Re: FBI tells the public to call their ISP for help

[Chris Adams <cmadams () hiwaay net>]

Once upon a time, John Levine <johnl () iecc com> said:
> I realize it's not a technical problem, although I suspect there are
> some technical twiddles that could help, e.g., persuading Microsoft to
> put the update servers in their own ASN to make it easier to put them
> in a sandbox.  And I realize that Microsoft's combination of arrogance
> and naivete can make them painful to deal with.

$ dig download.windowsupdate.com
;download.windowsupdate.com.    IN      A
download.windowsupdate.com. 3411 IN     CNAME   main.dl.wu.akadns.net.
main.dl.wu.akadns.net.  111     IN      CNAME   dom.dl.wu.akadns.net.
dom.dl.wu.akadns.net.   111     IN      CNAME   dl.wu.ms.edgesuite.net.
dl.wu.ms.edgesuite.net. 8080    IN      CNAME   a26.ms.akamai.net.
a26.ms.akamai.net.      20      IN      A       216.180.86.39
a26.ms.akamai.net.      20      IN      A       216.180.86.37
$ 

If you have Akamai servers, the IPs will be on your network (and of
course shared with many other sites).  You'd have to limit access with a
limited DNS server (since few will use or even know IPs to visit) that
only gives out DNS for certain hosts/domains.

-- 
Chris Adams <cmadams () hiwaay net>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.