Multiple cookies issue in OWIN security AuthenticationHandler
问题 I am using Facebook Owin Authentication and more or less follow Microsoft sample. I am more or less following the First time user logs in, everything is ok. But if they sign out and try again, it seems like the previous .AspNet.Correlation.Facebook is not removed, but set to empty string. So my next call to api/getexternallogin looks like this in Fiddler: This is when we are generating a correlationId and having multiple cookies at this point is not a show stopper. In the response, I set it