2.20.4. Error 424 (blocked by security rules)
Error 424 (blocked by security rules) occurs if the request contains signs of an attempt to exploit vulnerabilities in popular CMS to gain unauthorized access to site management. If you see this error in the site log, do not worry, it only means that someone tried to scan your site for vulnerabilities and we did not allow it.
Attention!Do not disable all the rules that are in Errorlog, as this increases the risk of the site being hacked.
If the 424 error occurs while working with the site, you can disable the triggered security rule. To do this, open Errorlog site and look for an entry that matches the request that failed (which can be determined by the time of the request, the IP address, and URI in the text of the error). Click "Disable rule" in the line with the found request, wait 15-30 minutes for the changes to take effect.
If necessary, you can disable the security system in site settings: