>>>>> "Michael" == Michael StJohns <[EMAIL PROTECTED]> writes:

    Michael> At 03:30 PM 10/2/2008, Sam Hartman wrote:
    >> You're proposing a huge complexity increase for the TCP stack
    >> in order to get this covert channel protection.

    Michael> Hi Sam -

    Michael> The guys at Honeywell who did the fix for Multics back in
    Michael> '87 took about 2 days to do the fix.  The complexity was
    Michael> pretty much limited to a single module and a few internal
    Michael> structures which described the TCP context. Basically
    Michael> tagging the TCP connection structure with the security
    Michael> level of the process and changing the matching logic
    Michael> already in place to do the right thing with respect to
    Michael> security.


I consider that a huge change to what is a fairly public interface.
>From an implementation standpoint I expect you will find that is more
work on a modern TCP implementation as well.


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