Posted by David Grant on 11/23/05 10:55

$_SERVER['HTTP_USER_AGENT'] contains whatever the browser passes to the
server to identify itself, which may be faked by certain browsers at the
discretion of the user.

The two user agents you provide as an example are both extremely common.

Cheers,

David Grant

twistednetadmin wrote:
> Thanks guys. That helps alot!
>
> But this:
> <?php
> print $_SERVER['HTTP_USER_AGENT'];
> ?>
>
> Returned this using Mozilla: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US;
> rv:1.7.12) Gecko/20050915 Firefox/1.0.7
> And this using IE: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
>
> Does that just mean that it's not completely accurate?
>

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