Re: WPAD DNS floods

[Jeff Kell <jeff-kell () UTC EDU>]

Gary Flynn wrote:
> Anyone seen floods to wpad.university.edu and tracked
> the problem down? We've seen it intermittently in the
> past but not to a significant degree but we just experienced
> substantial performance impact on our DNS servers from one
> student machine. We've got the machine in hand and are
> investigating but I thought I'd ask.

Yes, that's Windows Proxy Automatic Detection.  If you have a captive
portal type of application, it will likewise be flooded with requests to
GET wpad.dat.

Vista must die :-)

Jeff