[BlueOnyx:20046] Re: Problem with mod_include (SSI) and mod_deflate

Michael Stauber mstauber at blueonyx.it
Wed Aug 31 16:11:50 -05 2016


Hi Dirk,

> hmm, I checked another 5209R and this server have also the lines
> 
> # Enable GZip Compression:
> AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript
> DeflateCompressionLevel 9
> 
> In /etc/httpd/conf.d/ssl_bx.conf
> 
> And I also checked with .shtml files. Also .shtml files with SSI included cannot be displayed. Also the same error-message.

Yeah, I added that in the last few days. I thought it would be a good
idea to turn Gzip compression on. I didn't expect that it would cause
any problems.

According to the Apache docs it says:

The DEFLATE filter is always inserted after RESOURCE filters like PHP or
SSI. It never touches internal subrequests.

See: http://httpd.apache.org/docs/2.4/mod/mod_deflate.html

But a quick Google search indeed turns up some issues:

https://www.google.com/search?q=Apache+mod_deflate+SSI

Some are related to an (old?) bug in mod_deflate, which might (or might
not) be fixed in the version we're using on 5209R.

I'll give it a look in a moment. If I can't fix it today, I'll roll up a
modified base-ssl that turns the default Gzip compression off again.

-- 
With best regards

Michael Stauber



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