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I said: > Safety and privacy are attriibutes of end systems, not of the network Alan Hyslop asked: > Does this mean we don't need point-to-point (line) encryption? I don't see what good line encryption does unless you want to protect your traffic patterns from analysis. Governments use this technology so that other governments can't deduce, for example, a planned military operation from a surge of military traffic. If you are concerned mostly about preventing abuse of access by insiders, it does no good at all. If you are worried about hackers, it does very little good as they will attack your routers, your firewall and other network assets at which line encryptors don't protect traffic. So when you use encryption as a mechanism to support access control, it really has to be end-to-end and implemented at a higher level in the protocol stack, Ross %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%