Clearing cache in a web browser because the Request.ServerVariables("LOGON_USER") has a value when reloading the page

I have a login page and I want the user to have to login again if the page is reloaded, etc.  

I added these lines to the top of an asp page:

Response.Buffer = TRUE
Response.ExpiresAbsolute = Now() - 1
Response.Expires = 0
Response.CacheControl = "no-cache"

and then I check the Request.ServerVariables("LOGON_USER") to see if the len = 0 and the first time through it is.  After the user logins I am keeping them on this page and when I reload the page, I want the user to be prompted to login again.  Is there anyway to do this?  


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You might try calling a Session.Abandon() as that should kill everything else.


i think you use basic auth ,
here is an article about this:;en-us;195192

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Assuming that you ARE using Basic authentication, then I think you have to generate an HTTP header for this:

Response.Addheader "WWW-Authenticate", "BASIC"
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