WWW <-> NON-WWW Redirect Scripts

Redirect-Scripts.md

WWW. Redirect Scripts

Apache Server (.htaccess)

Redirecting NON-WWW. to WWW.

LoadModule rewrite_module  modules/mod_rewrite.so
RewriteEngine On
RewriteCond %{HTTP_HOST} ^github.com
RewriteRule (.*) http://www.github.com/$1 [R=301,L]

Redirecting WWW. to NON-WWW.

LoadModule rewrite_module  modules/mod_rewrite.so
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www.github.com
RewriteRule (.*) http://github.com/$1 [R=301,L]

Windows IIS Server (web.config)

Redirecting NON-WWW. to WWW.

<rewrite>
  <rules>
    <rule name="GitHub NON-WWW to WWW" stopProcessing="true">
      <match url="(.*)" />
      <conditions trackAllCaptures="false">
        <add input="{HTTP_HOST}" pattern="^github.com$" />
      </conditions>
      <action type="Redirect" 
        url="{MapProtocol:{HTTPS}}://www.github.com/{R:1}" />
    </rule>
  </rules>
  <rewriteMaps>
    <rewriteMap name="MapProtocol">
      <add key="on" value="https" />
      <add key="off" value="http" />
    </rewriteMap>
  </rewriteMaps>
</rewrite>

Redirecting WWW. to NON-WWW.

<rewrite>
  <rules>
    <rule name="GitHub WWW to NON-WWW" stopProcessing="true">
      <match url="(.*)" />
      <conditions trackAllCaptures="false">
        <add input="{HTTP_HOST}" pattern="^www.github.com$" />
      </conditions>
      <action type="Redirect" 
        url="{MapProtocol:{HTTPS}}://github.com/{R:1}" />
    </rule>
  </rules>
  <rewriteMaps>
    <rewriteMap name="MapProtocol">
      <add key="on" value="https" />
      <add key="off" value="http" />
    </rewriteMap>
  </rewriteMaps>
</rewrite>