> first posting to this list...been lurking for a while,
> and the conversation looked intersting ;)...
>
> >SIPRNET
>
> correct, and the other side of the coin is NIPRNET,
> (Nonsecure, etc..)
>
> we don't use IPv6 ...NIPRNET or SIPRNET ;)
>
> and Jimi, IRT what you said:
>
> > Well their secret network called the SIPERNET (I think that's the
way it's
> > spelled) which means Secret Internet Protocol Network. They do use
TCP/IP
> > on their classified and top secret machines but it is a closed
circuit
> away
> > from the internet.
>
> correct as well, physically removed from the rest of the internet,
> in fact many secure boxen are "stand-alone" and have to be
> to become accredited from SECRET on up to TS/SCI, etc...
>
NIPRNET unclassified
SIPRNET secret
TSIPRNET Top-secret
SCIPRNET SCI
Generally speaking the TSIPRNET is controlled really tightly
SCIPRNET is even tighter, not being allowed to leave a building. Of
course this stuff runs all over the Pentagon.
There are even Noforn (PURPLE) networks, but they are room based.
Generally speaking you should never see the same IP subnets used on
differnet networks. They are normally interconnected in a fashion that
allows email to traverse from lower to higher networks without any
problems, and from higher to lower networks via secured watchdog
systems. In fact had to figure out how a Vice Admiral in the Joint
Chiefs was sending mail from his SCIPRNET account to his wife at home.
It was pretty ingenious.
David C Prall DCP Technologies
CCDA CCNA MCNE MCSE Alexandria, VA
[EMAIL PROTECTED] http://www.dcptech.com
http://dcp.dcptech.com
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