Mod_security is an Apache module which is used in the intrusion detection and prevention for web applications in order to protect web applications from attacks has been predetermined or unknown, such as SQL injection attacks, cross-site scripting….
But besides the above benefits, the mod_security also caused many problems for you often have to edit the web site admin,or add or edit entries Site.
When you post many links in the article,photos get more links from other pages,or in the article contains a list of words to problems sql injection ,….Meanwhile your query is not executed and returned an error 403.
In such cases,you can actively turn off mod_security by 1 .htaccess file with the following content:
If your website has existed .htaccess file,you just need to add a piece on the end of the file is offline.
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Corrected 403 accessing the site admin to change,