Thursday, September 26, 2019

apache redirect from non www to www



I have a website that doesn't seem to redirect from non-www to www.



My Apache configuration is as follows:



RewriteEngine On
### re-direct to www
RewriteCond %{http_host} !^www.example.com [nc]
RewriteRule ^(.*)$ http://www.example.com/$1 [r=301,nc]



What am I missing?


Answer



Using the rewrite engine is a pretty heavyweight way to solve this problem. Here is a simpler solution:




ServerName example.com
Redirect permanent / http://www.example.com/




ServerName www.example.com
# real server configuration



And then you'll have another section with ServerName www.example.com for your real server configuration. Apache automatically preserves anything after the / when using the Redirect directive, which is a common misconception about why this method won't work (when in fact it does).


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