406 Error - Not Acceptable
What is the 406 Error?
Web browsers make a request for information from the server. When this happens, it sends an Accept header. This tells the server in what formats the browser can accept the data. If the server cannot send data in a format requested in the Accept header, the server sends the 406 Not Acceptable error.
The error can also be generated by the mod_security module. Mod_security, a type of firewall program that runs on Apache web server, scans for violations of the rules it has set. If an action occurs that violates one of these rules, the server will throw a 406 error.
What caused this error on my site?In regards to a site on your hosting account, the cause of the 406 error is usually due to a mod_security rule on the server. Mod_security is a security module in the Apache web server that is enabled by default on all hosting accounts. If a site, page, or function violates one of these rules, server may send the 406 Not Acceptable error.
How can I prevent it?
Mod_security can be turned off. You can also disable specific ModSecurity rules or disable ModSecurity for each domain individually. If you would like mod_security disabled you can disable mod_security via our Modsec manager plugin in cPanel.
Note! You may not have the option to enable or disable mod_security in your cPanel on VPS or Dedicated servers. To disable mod_security on accounts that don't have the option in cPanel, you will need to use command line via SSH or contact tech support to disable/enable it for you.
Alternatively, if you only need certain select rules disabled instead of having it turned off for an entire domain, you can email email@example.com to do so. If you send an email, for verification purposes please provide us with the original cPanel password, the current AMP password, or the last four digits of the current credit card on file.
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