Maintenance Work On Eduroam

Posted on 1 September 2011 by Guy Edwards

Just a slightly uneventful blog post aimed at our IT staff in colleges, departments and other units to let you know about some of the grittier routine work on Eduroam. This is a warts and all account of real life … Continue reading →

Posted in General Maintenance, Wireless | Leave a comment

The Week Before World IPv6 Day

Posted on 3 June 2011 by Guy Edwards

So the big news is that as of this morning www.ox.ac.uk / ox.ac.uk has AAAA records and is hence reachable via IPv6, so currently the university IPv6 presence for World IPv6 day will be: Websites www.ox.ac.uk www.maths.ox.ac.uk (plus subsites) www.maths-in-industry.org … Continue reading →

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Joe Job Spam Run

Posted on 3 May 2011 by Guy Edwards

The university received two spam run campaigns, the first uses a forged sender to make a university address look like the sender, the second uses forged university addresses (i.e. not accounts) in an outgoing campaign to other sites, resulting in … Continue reading →

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DNS troubleshooting

Posted on 2 March 2011 by Guy Edwards

I thought I’d write a quick reference for support staff not familiar with DNS troubleshooting The basics: DNS requests query a server to ask, for instance, what the IP address of a website is, when all you know is the … Continue reading →

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IPv6 Stateful Active/Standby Failover with Cisco ASAs

Posted on 28 January 2011 by Guy Edwards

There was some debate on the Cisco ASA failover situation with regard to IPv6. Since we’re potentially about to make a interim firewall purchase for the main university IPv6 traffic (we route IPv6 separately to IPv4 to avoid a limitation … Continue reading →

Posted in Cisco Networks, Firewall, IPv6 | 1 Comment

Maintenance and Development, January End

Posted on 24 January 2011 by Guy Edwards

So last week was more steady progress, here’s the rundown of what I’ve been doing and will be doing next week. DHCP servers maintenance The new DHCP servers arrived and a base install was completed for both hosts (our new-ish … Continue reading →

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Global IPv6 Day

Posted on 12 January 2011 by Guy Edwards

On the 8th of June, for 24 hours, the major names that make up the web experience for a large proportion of users of the Internet will be enabling IPv6 on their services. The announcement: http://isoc.org/wp/worldipv6day/ What does this mean? … Continue reading →

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Early 2011 Work

Posted on 6 January 2011 by Guy Edwards

So an overview of my own individual tasks for early 2011 looks like: Replacing the DHCP servers for the university This was scheduled for last year but the sequence of events needed to free up hardware for the service to … Continue reading →

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BBC iPlayer and the University VPN

Posted on 4 January 2011 by Guy Edwards

[edit] Since writing this an iPlayer developer has passed on via informal channels that they’re using the Quova geolocation service. In this database part of our VPN address range was designated an ‘international proxy’ – while this may be regarded … Continue reading →

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AOL mail

Posted on 21 December 2010 by Guy Edwards

Just a minor post about an issue some people might have seen (things are fairly quiet in the runup to Christmas). If you had an issue delivering mail to or from an aol.com address today this post explains why. I … Continue reading →

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