How are cookies named when stored on a client machine?

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  • Vince C.
    #1

    How are cookies named when stored on a client machine?

    Hi.

    I'm trying to work with cookies from ASP and I've noticed cookies are stored on
    my machine in two distinct forms. the first form is "Cookie:<us er name>@<web
    site>", which is a combination between my current logon ID and the visited web.
    The second is "<name>".

    I get the second form when I send a cookie from ASP script using the following
    instructions:

    <%@ Language=JavaSc ript %>
    <%
    function setCookie( szName, szValue )
    {
    Response.Cookie s(szName).Item = szValue;
    Response.Cookie s(szName).Expir es = "10/10/2004";
    }
    ....
    %>

    The value in szName becomes the cookie name. Note however the cookie *address*
    is like any others: "Cookie:<us er name>@<web site>".

    How did I get those cookies in the first form? Is the second form IIS-specific?

    Thanks,
    Vince C.


    Tags: None
    • MSFT
      #2
      RE: How are cookies named when stored on a client machine?

      Hi Vince,

      Different browsers store cookies in different ways. Internet Explorer
      stores the cookies for a site in a file whose name is in the format
      <user>@<domain> .txt, where <user> is your account name. For example, if
      your name is mikepope and you visit the site www.contoso.com, the cookies
      for that site will be in a file called mikepope@www.co ntoso.txt. (The name
      might include a sequential number, such as mikepope@www.co ntoso[1].txt.)
      The cookie text files are user-specific, so they are isolated by account.

      regarding the question, I think you first need ensure your logon as windows
      account to that IE can found the user name and web site.

      Luke
      Microsoft Online Support

      Get Secure! www.microsoft.com/security
      (This posting is provided "AS IS", with no warranties, and confers no
      rights.)



        Comment

        • Vince C.
          #3
          Re: How are cookies named when stored on a client machine?

          "MSFT" <lukezhan@onlin e.microsoft.com > a écrit dans le message de
          news:%231j%23mR JtDHA.636@cpmsf tngxa06.phx.gbl ...[color=blue]
          > Hi Vince,
          >
          > Different browsers store cookies in different ways. Internet Explorer
          > stores the cookies for a site in a file whose name is in the format
          > <user>@<domain> .txt, where <user> is your account name. For example, if
          > your name is mikepope and you visit the site www.contoso.com, the cookies
          > for that site will be in a file called mikepope@www.co ntoso.txt. (The name
          > might include a sequential number, such as mikepope@www.co ntoso[1].txt.)
          > The cookie text files are user-specific, so they are isolated by account.
          >
          > regarding the question, I think you first need ensure your logon as windows
          > account to that IE can found the user name and web site.[/color]

          Thanks, Luke.

          However I was mistaken when I described the second form. Instead of "<name>" I
          should have written "<folder>". For instance, I created a web application on my
          machine; when I browse http://localhost/webfolder and there is a cookie
          involved, it is named "/webfolder" instead of "Cookie:<lo gon name>@localhost ".

          I'd like to know why and when cookies are named differently. I mean the name
          that is displayed when you browse your temporary Internet files folder and use
          "Details" as a display mode. My cookie *file* name has the same syntax as the
          others but the *name* of the cookie is different. So I was not talking about the
          file name.

          To make it short why and when do I have cookie names like "/webfolder" and
          others like "Cookie:VinceC@ yoursite.com"?

          Vince C.


            Comment

            • MSFT
              #4
              Re: How are cookies named when stored on a client machine?

              Hi Vince,

              Cookie has the "path" property. If you put the asp file in "/AppName", the
              cookie will be like

              User@AppName

              If you put it in the wwwroot folder, it will be like

              User@localhost

              or

              User@ComputerNa me

              If your web server has a domain name like "www.mydomain.c om", it will be:

              user@domain.com

              Luke
              Microsoft Online Support

              Get Secure! www.microsoft.com/security
              (This posting is provided "AS IS", with no warranties, and confers no
              rights.)

                Comment

                • Vince C.
                  #5
                  Re: How are cookies named when stored on a client machine?

                  "MSFT" <lukezhan@onlin e.microsoft.com > a écrit dans le message de
                  news:aFOn$pXtDH A.1576@cpmsftng xa06.phx.gbl...[color=blue]
                  > Hi Vince,
                  >
                  > Cookie has the "path" property. If you put the asp file in "/AppName", the
                  > cookie will be like
                  >
                  > User@AppName
                  >
                  > If you put it in the wwwroot folder, it will be like
                  >
                  > User@localhost
                  >
                  > or
                  >
                  > User@ComputerNa me
                  >
                  > If your web server has a domain name like "www.mydomain.c om", it will be:
                  >
                  > user@domain.com
                  >
                  > Luke
                  > Microsoft Online Support[/color]

                  Thanks a lot, Luke.

                  Vince C.


                    Comment

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