This one had me scratching my head for a while today. A client and an ex-client both contacted me with strange HTTP connectivity issues, which manifest as errors occurring on one server while the exact same code is working elsewhere. The logs revealed that a HTTPS connection was being rejected because the connection to the external site could not be validated. The problem was that the root certificates were out of date, and the external site was using Let’s Encrypt SSL certificates, which as of this month (October 2021) has a new compatibility restriction meaning their certs can only be validated by a client if the client trusts the ISRG Root X1 certificate. That restriction prevents functionality on iPhones running [click title to read more…]
About a week ago a large chunk of the Web vanished for a few hours as Fastly experienced a major outage in their Web cache service. Popular sites like Reddit, the BBC, Amazon and much of the UK government online services suddenly presented blank pages. There was much finger-pointing for days afterwards, then Cloudflare goes down last Friday (more fingers pointing) and today with many of those fingers finally holstered we suddenly find ourselves in the middle of an Akamai outage. Fingers out and reloading!
The thing about these services is that they are mainly caches: intermediary services that optimise the delivery of content from the origin sites. Unfortunately, when they go down, the origin sites do not just go [click title to read more…]
Nevertheless, I have observed that many major sites are flouting the law by not making the consent process clear, by using opt-out instead of opt-in, and by [click title to read more…]
In the first Stacking Up I looked at the bedrock of Internet/Web technology and showed that far from being stable it is more like flowing lava. Now I’m taking a quick journey through the frameworks that are layered on top of this lava, where naturally things are on fire.
Part 2 : Frameworks
First let me clarify what I mean by “framework”, as this is often a source of confusion. This definition is only in the context of Web-related technologies:
A framework is a set of generic software elements whose behaviour or characteristics are intended to be customized through extension, configuration and/or combination in order to assist the typical developer in the production of application-specific solutions. Through such customization, the [click title to read more…]