>BPF uses a byte-code language, like Java, to tell the
>matching routine what bits to compare and return a "true or
>false".  i.e. you need to build things around it if you want
>to use it for packet matching, etc.


BPF doesn't seem to lend itself to "keeping state" either.  It's a
packet filtering language that has no provisions for keeping external
state, AFAIK.

Casper

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