Semi-OT: blade servers, backplanes, and DMZs

[Phil Burg <Phil.Burg () colesmyer com au>]

Folks

a somewhat off-topic question that I'd appreciate some insight into:

A client has proposed implementing blade servers in a common enclosure on
two different DMZs
(obviously with two different security policies in place).

My immediate response is no - the claim that nothing can possibly leak
across a blade enclosure
backplane sounds a lot like the old claims about VLANs being effective
security devices -
but the client sees an opportunity to save floor space in a data centre, and
is pushing hard.

If anybody has any practical experience with the engineering aspects of
blade enclosures that they'd
care to share, I'd be very grateful.

thanks
Phil
--
Phil Burg
Senior Security Adviser
IT S&A Security and Governance
Coles Myer Ltd
(03) 9483 7165 / 0409 028 411

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