I agree with Balazs suggestion and his reasoning.

Rainer 

> -----Original Message-----
> From: Balazs Scheidler [mailto:[EMAIL PROTECTED] 
> Sent: Tuesday, January 10, 2006 10:52 AM
> To: Rainer Gerhards
> Cc: [EMAIL PROTECTED]
> Subject: RE: [Syslog] Charter comments from IESG Review
> 
> On Mon, 2006-01-09 at 09:08 +0100, Rainer Gerhards wrote:
> 
> > Of course, a threat model should also be developed, but 
> please keep in
> > mind that anything other than signatures breaks what this 
> WG has fought
> > for since Vancouver.
> > 
> > syslog-protocol should be finished (I hope we are there 
> soon) as well as
> > syslog-transport-udp. Then, these both should be taken to a rest and
> > syslog-sign be modified in the sense of -transport and 
> being worked on.
> > I think this can probably done quickly, because -sign is 
> almost complete
> > and just needs to be modified to take advantage of -protocol.
> > 
> > To be honest, though, I have to admit that I expect many of 
> the upcoming
> > implementations to violate syslog-protocol by just implementing
> > -protocol and -transport-udp, but not -sign. But that's probably not
> > something to care about...
> 
> I know that some other mails discussed the same topic and a
> misunderstanding has already been resolved about whether to support
> transport-udp or not.
> 
> I would say that addressing the security concerns at the 
> transport level
> is way easier management and implementation wise than implementing
> syslog-sign. And in addition they address a different problem:
> 
> 1) transport level implements security mechanisms on a per hop-by-hop
> basis, the message itself is not authenticated, each of the relay
> stations can modify the message
> 
> 2) syslog-sign implements per-message, end-to-end 
> authenticity where the
> relay hosts cannot modify messages as they are individually signed by
> their origin.
> 
> So I'd go with using TLS/DTLS on the transport first and then possibly
> adapting syslog-sign when the transport issues are resolved.
> 
> -- 
> Bazsi
> 
> 

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