Definition Update for Windows Defender – infinite loop

I recently came across an odd situation involving Windows Server 2016 and WSUS updates. On the WSUS server, I typically see several new Definition Updates for Windows Defender (KB2267602) every day. E.g. on 2017-11-26, Microsoft released: 1.257.995.0 1.257.996.0 1.257.998.0 1.257.1001.0 1.257.1003.0 1.257.1005.0 The update with the highest number will supersede the others, so I only […]

IPv6 router

As I’ve mentioned before, I switched my home ISP to A&A so that I could get IPv6 on my internet connection. That gave me 2 pieces of the puzzle (OS support and internet connection), but I still needed to sort out my network infrastructure, specifically my router. This post says what I’m trying to achieve, […]

VDSL modem

Back in 2011, I had VDSL installed in my flat. As part of the installation, the BT engineer replaced the faceplate on my master phone socket and also supplied me with a new modem: Earlier this year, the modem developed a fault and I couldn’t get online. Annoyingly, this happened on a Friday evening, so […]


In 2007, I passed CompTIA’s A+ exams; that gave me a qualification which is valid for life. In April 2012, I enrolled in the CE (Continuing Education) program. In April 2015, I passed the Network+ exam, which gave me the Network+ ce qualification (valid for 3 years). Since I was within the deadline, I could […]


Last month, I took the Certified Wireless Technology Specialist (CWTS) exam. This is issued by CWNP, who are similar to CompTIA, i.e. it’s a vendor-neutral exam rather than being based around specific technology (e.g. Cisco access points). The CWNP website says: “The CWTS certification validates the knowledge of enterprise WLAN sales and support professionals who […]

Installing dd-wrt on a Linksys WRT320N wireless router

Back in 2011 I switched ISPs to A&A, primarily because they support native IPv6. Incidentally, 3 years on I see that you still can’t get IPv6 from Zen, so I made the right choice by switching. Windows has had IPv6 support included by default since 2006 (i.e. Vista onwards), so the missing piece of the […]