I am sorry to inform you that the regulatory requirements around authenticating 
to use the IETF Network at IETF 125 Shenzhen have again changed and again 
become more restrictive. The IETF Network itself remains an open, unfiltered 
network that allows VPNs and other security technologies to be used, with these 
changes only affecting authentication to the network.

The changes are:

1. Previously we have stated that the only information to be shared is the 
mapping between RADIUS account names and registrant names. Now, we are required 
to share RADIUS accounting logs including account name, IP address, last 24 
bits of the MAC address, RADIUS accounting message types (start session, stop 
session, interim-update) and timestamp. This data will be provided after the 
meeting.

2. Previously we have stated that a registrant can have as many sets of RADIUS 
credentials as they wish. Now, there is a limit of two sets of credentials per 
registrant. Replacements are allowed if one set is lost, but only if the lost 
set is deactivated. We are also required to investigate whenever a single set 
of credentials is used on more than five MAC addresses to check that the 
credentials have not been lost, shared or compromised.

Please note that Chinese participants are expected to follow local laws that 
require real identity registration before using the network, but this does not 
apply to non-Chinese participants.

The IETF Administration LLC apologises for these unanticipated late changes and 
reiterates that any onsite registration can be converted to a remote 
registration with no handling fee.

We welcome the work recently proposed to clarify community expectations around 
anonymity and privacy on the IETF Network.

-- 
Jay Daley
IETF Executive Director
[email protected]

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