Setting Cookies to Secure and HTTPOnly but they are not when tested

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  I'm trying to set all cookies to Secure and HTTPOnly, and in web.config > system.web I set this:

      <httpCookies httpOnlyCookies="true" requireSSL="true" />

  Next when I set the actual cookies on the login page, I'm doing this (and confirm while debugging they are set properly):
  

      myCookie.HttpOnly = True
      If Request.IsSecureConnection.Equals(True) Then
          myCookie.Secure = True
      End If

  But when I get to the destination page and print out the cookie info, I clearly shows that they are not set:
  
      ASP.NET_SessionId = 50yahcmaeayyipj1vkubava0; Secure = False; HTTPOnly = False
       SSOLoggedIn = True; Secure = False; HTTPOnly = False  

  Here is the login process if it makes any difference:
  
  User logs in on login.aspx gets redirected to default.aspx which is a frameset, then the main window is loaded with a Splash page that shows a spinner while homepage.aspx loads. It's on homepage.aspx that the cookies are printed out in a debug output; just checked and they are false on the splash page as well.

  I confirmed that we are in HTTPS the whole time.

  Having set this in code, I never would have expected them to not retain these settings, but this was picked up in our Web Application Scan for vulnerabilities.

  Any assistance would be gratefully appreciated.

  Thanks,

  JW

  ---

  John Waller DocXellent.com

  • Moved by Sara LiuMicrosoft contingent staff Monday, October 23, 2017 1:23 AM about asp.net

  Monday, October 16, 2017 3:34 PM

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