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Re: Meeting Network Requirements ION Published

2008-03-25 04:25:25
On Wed, 5 Mar 2008, IETF Administrative Director wrote:
The IAOC has published the IETF Meeting Network Requirements ION at

The purpose of the document is to assist IETF meeting Hosts and technical
teams with the network requirements in support of the week-long IETF

Editors were Karen O'Donoghue, Jim Martin, Chris Elliott, and Joel
Jaeggli whose hard won experience with designing and deploying these
networks will serve others well.

Not sure how relevant this is given the earlier ION statement, but a 
few things I'd like to clarify in this:

- S3 has "All locations for network gear, with the exception of 
wireless APs, MUST be secure."

What does "secure" mean in this context?  My observation is that this 
may the case if secure means "physically attached so that no one 
should, without big hassle, be able to steal the device".

If "secure" means something else, for example, "impossible to fiddle 
with cabling, e.g. add your own laptop as a bridge to the uplink port, 
capturing all traffic" this does not follow existing practice (I 
observed at IETF71 that there were a number of switches which were 
stealing-secure but not tampering-secure).

- S4 has "The network MUST NOT prohibit end-to-end external 
connectivity for asy traffic (no limiting firewalls or NATs)".

Does this also disallow (rather typical) filtering of "Windows ports" 
(at least 137-139, 445)?

Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
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