So for reference to anyone in future:
The Proxying of the webwork content through a WAF (possibly through any proxy server/service), throws this error when DOS protection/CSS Protection and any possible custom rules are added.
You will need to turn these off, and craft the Rules for the URL.
The Proxying of the webwork content through a WAF (possibly through any proxy server/service), throws this error when DOS protection/CSS Protection and any possible custom rules are added.
You will need to turn these off, and craft the Rules for the URL.