Re: hotmail not dealing with ECN

Rick Jones
2001-01-26T18:05:03Z

> As David pointed out, it is "reserved for future use - you must set
> these bits to zero and not use it _for your own purposes_. For non-rfc
> use of these bits _will_ break something the day we start using them
> for something useful.
>
> 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.

rick jones
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