I used a form using content manager. The form is used to edit the content of the page. When I tried to edit by giving
Later i came to know it is due to mod_security enabled by my host provider. When enabling mod_security, the access is denied to few matches like
Access denied with code 403. Pattern match ".*([Cc][Cc]|[Bb][Cc][Cc]|[Tt][Oo])[[:space:]]*:.*@" at ARGS_VALUES("FCKeditor1")
When submitting certain words in content, we might receive a 403, 404, 406 or 500 error message.
This behaviour is most likely caused by the Apache module mod_security. Depending on its filter settings, phrases that trip the module include
lynx, perl, mother, select from, table, cc:, and many more.
To tun off this setting we should write the below code in .htaccess file:
This will turn off filtering by mod_security.