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The CompleteStatus Blog

Monitoring & security, explained

Practical, no-fluff guides on uptime and security monitoring — fixing security headers, email authentication, SSL certificates, and consolidating your monitoring stack.

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cookies samesite

Chrome's SameSite Cookie Change Is Fully Live — What Silently Breaks

Chrome now treats cookies as SameSite=Lax by default, breaking cross-site POSTs, SSO and payment callbacks. What changed, what breaks, and how to fix it.

6 min read
uptime monitoring

What Is Uptime Monitoring? A Plain-English Guide for Website Owners

What uptime monitoring is, how HTTP checks work, which interval to pick, where alerts should go, and what downtime really costs a small business.

6 min read
tls ssl

TLS 1.0 and 1.1 Are Being Shut Out — Time to Check What Your Server Negotiates

Chrome, Firefox and Edge now block TLS 1.0 and 1.1. How to test what your server negotiates, enable TLS 1.2/1.3 on nginx and Apache, and handle legacy clients.

6 min read
uptime performance

Monitoring During Traffic Spikes — Your Site Slows Down Before It Falls Down

Traffic spikes rarely kill a site without warning; response times drift first. Reading capacity signals and monitoring under load during 2020's surge.

6 min read
remote-work monitoring

Your VPN Is Production Now: Monitoring the Infrastructure Remote Work Depends On

A month into working from home, the VPN, SSO and internal tools are business-critical. What to monitor, and what not to expose in a hurry.

7 min read
ssl tls

One-Year Certificates Are Coming — Apple Just Changed the Rules

From September 1, Safari will reject new TLS certificates valid longer than 398 days. What Apple's unilateral move means and how to get renewals ready.

6 min read
performance monitoring

Slow Is the New Down — Why Performance Is Availability

Users abandon slow sites long before a timeout, and degradation usually precedes outages. Why response-time trends belong in your uptime monitoring.

6 min read
dns redundancy

Choosing a DNS Provider — Redundancy for the Layer Everyone Forgets

DNS is the dependency in front of every other dependency. Anycast, secondary DNS, TTL strategy, DNSSEC trade-offs — how to pick and pair providers.

6 min read
security cloud

The Capital One Breach: SSRF, Metadata Endpoints and Over-Privileged Roles

A week after Capital One disclosed its breach, here's what the public record says, why SSRF keeps coming up, and what to check on your own cloud servers.

7 min read
cloudflare outages

One Bad Regex: Lessons From the July 2 Cloudflare Outage

A WAF rule with a backtracking regex pushed Cloudflare's edge CPUs to 100% and served 502s worldwide. What the outage teaches every team.

6 min read
bgp outages

Yesterday's BGP Route Leak: How a Small ISP Rerouted the Internet

A Pennsylvania ISP's route optimizer leaked routes, Verizon propagated them, and traffic for Cloudflare and Amazon went sideways. What BGP teaches us.

6 min read
outages cloud

Sunday's Google Cloud Outage: When Your Provider's Network Has a Bad Afternoon

A Google configuration change on June 2 congested networking across US regions for hours. What it teaches about shared fate, alert paths and outside-in checks.

7 min read

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