Errors and features of the Mozilla Firefox and Google Chrome browsers with Content Security Policy
java - favicon.ico blocked by CSP when fetching JSON on Firefox - Stack Overflow
I get an error: "Blocked by Content Security Policy" when I open any e-mail. It say further "Firefox prevented this page from loading" | Firefox Support Forum | Mozilla Support
Errors and features of the Mozilla Firefox and Google Chrome browsers with Content Security Policy
Post Install Instructions blocked by CSP · Issue #19 · justicenation/sfdc-dml-history · GitHub
Errors and features of the Mozilla Firefox and Google Chrome browsers with Content Security Policy