IPv6 Stateful Active/Standby Failover with Cisco ASAs

Posted on 2011-01-28 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

IPv6 from a Systems Development perspective

Posted on 2011-01-27 by Dominic Hargreaves

[Guest article by Dominic Hargreaves from the Systems Development and Support team] Regular readers of the Networks team blog will know that preparatory work to enable IPv6 across the University backbone has been underway for some time. This article offers … Continue reading →

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Maintenance and Development, January End

Posted on 2011-01-24 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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DNSSEC first steps

Posted on 2011-01-14 by Andy Saunders

DNSSEC is a security extension to the Domain Name System which offers origin authentication of DNS data data integrity authenticated denial of existence This is useful in helping to protect against attacks such as DNS cache poisoning. Information on DNSSEC … Continue reading →

Posted in DNS | 3 Comments

Global IPv6 Day

Posted on 2011-01-12 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 2011-01-06 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 2011-01-04 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 →

Posted in General Maintenance, VPN, Wireless | Comments Off on BBC iPlayer and the University VPN