I just stumbled upon this accidentally! I realised that contact us pages are more exposed to spam bots and whatnot when you actually name the contact us page as contact.php or something similar. So I tried naming the file con.php. Works great on the server, but something interesting happened on my Windows desktop.

Apparently con.php cannot be created, copied or moved on to a Windows desktop for some reason. I’ve tried this on two different computers, both running Windows XP, and I got the same result.
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December 14th, 2007 at 9:39 am
hi!! that’s because de word CON it’s a command of the windows console… or of the ms legacy os… ain’t realy sure… just try to create any file or folder with that word and the system won’t allow you… there are others cases too… greetings from argentina!
December 14th, 2007 at 6:31 pm
Heh, yeah, wonder why Microsoft kept that in XP.
January 20th, 2008 at 2:08 am
CON is a Console device similar like NUL, LPT1 and so forth.
February 1st, 2008 at 5:53 am
cool