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Stas Ponomaryov avatar Server

Redirect to folder only if root from other site referrer

dj flag
Stas Ponomaryov

I have a redirect from root to subfolder. If user visits https://example.com it redirects to https://example.com/subfolder. But I want it not to redirect if referrer is my site, so user can reach root page.

For example:

  1. User visits https://example.com
  2. It redirects to https://example.com/subfolder
  3. User visits https://example.com/subfolder/file.html
  4. there's a link on this page to https://example.com and he follows it
  5. It must open https://example.com and not to redirect

Here is my .htaccess:

RedirectMatch ^/$ https://example.com/

Please, give me an advice to solve the problem, I'm poor on .htaccess rules.

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kz flag
MrWhite

Here is my .htaccess:

RedirectMatch ^/$ https://example.com/

This obviously doesn't redirect to /subfolder as you suggest. It would create an endless redirect loop.

However, you can't check the Referer header using a mod_alias RedirectMatch. You need to use mod_rewrite (or an <If> expression) instead.

For example:

RewriteEngine On

RewriteCond %{HTTP_REFERER} !^https://example\.com($|/)
RewriteRule ^$ /subfolder/ [R,L]

Note that the check for an empty URL-path (ie. ^$) is intentional. The RewriteRule pattern does not match the slash prefix.

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Stas Ponomaryov avatar
dj flag
Stas Ponomaryov
That's it, thanks. But If I user folows example.com link from example/subfolder/file.html it would redirect to example.com/subfolder/
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kz flag
MrWhite
@StasPonomaryov Sorry, there was a typo in my answer. It should be `%{HTTP_REFERER}`, not `${...}`! I've updated my answer.
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Stas Ponomaryov avatar
dj flag
Stas Ponomaryov
Thanks, that was it!
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