fastcgi incomplete headers issues

[ephigenie]

Pls try changing your /etc/apache2/mods-available/fastcgi.conf
(or fastcgi_ispcp.conf accordingly)

Find the line with :
FastCgiConfig ...

and comment it out.
the place a new line beyound that with :

Code:

FastCgiConfig -idle-timeout 300 -killInterval 60 -multiThreshold 80 -startDelay 5 -maxClassProcesses 10 -maxProcesses 400 -minProcesses 10 -listen-queue-depth 400 -pass-header HTTP_AUTHORIZATION

maybe this helps.
This are the settings i'm currently using on this server we've had 500's for a long time.
And in addition since the isp-control.net domain is under heavy usage, i set

Code:

PHP_FCGI_CHILDREN=15

in my php-fcgi-starter.

Hope that helps.

Disabling fastcgi completely is not an option i would really consider seriously.
Because then there's only little protection left to keep intruders away from accessing data they do not own ...