Rule execution error – PCRE limits exceeded (-8)


[Tue 01 11:14:37 ] [error] [client XX.XX.XX.XX] ModSecurity: Rule execution error – PCRE limits exceeded (-8): (null). [hostname “www.domainname.com”] [uri “/client/forgot_password.php”] [unique_id “HADMQWW3LaKoLKAiYAAaAAP”]

To fix This modsecurity issue with the domain, followed the steps given below :

1) Login to the server as root.
2)Go to directory /usr/local/apache/conf
Run :
[root@localhost~]# cd /usr/local/apache/conf
3)Then Create a file “pcre_modsecurity_exceeded_limits.conf” and paste following lines in it.
Run :

[root@localhost conf]# vi pcre_modsecurity_exceeded_limits.conf Code need to be paste :

SecPcreMatchLimit 150000
SecPcreMatchLimitRecursion 150000

4) Save and quit the file.
5) Make sure that the permissions assigned for the file are 600.
Run :
[root@localhost ~]# chmod 600 /usr/local/apache/conf/pcre_modsecurity_exceeded_limits.conf
6) Now open the file /usr/local/apachec/conf/modsec2.user.conf .

[root@server ~]# vi /usr/local/apachec/conf/modsec2.user.conf
7) Find the line ““
8 ) Add following line just below the above mentioned line that is ““
—————————————————–
Include “/usr/local/apache/conf/pcre_modsecurity_exceeded_limits.conf”
—————————————————–
9)Save and quit the file.
10) Now just restart your apache and mysql service.

[root@localhost ~]# /etc/init.d/httpd restart ; /etc/init.d/mysqld restart


HR-ADMIN

Recent Posts

Website Bandwidth: What it is and Why it Matters?

Introduction In today's digital world, understanding website bandwidth is essential for anyone running a website. Whether you own a blog,…

11 hours ago

Will AI Replace Developers in the Future?

Artificial intelligence is changing the tech world at lightning speed. From automated chatbots to AI-generated applications, many people are now…

1 week ago

What is Bot Traffic? Easy Ways to Detect and Block It

Introduction to Bot Traffic Bot traffic refers to visits to a website that come from automated software programs rather than…

2 weeks ago

100+ Essential Windows Commands You Can’t Ignore

Windows may look like a point-and-click operating system, but under the hood, commands still do a lot of the heavy…

3 weeks ago

YouTube Shorts for Beginners: Step-by-Step Guide (2026)

YouTube Shorts are short-form vertical videos designed for quick consumption, typically lasting up to 60 seconds. In 2026, they’ve become…

4 weeks ago