Rob Pickering

Internet Firewall Tutorial

A very historic perspective

This is a tutorial about how basic Internet firewalls work that I wrote over 25-years ago (if you doubt this look at the youthful picture at the bottom of the article). I recently re-discovered it in the long forgotten bowels of…

How cryptocurrency may save us

and that’s why I’m staying away from Bitcoin for a while

Off to Zambia and Paddling for Bricks

Both our grown up teenagers finish exams and consequently school and college a lot earlier…

Why the WebRTC video codec choice is important

Real time peer to peer communication on the web has had a good couple of months. At the end of January Chrome and Firefox demonstrated interop of two independent WebRTC implementations and then a couple of weeks ago Google squelched the MPEG LA…

Canada’s Atlantic Coast VIA Rail

I’ve just spent 24hrs on a train. No, this wasn’t in the UK, which would have been the wrong kind of leaves or an unseasonal 5mm of the wrong kind of snow, but deliberate choice to get across Canada.

Hangouts for Education in Zambia

Whilst I was in Lusaka last month, I tried a rough and ready experiment running a Google Hangout between folks onsite in Zambia and some colleagues back at the office at Bletchley Park. This is the Hangout…