Last updated: 
5 months 5 days ago
Blog Manager

We are the Computer Security and Incident Response Team (CSIRT) for the Janet network. Part of Jisc's Security Operations Centre, our mission is to safeguard the current and future network security of Janet (steering the security policies for all Janet connections) and of our customers, creating a secure environment to conduct your online activities. Our primary function is monitor and resolve any security incidents that occur on the Janet network, with specialists tracking a range of platforms, including Unix, Linux and Windows.

Blog Article

When providing DNS nameserver services a degree of redundancy is needed. In most cases the DNS records for a particular domain will be hosted by at least two nameservers, but is that enough by itself?

When building a resilient system the risks involved with the failure modes of the system need to be considered and weighed up against the associated costs and overheads. As a common example - does having both DNS servers on the same local network segment provide you with protection against network failure? Probably not.

Prev | Next