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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: LSR and packet filters
> >> a packet transmitted between two nonfaulty end systems A > >> and B will have a high probability of being delivered, > >> provided that at least one path consists of nonfaulty > >> components connects the two end systems. [...] The > >> network layer makes no attempt to keep conversations > >> private. If privacy is necessary, encryption must be > >> done at a higher layer. Also, the network layer need not > >> certify data that it delivers. For instance, it is > >> possible for some malicious node C to generate data, get > >> it delivered to B, and claim that the data was from A. > >> It is up to the higher layer in B to differentiate > >> between corrupted or counterfeit data and real data, > >> using known cryptographic techniques". > > > >Well, then he is *WRONG*. Authentication and privacy should be a function > >of the network layer, not the application layer because it is a lot easier > >to attack application layer encryption compared to lower layers. > > Radia is a she. Anyone who has been in this field for more than 2 years > should know that even if you can't guess what tli or pst or Yakov are :-) Quoting Marcus Ranum: "I do not care who or what that is as long as it makes sense". Alex
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