On Fri, 24 Mar 2000, mouss wrote:
> US5983350: Secure firewall supporting different levels of authentication
> based on address or encryption status
> (see http://www.patents.ibm.com/details?pn=US05983350 for example).
>
>
> seems secure computing have patented something used ince a long time!
> This is for example used in the gauntlet since a long time,
> and I'm not sure but probably some IPSec implementaions as well (yeas, IPSec
> is recent but not the Gauntlet).
>
> is it still a stupid patent or what?
> or am I missing something?
It's probably also prior-arted by things like DG/UX B2 feature, which is
Red Book B2, and therefore conatins TNI code that should cover at least
the IP address thing, and I'd guess the capability set stuff would cover
keys or auth methods.
Paul
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