firefox marionette bypass security exception
You have to use nightly build of firefox of developer edition for now. It will not work on the current version.
Firefox: 50.1.0Gecko Driver: 0.13 (install nuget package: Selenium.Firefox.WebDriver.0.13.0)
Firstly, open a standard Firefox browser, and make sure the default Firefox profile has added the unsecured site into the certificate exception list.C# code as follows:
FirefoxProfileManager fpManager = new FirefoxProfileManager();var profiles = fpManager.ExistingProfiles;var defaultProfile = fpManager.GetProfile(profiles.First());driver = new FirefoxDriver(defaultProfile);