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user46688
Asked: 2017-01-09 13:45:43 +0800 CST

htaccess redirect changes encoding of HTML response

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I've set Apache 2.4 server to AddDefaultCharset utf-8 in httpd.conf and my .htaccess file redirects all non-www and http to https://www.example.com

RewriteEngine On
RewriteCond %{HTTP_HOST} ^example\.com$ [OR]
RewriteCond %{HTTPS} !on
RewriteRule ^(.*)$ https//www.example.com/$1 [R=301,L,NE]

If I look at HTTP response header, only traffic sent to https://www.example.com generates a UTF-8 response. The non-www and http traffic respond with ISO-8859-1 charset.

Anyone know how to ensure all URL-redirect HTTP responses are in UTF-8?

web-server .htaccess utf-8

2 Answers

  1. Best Answer

    This would seem to be default behaviour, since the Apache redirect response is encoded as ISO-8859-1. However, Apache does allow you to suppress the charset parameter in the response by setting the suppress-error-charset environment variable:

    # set desired env variable to suppress iso-8859-1 charset
SetEnvIf Host ^ suppress-error-charset

    However, it cannot be changed to a different charset.

    Reference:

    • 3

  2. I found a way to change the charset instead of removing it:

    Header always edit Content-Type 'iso-8859-1' 'utf-8'

    This will apply to all request but if you’re not using ISO-8859-1 that’s not really a problem.

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