Join us at Vinopolis for a free wine tasting experience!

Calleva Networks will be hosting a technology showcase at Vinopolis, London on 13th June. Every delegate that attends will be treated to lunch and will then be able to enjoy a free wine tasting experience, enabling you to sample numerous wines of your choosing, all set in the beautiful arches of London Bridge. During the […]

Paul’s Networkshop #41 speech now available online

Paul Roberts, CEO of Calleva Networks, presented at Networkshop 41 on the topic of DNS, DHCP, IPAM – Time to get serious! With the proliferation of IP enabled devices and increasing demand for resilient network services, DNS, DHCP and IP Address Management are critically important to the smooth running of today’s networks. Paul’s speech discussed the challenges […]

The biggest DDoS attack in history, all due to DNS

There’s been a lot of talk today about a massive DDoS attack that has been running for the past week or so. It has used DNS amplification in order to create a 300Gbps storm of traffic aimed at Spamhaus, the anti-spam site that distributes blacklists of known sites responsible for sending spam email. What is incredible is the […]

Calleva Networks to attend Networkshop 41

Calleva Networks will be partnering with EfficientIP this year at Networkshop 41 on stand EH23 between 9-11 April 2013. Networkshop is the annual exhibition for the education sector with IT staff from many universities and colleges in attendance. Feel free to come along to the stand to discuss your DNS, DHCP, IP Address Management requirements […]

CVE-2012-5689: BIND 9 with DNS64 enabled can unexpectedly terminate when resolving domains in RPZ

ISC BIND DNS 9.8.x through 9.8.4-P1 and 9.9.x through 9.9.2-P1, in certain configurations involving DNS64 with a Response Policy Zone that lacks an AAAA rewrite rule, allows remote attackers to cause a denial of service (assertion failure and named daemon exit) via a query for an AAAA record. Please check the ISC knowledgebase for further information […]