server problems 403, file not found

[AnthonyV]

yeah knowing which rule is great

I had the same problem at NameCheap.   A asked them for help and they fixed it for me.

The log entry the support tech gave me was:

ModSecurity: Access denied with code 403 (phase 2). String match "\\"" at ARGS_POST:post-content. [file "/var/cpanel/cwaf/rules/32_Apps_OtherApps.conf"] [line "1544"] [id "240710"] [rev "1"] [msg "COMODO WAF: Multiple cross-site scripting (XSS) vulnerabilities in GetSimple CMS before 3.3.6 (CVE-2015-5355)