title: mod_rewrite hide .php extension and remove additional headers
body: <p>I would like to hide php extension in url and in the responses of my Apache</p>
  
  <p>I tried it with the following tipycal configuration:</p>
  
  <pre><code>RewriteEngine on
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME}.php -f
  RewriteRule ^(.*)$ $1.php [L,QSA]
  
  DirectoryIndex index.php index.html
  
  DocumentRoot /var/www/mysite
  &lt;Directory /var/www/mysite&gt;
      Options -Indexes -MultiViews FollowSymLinks
      AllowOverride None
      Order allow,deny
      Allow from all
  &lt;/Directory&gt;
  ...
  </code></pre>
  
  <p>but I do not understand why Apache adds a set of headers that I think are unnecessary.
  for example about this url:</p>
  
  <pre><code>http://mysite/page
  </code></pre>
  
  <p><strong>Edit:</strong>
  disabling Content Negotiation with -MultiViews cause:</p>
  
  <pre><code># tailf /var/log/apache2/error.log
  [Sun Jan 19 16:35:23 2014] [error] [client 127.0.0.1] Request exceeded the limit of 10 internal redirects due to probable configuration error. Use 'LimitInternalRecursion' to increase the limit if necessary. Use 'LogLevel debug' to get a backtrace.
  [Sun Jan 19 16:35:23 2014] [debug] core.c(3063): [client 127.0.0.1] r-&gt;uri = /var/www/index.php
  [Sun Jan 19 16:35:23 2014] [debug] core.c(3069): [client 127.0.0.1] redirected from r-&gt;uri = /var/www/index.php
  ...
  [Sun Jan 19 16:35:23 2014] [debug] core.c(3069): [client 127.0.0.1] redirected from r-&gt;uri = /var/www/index.php
  [Sun Jan 19 16:35:23 2014] [debug] core.c(3069): [client 127.0.0.1] redirected from r-&gt;uri = /page
  [Sun Jan 19 16:35:23 2014] [debug] mod_deflate.c(615): [client 127.0.0.1] Zlib: Compressed 533 to 322 : URL /var/www/index.php
  
  
  # tailf /var/log/apache2/rewrite.log 
  127.0.0.1 - - [19/Jan/2014:18:42:06 +0100] [mysite/sid#7fa89ea62d58][rid#7fa89ed69340/initial] (1) pass through /page
  127.0.0.1 - - [19/Jan/2014:18:42:06 +0100] [mysite/sid#7fa89ea62d58][rid#7fa89ed69340/initial] (1) [perdir /var/www/] internal redirect with /var/www/index.php [INTERNAL REDIRECT]
  127.0.0.1 - - [19/Jan/2014:18:42:06 +0100] [mysite/sid#7fa89ea62d58][rid#7fa89ed75738/initial/redir#1] (1) pass through /var/www/index.php
  127.0.0.1 - - [19/Jan/2014:18:42:06 +0100] [mysite/sid#7fa89ea62d58][rid#7fa89ed75738/initial/redir#1] (1) [perdir /var/www/] internal redirect with /var/www/index.php [INTERNAL REDIRECT]
  127.0.0.1 - - [19/Jan/2014:18:42:06 +0100] [mysite/sid#7fa89ea62d58][rid#7fa89ed77ad0/initial/redir#2] (1) pass through /var/www/index.php
  ...
  </code></pre>