>       FTP story was just an example.  independent from the FTP story, i am
>       - pointing out that the current text does not give any guidance
>         to incoming TCP SYN case, and

Isn't the text enough?  It looks to me that incoming TCP SYN 'MUST'
be allowed by default.

|    implementation MAY prevent any new communication from using a
|    deprecated address, but system management MUST have the ability to
|    disable such a facility, and the facility MUST be disabled by
|    default.

>       - we should drop incoming TCP SYN to deprecated addresses.

I don't think so.  Just the same reason of Pekka's comment.

Atsushi Onoe
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