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Editorial Team
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Asked: 2026-05-22T23:55:27+00:00

Using this rule in a virtual host configuration file leads to double escaping of

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Using this rule in a virtual host configuration file leads to double escaping of the query parameters:

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

For example:

http://example.com?f=hello%20world

Leads to

https://example.com?f=hello%2520world

Note the “%25” escaping the “%” sign. Why is this happening ?

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1 Answer

  1. Editorial Team

    Try to add the [NE] (noescape) tag at the end of the rewrite rule:

    RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [NE]

    This happens because & and ? and some others are escaped by default in the rewrite process.

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