- After reboot sites using PHP-FastCGI show 500 Internal Server Error
- The following records can be found in
CONFIG_TEXT: (104)Connection reset by peer: mod_fcgid: error reading data from FastCGI server
Premature end of script headers: index.php
- The following messages appear when
dmesgcommand is being run:
grsec: denied untrusted exec (due to being in untrusted group and file in non-root-owned directory) of /usr/sbin/suexec by /usr/sbin/suexec[httpd:1389] uid/euid:502/502 gid/egid:503/503, parent /usr/sbin/httpd[httpd:28239] uid/euid:0/502 gid/egid:503/503
- Non-standard kernel is used:
# uname -a
Linux example.host 4.4.92-2489.el6.art.x86_64 #1 SMP Mon Oct 16 15:55:18 EDT 2017 x86_64 x86_64 x86_64 GNU/Linux
Grsecurity system is blocking the correct work of
/usr/sbin/suexec wrapper used by Apache.
Disable Grsecurity by booting the system with a standard kernel. Currently, Grsecurity on CentOS is not supported by Plesk.
Note: This may be done by editing /etc/grub.conf.