Denying user agents causes unexpected results
Article ID: 168498
Web Security Service - WSS
When browsing using IE 11, the browser reports incorrect user agents. For example, Firefox is listed as the agent instead IE. This seems to depend on the domain hosting the websites.
Changes made to the way IE 11 reports the user agent.
Add the website to the browser compatibility list, which forces IE to use the correct user agent.
WorkaroundThe resolution is the workaround