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Apache PHP FPM and “Primary Script Unknown”

Dec 10th, 2023

in WWW apache fastcgi log php problem

A while back, I wrote about dealing with the Apache / FastCGI error ‘Primary script unknown’ when trying to access non-existent PHP files. Bots often do this trying to test for vulnerabilities, and it can fill up error logs and be annoying to look through. In that post, I fixed the problem through mod_rewrite and a RewriteCond. For PHP 2.4+, there is a more broad and likely more efficient solution using the <If> directive. It will work for all virtual hosts on a server.

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FastCGI and “Primary Script Unknown”

Apr 24th, 2020

in WWW apache fastcgi log php problem

If you’re routing requests for script file names through FastCGI, and don’t have some rule to catch requests for unknown scripts, you might find errors like:

Got error 'Primary script unknown\n'

in your error log.

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Jan 25th, 2016

in WWW dreamhost fastcgi http status symfony

Struggling to figure out why every response from my Symfony application is showing up in the log files as a ‘200’ status. I thought it was related to this and this, since I’m running under FastCGI on Dreamhost, but attempting to set a Status header didn’t help. Setting a regular response header in a plain PHP file does work, in fact. If I use ‘mod_rewrite’ to write another URL to load that same plain file, however, the status shows as ‘200’, so it must have something to do with ‘mod_rewrite’. Must get to bed though, so I will have to try another day.