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I found a few strange visitors to my site. Using IE6, these visitors have hit a few pages of my site without specifying the referer on either of them ($_SERVER[“HTTP_REFERER”] evaluated as false – i.e. “direct hit”).
Now one of two things is possible. Either this is a bot pretending it’s IE, or a legitimate visitor who’s not sending the referrer information.
I don’t know of any way to hide this information using IE, but I wonder, can some other software block it? Like an antivirus, firewall?