htaccess Elite

If you would like to redirect anything from http://domain.com to http://www.domain.com (so the www is always in the URL), you can accomplish this by using the code below. This is helpful in search engine optimization and will help give your site a higher page rank.

I use the first method, but only when I can't edit the httpd.conf file directly.

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Options +FollowSymLinks
RewriteEngine On
RewriteBase /

# require non-empty HOST header
RewriteCond %{HTTP_HOST} !^$

# require case-insensitive HOST to be www.htaccesselite.com
RewriteCond %{HTTP_HOST} !^www\.htaccesselite\.com$ [NC]

# 301 redirect everything to correct www.htaccesselite.com
RewriteRule ^(.*)$ http://www.htaccesselite.com/$1 [R=301,L]

# or you can use this rewriterule
#RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]

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RewriteCond %{HTTP_HOST} !^www\.htaccesselite\.com$
RewriteRule ^(.*)$ http://www.htaccesselite.com/$1 [R=301,L]


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RewriteCond %{HTTP_HOST} ^htaccesselite\.com$ [NC]
RewriteRule ^(.*) http://www.htaccesselite.com/$1 [QSA,L,R=301]


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RewriteCond %{HTTP_HOST} !^www\.htaccesselite\.com$ [NC]
RewriteRule ^(.*) http://www.htaccesselite.com/$1 [QSA,L,R=301]


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RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\..* [NC]
RewriteRule ^(.*) http://www.%{HTTP_HOST}/$1 [R=301]


For sites running on a port other than 80:

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RewriteCond %{HTTP_HOST}   !^fully\.qualified\.domain\.name [NC]
RewriteCond %{HTTP_HOST}   !^$
RewriteCond %{SERVER_PORT} !^80$
RewriteRule ^/(.*)         http://fully.qualified.domain.name:%{SERVER_PORT}/$1 [L,R=301]

And for a site running on port 80

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RewriteCond %{HTTP_HOST}   !^fully\.qualified\.domain\.name [NC]
RewriteCond %{HTTP_HOST}   !^$
RewriteRule ^/(.*)         http://fully.qualified.domain.name/$1 [L,R=301]

And for those of you on a Windows Server using ISAPI_Rewrite, it's as simple as adding this to your .ini file...

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RewriteCond Host: ^example\.com
RewriteRule (.*) http\://www\.example\.com$1 [I,RP]

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#------------------------------------------
# First optional line, include only in case of errors:
RewriteEngine On
# Second optional line, include only in case of errors:
Options +FollowSymLinks
# Optional start tag, requires use of corresponding end tag as well
< IfModule mod_rewrite.c >
# ----------------- the real stuff starts here
# IF there's a host field at all, AND
RewriteCond %{HTTP_HOST} .
# IF domain does not start with www, AND
RewriteCond %{HTTP_HOST} !^www\.threadwatch
# IF subdomain is not another one of those you like
RewriteCond %{HTTP_HOST} !^sub1\.threadwatch [NC]
RewriteCond %{HTTP_HOST} !^sub2\.threadwatch [NC]
RewriteCond %{HTTP_HOST} !^sub3\.threadwatch [NC]
RewriteCond %{HTTP_HOST} !^sub4\.threadwatch [NC]
RewriteCond %{HTTP_HOST} !^sub5\.threadwatch [NC]
# THEN redirect everything to an appropriate location
RewriteRule (.*) http //www.threadwatch.org/$1 [R=301,L]
# ----------------- the real stuff ends here
# Optional end tag, only if you have used the optional start tag
< /IfModule >
#------------------------------------------

Thanks for your info, but how to redirect my sub domain..........?