Messages in this thread | | | Subject | Re: hotmail not dealing with ECN | Date | Wed, 31 Jan 2001 10:56:10 +0000 (GMT) | From | Alan Cox <> |
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> > So, no reason for a firewall author to check these bits. > > I thought that most firewalls were supposed to be insanely paranoid. > Perhaps it would be considered a possible covert data channel, as > farfecthed as that may sound.
If you care about such things you run pure proxy. A packet filter is a simple access barrier it isnt designed to stop information leakage
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