Berkeley CSUA MOTD:Entry 18068
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2025/05/24 [General] UID:1000 Activity:popular
5/24    

2000/4/20-22 [Computer/SW/WWW/Browsers, Computer/SW/Unix] UID:18068 Activity:moderate
4/20    If I enter some information like my name or e-mail address in Edit ->
        Preferences -> Mail & Newsgroups -> Identity, is it possible for a
        web site that I visit to grab that information from my browser?
        \_ As of the last time I checked, no. Not without a bit of help from
           you, that is -- the one reasonably easy means of getting this
           data is if you submit a mailto: form. Most browsers notify you
           before submitting, but you may've turned off that warning in
           the past, and this may be automatic. A browser that allows websites
           _direct_ access to this information would have very likely by
           now become the center of a major scandal. -alexf
           \_ Javascript can be used to generate an email without any input
              from the user.  Netscape default used to be to pop up a dialog
              message for that type of generated email being sent, but I don't
              know if that is still the default.  --oj
           \_ I was under the impression, possibly mistaken, that certain
              types of cookies allowed web pages to track this sort of
              information.  Or is this just the case if, as you say, you
              submit the info manually, and the page sends it back to you
              in a tracking cookie?  -John
              \_ Okay, you visit a site for the first time.  You have cookies
                 on.  The site gives you a cookie that uniquely identifies
                 your browser.  This cookie can live indefinitely on your
                 hard disk.  The instructions with the cookie say, wherever
                 you go on my site, give me back that cookie.  So the site
                 knows exactly what you do on that site.  Now let's say
                 you submit your e-mail or name.  Now the site has
                 associated this information with your cookie.  Frankly,
                 I don't care.
              \_ Oh, by the way, the Identity info you enter into the
                 browser settings:  That's for whenever you click
                 on a mailto link so it will launch the mailer with the
                 right From information.  Same with newsgroups.  Sometimes
                 it uses that for built-in FTP if you click on an ftp
                 link.  There is no sekrit HTML tag that retrieves
                 this information out of your Netscape settings.  No big
                 whoop.
                 \_ sure there is. A dynamically generated form, submitted
                    by mailto, with the subject set to your cookie id.
                    Or a hidden field set to your cookie id.
2025/05/24 [General] UID:1000 Activity:popular
5/24    

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