Library items tagged: network access

2020-11 Advisory: Implications of MAC address randomisation on eduroam(UK) members

Stefan Paetow
Wednesday, March 31, 2021 - 01:45
eduroam(UK) Advisory
network
network access
eduroam
access
Calling-Station-Identity
Introduction With the introduction of iOS 14 and Android 11, MAC address randomisation will become more prevalent and will have some implications for our eduroam(UK) members.  History Starting with iOS 8 and Android 8 mobile device operating system vendors started using randomised MAC addresses while scanning for wireless networks. These pre-association MAC addresses were random at every sweep. This was a step towards ensuring user devices could scan for wireless networks without being tracked.
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Case studies

Anonymous
Thursday, February 2, 2012 - 13:17
advisory
wireless
technical guide
network access
guests
The following sections describe various examples of guest facilities provided by Janet-connected organisations. The organisations, and their requirements to support guests, vary widely, so it is not surprising that the solutions are very different. Most use a combination of the tools described in the previous section – a table showing the main tools used in each case study is in section 4.8 – and all are based on a careful and continuing analysis of the organisation’s requirements and the risks they must address.
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Tools

Anonymous
Thursday, February 2, 2012 - 13:16
advisory
wireless
technical guide
network access
guests
As stated, the following sections describe a number of tools and techniques that can be used to reduce the risk of misuse of the network. They are presented here in the context of providing network access for guests, though many of them can also be used for local users. None of the tools can make misuse impossible: each section describes which risks can be reduced by a particular tool and which risks may remain or be increased.
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Requirements

Anonymous
Thursday, February 2, 2012 - 13:16
advisory
wireless
technical guide
network access
guests
Organisations that connect to Janet agree to abide by the Terms for the Provision of the Janet Service, including complying with the Janet Connection, Security and Acceptable Use Policies.2 These Policies exist to support the use of Janet for its intended purpose as the UK’s education and research network. The Connection Policy ensures that organisations are only connected to the network where this will benefit that purpose.
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Network access for guests

Anonymous
Thursday, February 2, 2012 - 13:15
advisory
wireless
network access
guests
technical guide
The purposes of an educational organisation may often require it to receive guests from other organisations, both from within the education community and outside. Researchers, teachers, students and conference delegates may all come to the organisation from elsewhere and wish, or need, to use the host organisation’s network facilities. Where guests come to the host organisation for purposes connected with its publicly funded or educational remit, Janet Policies allow the host organisation to provide them with access to Janet should it choose to do so.
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