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TLS

By Greg Nowak, 26 July, 2026

Shorter TLS certificates expose every renewal you never automated

Shorter TLS lifetimes leave less room for manual handoffs and faulty deploy hooks. Build a renewal path that protects service availability.

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By Greg Nowak, 20 June, 2026

Shorter TLS Certificates Make Renewal Monitoring a Server Job

Public TLS lifetimes are moving from 200 days toward 47. Manual renewal is now a reliability risk across ACME, reloads, monitoring, and rollback.

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By Greg Nowak, 16 May, 2026

Let's Encrypt Profiles Put Renewal Assumptions Under the Microscope

Let's Encrypt's May 2026 profile rollout left classic certificates at 90 days, but made ACME profile choice, challenge paths, hooks, and monitoring harder to ignore.

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By Greg Nowak, 15 May, 2026

Ubuntu 26.04 LTS Raises the TLS Floor: How to Test Legacy Integrations

Ubuntu 26.04 LTS retires legacy TLS defaults. Learn how to inventory dependencies, test certificates and stage a rollback-ready upgrade.

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By Greg Nowak, 10 April, 2019

Cloudflare SSL on a VPS: A Practical Setup Without the Gotchas

Set up Cloudflare SSL on a VPS with Full (strict), the right origin certificate, clean Nginx redirects, origin protection, and a reliable handover.

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By Greg Nowak, 11 January, 2019

Enable TLS on a Linux Mail Server Without Breaking Delivery

Configure Postfix and Dovecot TLS without disrupting email delivery, then automate certificate reloads and verify DNS, authentication, and every exposed port.

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Illustrated infographic summarizing: MCP Just Went Stateless: Audit the Integrations Behind Your AI Tools

MCP Just Went Stateless: Audit the Integrations Behind Your AI Tools

2026-08-03

The 28 July 2026 MCP release removes protocol sessions and changes discovery, tasks, caching, OAuth and tracing. A practical guide to auditing the move.

Illustrated infographic summarizing: SEO Trends for 2026: What Actually Changed Since 2024

SEO Trends for 2026: What Actually Changed Since 2024

2026-08-03

A practical guide to what changed in SEO between 2024 and 2026, from AI and multimodal search to Core Web Vitals, privacy and local visibility.

Illustrated infographic summarizing: INP and Green SEO Share a Backlog: Cut the Work Every Visit Repeats

INP and Green SEO Share a Backlog: Cut the Work Every Visit Repeats

2026-08-03

INP and sustainable web work often expose the same waste. Use field data, profiling, caching and performance budgets to build one practical backlog.

Illustrated infographic summarizing: AI crawler policy now has verbs: separate search, RAG, and training

AI crawler policy now has verbs: separate search, RAG, and training

2026-08-02

AI crawler rules now need separate decisions for search, RAG, and training, backed by practical testing across robots.txt, CDNs, WAFs, and CMS controls.

Illustrated infographic summarizing: WordPress Supports Old PHP; Your Production Server Shouldn’t

WordPress Supports Old PHP; Your Production Server Shouldn’t

2026-08-01

WordPress still runs on legacy PHP, but compatibility is not a security policy. Build and test your upgrade path before PHP 8.2 support ends.

Illustrated infographic summarizing: The AI-built tool your team relies on needs an owner

The AI-built tool your team relies on needs an owner

2026-07-31

AI-built internal tools can become business-critical before anyone owns them. Here is how to secure, review, monitor, and retire them without blocking useful work.

Illustrated infographic summarizing: Your AI model has an expiry date: build the migration lane now

Your AI model has an expiry date: build the migration lane now

2026-07-30

AI models retire on a schedule. Learn how to map dependencies, test replacements, release safely and preserve a working rollback route.

Illustrated infographic summarizing: Copilot Has Repo-Level Metrics Now. What Should Teams Measure?

Copilot Has Repo-Level Metrics Now. What Should Teams Measure?

2026-07-29

GitHub’s repo-level Copilot metrics show where AI is active, but not whether it adds value. This scorecard connects usage with delivery, quality, and cost.

Illustrated infographic summarizing: Not Every AI Job Needs an Instant Answer: Batch the Backlog

Not Every AI Job Needs an Instant Answer: Batch the Backlog

2026-07-28

Move delay-tolerant AI work into dependable batch queues to cut processing costs without compromising quality, data controls, or urgent workflows.

Illustrated infographic summarizing: A stray Set-Cookie can waste your CDN: audit the cache at the edge

A stray Set-Cookie can waste your CDN: audit the cache at the edge

2026-07-27

Cloudflare Cache Response Rules can recover wasted CDN capacity, but first you need a route-level audit of public, personal and authenticated responses.