Windows). Permalink to this paragraph

1. Start with apache_2.2.9-win32-x86.nossl.msi, go through normal install. When it asks for domains I entered: twitterland.org, apache.twitterland.org (one of many unused domains I've bought over the years) and my Gmail address. Permalink to this paragraph

2. Rebooted the system. Permalink to this paragraph

3. Editing httpd.conf. In the default install the full path is:
C:\Program Files\Apache Software Foundation\Apache2.2conf\http.conf Permalink to this paragraph

4. Uncomment two lines, to activate the proxy module, per advicePermalink to this paragraph

4a. Configure Apache to only listen on port 80 of Permalink to this paragraph

5. Restarted server. It works. http://apache.twitterland.org/  Permalink to this paragraph

6. Added code to map /npr on this server to the OPML Editor (which is running on port 5337). Well, it didn't kill the server, but it's also not mapping to the right place. What you should see is exactly what you see at: http://npr2.twitterland.org:5337/  Permalink to this paragraph

After a bit of fussing on the OPML Editor side of things, it worked. Thank you everyone for the help and encouragement. Permalink to this paragraph

Here's the code I added in step 6. Permalink to this paragraph

ProxyPreserveHost On
<Location /npr/>
   ProxyPass http://npr2.twitterland.org:5337/
   ProxyPassReverse http://npr2.twitterland.org:5337/
</Location> Permalink to this paragraph

I have a bit more work to do, later, to get virtual domains to pass through the proxy, but I've heard that's pretty easy (heh, I'll believe it when I see it). Permalink to this paragraph

Later... Permalink to this paragraph

It turned out to be very straightforward and easy. I set it up so that http://test5.twitterland.org/ points to the Apache server, and using VirtualHost I sent it over to the OPML Editor through a proxy. Worked the first time. ;-> Permalink to this paragraph

   ServerName test5.twitterland.org
   ProxyPass / http://test5.twitterland.org:5337/
   ProxyPassReverse / http://test5.twitterland.org:5337/
</VirtualHost> Permalink to this paragraph


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A picture named dave.jpgDave Winer, 53, pioneered the development of weblogs, syndication (RSS), podcasting, outlining, and web content management software; former contributing editor at Wired Magazine, research fellow at Harvard Law School, entrepreneur, and investor in web media companies. A native New Yorker, he received a Master's in Computer Science from the University of Wisconsin, a Bachelor's in Mathematics from Tulane University and currently lives in Berkeley, California.

"The protoblogger." - NY Times.

"The father of modern-day content distribution." - PC World.

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"Helped popularize blogging, podcasting and RSS." - Time.

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