With a RewriteRule directive you can deny access to a specific IP address or multiple ip addresses at ones. If you need to deny access to a visitor IP address you can use a RewriteRule directive in htaccess file that checks the visitor IP address and blocks access to that address. Blocking IP addressess using…
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In this post we will learn how to redirect a URL with query string using RewriteRule directive in htaccess. Query string represents URL part that is after ? character in URL. A URL with query string looks like the following example URL: http://example.com/file.php?q=foo&lang=en As you can see the above example URL contains a querystring q=foo&lang=en…
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It is quite possible to redirect http and non www requests to https and www with one single redirect using a RewriteRule in htaccess. Assuming, you want your site visitors to always redirect to https://www version of your site regardless of they come by http or non-www you can use a single redirect Rule that…
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You can set an environment variable using your htaccess file. There are two ways to do this via an htaccess. RewriteRule SetEnv directive Setting env variable via RewriteRule To set env variable through a RewriteRule, you need to use E flag. Syntex for the E flag is as follows E=variable:value . The following is basic…
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Mod proxy is a powerful Apache modules and provides URL rewriting and domain mapping capabilities. With proxy module enabled on apache server you can rewrite your domain URLs to an external domain that is being hosted on a diffrent web server. Proxy module allows you to use P flag (Proxy) in RewriteRule directive to rewrite…
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The search ranking of your domain can go down If your website is accessible with and without www as both URLs with same contents are indexed by search engines and can cause duplicate contents issues. In this case, all you need to do is either redirect your www subdomain to non-www (naked domain) or the…
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RewriteRule directive uses a Regular expression based pattern to match against URL path. In this post we will cover some basic and commonly used patterns that are most often used in RewriteRule. RewriteRule basic regex (.*) Catch-all and save (zero or more characters) (.+) Catch-all and save (one or more characters) ([a-zA-Z0-9]+) Catch-all alpha numbric…
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Redirect non-logged in users using htaccess With apache mod-rewrite it is quite possible to manipulate http cookies. The cookie you set using php or RewriteRule can easily be accessed using RewriteCond directive. If you need to redirect your non-logged in users of your website to a diffrent page using RewriteRule you need to check the…
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Many users who use htaccess often get confused by mod-rewrite %{THE_REQUEST} variable. The questions what is it and how do we use it appear on their mind. In this post I will explain what %{THE_REQUEST} actually is and how we can use it in rewriteRule. What is %{THE_REQUEST} in mod rewrite? %{THE_REQUEST} is a mod…
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How to remove multiple file extensions using RewriteRule in htaccess ? .htaccess is a directory level configuration file used on apache server. Many users who don’t have access to their main server.config file use htaccess to rewrite URLs and configure other custom server settings. Htaccess is often used by Apache users to shorten URLs when…
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