Users see "403 Forbidden" errors from their web browsers when going to a website through Web Security Service (WSS).
Authentication is enabled for WSS traffic.
Error "403 Forbidden" seen in a web browser.
Some websites do not allow access through a proxy like service, such as WSS, for security reasons.
Commonly, the solution to this issue is to bypass authentication and exempt the website from SSL interception.
Refer to the following for instructions on bypassing authentication and exempting from SSL interception:
Exempt traffic from SSL Interception