On Nov 22, 2007, at 12:08 PM, daniel grotti wrote:

Hi all,
so why don't emphasize this point in the next draft, saying : "Proxy server MUST not read messages with "recipient=endpoint" paramenter setted".
This is my point of you.




because from a security standpoint, this prohibition is meaningless. Intermediate nodes can and will read anything that's in plaintext, and SOMEBODY will come up with a rationale, in some context or another, for doing so.

And has been pointed out, doing so does not appear to create a compatibility problem. It doesn't break the protocol. It might defeat security-through-obscurity. It might be rude, or otherwise socially unacceptable. But those don't qualify for a MUST level protocol prohibition.

--
Dean



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