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rewrite for subdomain to SSL?

Posted on 2006-11-03
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Last Modified: 2011-09-20
Hello,

I’m looking to enforce SSL access to a subdomain using a rewrite rule.  When users visit http://subdomain.domain.com/* the rewrite rule should point the user at httpS://subdomain.domain.com/*

I’ve looked at the following rule, which works across the whole site, but I’m not familiar with the syntax to modify it for a subdomain only.

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

Any help appreciated,
/wl
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Question by:windylad
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4 Comments
 
LVL 43

Expert Comment

by:ravenpl
ID: 17865796
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteCond %{HTTP_HOST} ^(www\.)?subdomain.domain.com
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
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LVL 43

Accepted Solution

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ravenpl earned 1000 total points
ID: 17865806
Oh, the last rule should look like [last, redirect externally]
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L,R]
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Author Comment

by:windylad
ID: 17866317
Hi ravenpl,

Thanks for the answer.  I've tried both of the following and both work; whats the difference in the last line?

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteCond %{HTTP_HOST} ^(www\.)?subdomain.domain.com
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteCond %{HTTP_HOST} ^(www\.)?subdomain.domain.com
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L,R]

Thanks,
/wl
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LVL 43

Expert Comment

by:ravenpl
ID: 17866370
L - means don't try next rewriteRules on this result
R - means don't rewrite, but redirect(301 response code is sent to client) - I guess it's default if protocols/ports do not match...
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