How do you remove HttpOnly cookies?

Question

If my application places HttpOnly cookies on a client and then needs to remove them how can you remove them completely?

Answer 1

You can cause the cookie to expire when the user visits your website, for example:

HttpCookie expiredCookie = new HttpCookie(cookieName);
expiredCookie.Expires = DateTime.UtcNow.AddDays(-1);
Response.Cookies.Add(expiredCookie);

You'll have to do this for every cookie you want to be removed.