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Apache Web Server Forum

Content-Encoding is not set in response when using zlib

10+ Year Member

Msg#: 5524 posted 4:37 pm on Feb 6, 2006 (gmt 0)

I enabled automatic gzip compression with the following lines in

php_value zlib.output_compression On
php_value zlib.output_compression_level 5

The problem is that the Content-Encoding header does not get set at all
in the response. Therefore, a browser that advertises itself as
supporting gzip compression (Accept-Encoding: gzip,deflate) receives
compressed content but does not know it is compressed.

If I manually add the following to my script:

header("Content-Encoding: gzip");

... it then works.

I'm using PHP Version 4.4.2 with the following Configure Command

'./configure' '--with-apache=../apache_1.3.34' '--with-openssl'
'--with-gd' '--with-mysql' '--enable-trans-sid' '--enable-track-vars'
'--with-jpeg-dir=/usr' '--with-png-dir=/usr' '--with-zlib=/usr'
'--enable-mbstring' '--enable-ftp' '--enable-exif'
'--with-freetype-dir=/usr/local' '--with-pspell=/usr/local'

Zlib settings:
ZLib Support enabled
Compiled Version 1.2.2
Linked Version 1.2.2

Any ideas of what might be causing this?


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