62 lines
2.1 KiB
Markdown
62 lines
2.1 KiB
Markdown
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---
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title: "Permanently redirect WordPress pages"
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kind: article
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slug: permanently-redirect-wordpress-pages
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created_at: 2008-04-15
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tags:
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- General
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- Wordpress
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- apache
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- apache2
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- rewrite
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- mod_rewrite
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- permalinks
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---
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After my trip to Mephisto some time back, I noticed that some pages were accessible from different URLs. After moving back to WordPress, these permalinks no longer work.
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I'm running WordPress with Apache2, so it shouldn't be too hard redirect those old permalinks to their new locations. (That's what rewriting is all about anyway).
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Here is the default .htaccess file generated by WordPress:
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<pre lang="text"># BEGIN WordPress
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<IfModule mod_rewrite.c>
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RewriteEngine On
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RewriteBase /
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RewriteCond %{REQUEST_FILENAME} !-f
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RewriteCond %{REQUEST_FILENAME} !-d
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RewriteRule . /index.php [L]
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</IfModule>
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# END WordPress</pre>
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As I said, it's <strong>generated</strong> by WordPress. It would be very unwise to edit this, because our changes might get lost in the future.
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The solution is simple. Add another block above the generated one that does permanent redirects. In this example I rewrite <a href="http://ariejan.net/pages/svnsheet">pages/svnsheet</a> to <a href="http://ariejan.net/svncheatsheet">http://ariejan.net/svncheatsheet</a>.
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<pre lang="text"><IfModule mod_rewrite.c>
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RewriteEngine On
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RewriteBase /
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RewriteCond %{REQUEST_FILENAME} !-f
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RewriteCond %{REQUEST_FILENAME} !-d
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RewriteRule ^pages/svnsheet$ http://ariejan.net/svncheatsheet [R=301,L]
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</IfModule>
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# BEGIN WordPress
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<IfModule mod_rewrite.c>
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RewriteEngine On
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RewriteBase /
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RewriteCond %{REQUEST_FILENAME} !-f
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RewriteCond %{REQUEST_FILENAME} !-d
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RewriteRule . /index.php [L]
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</IfModule>
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# END WordPress</pre>
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FYI, the R=301 means the browser (or search bot) receives a "Moved Permanently" message. L means this is the <strong>l</strong>ast rewrite rule to read.
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Of course, you can go nuts and add all sorts of funky regular expressions to rewrite URLs.
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The nice thing is that WordPress will only replaces the block between the BEGIN and END tags, keeping your rewrites in tact.
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Note: don't forget to restart apache if your rewrites don't seem to work.
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