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Email: Sympa Confirmation emails being rejected because of DKIM
This blog post springs out of some debugging we in Networks Development and Support have been doing to understand why some Sympa email is being rejected by Hotmail, due to a DKIM failure. To get there, it may be good … Continue reading
Hydra: Token authentication
Hydra is the name for the central IPAM at the University of Oxford. To those of you that did not know this, I will suggest that you may stop reading further as this blog post is not for you. Right, … Continue reading
Posted in DNS
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Hydra DHCP migration: what, when, why and how
This post assumes you know about the University’s central DHCP provision and have some interest in its migration to a new management platform. Towards the end of 2019 the DNS management platform for University of Oxford migrated to a custom-built … Continue reading
Posted in DHCP
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eduroam 802.1X deviceauth refresh
Do you recognize the following web form? If you don’t then you can stop reading. If you do then, even if you haven’t had occasion to fill it in often, please read on as there are changes coming. Above is … Continue reading
OWL Visitor refresh – Timetable
This blog post is an expansion on the previous post about Tawny OWL to give timescales. The upgrade of the FroDos to re-route OWL traffic from the current system to the new one (called Tawny) is roughly a two stage … Continue reading
Posted in Uncategorized
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What happens to mail you mark as spam?
This blog post hasn’t spun out of any particular instance, but I sometimes get the feeling that clicking the “Mark as SPAM” button in a mail client isn’t completely understood by everyone, which isn’t surprising as everything that follows is … Continue reading
Posted in Uncategorized
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eduroam and realmless usernames: an update
You may be aware that the University of Oxford will shortly be mandating fully qualified usernames for eduroam, explained and for reasons discussed in a previous blog post. This post is intended as a followup, highlighting how we’re intending on … Continue reading
Posted in Uncategorized
Tagged does anyone actually look at tags these days?, eduroam, FreeRADIUS, RADIUS
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eduroam and realmless usernames
IT Services’s user-facing instructions for connecting to eduroam have always been unequivocal about the username to use: if you want to connect to eduroam, your username is your SSO with @ox.ac.uk appended on at the end, all lower case. So, … Continue reading
Posted in eduroam
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DNS Resolvers – DNSSEC
We are approaching deployment of a new fleet of DNS resolvers and there are a few questions that we would like feedback from the wider ITSS community. Specifically this post is broaching the subject of DNSSEC. Just to be clear, … Continue reading
Posted in DNS
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