NGINX Variables: Scope, Handlers, and Common Pitfalls
by Danila Vershinin, July 25, 2026
How NGINX variables really work: per-request containers, get handlers, lazy-and-cached map values, the empty-versus-not-found distinction, and subrequest isolation, with runnable, curl-verified examples using the echo, set-misc, lua, and array-var modules.
Read More...The official Amplify app is now on iPhone
by Danila Vershinin, July 22, 2026
Uptime by GetPageSpeed is now the official iPhone app for Amplify, with servers, live NGINX graphs, alert rules, push notifications and Live Activities using your existing account.
Read More...Migrate From the ondrej nginx PPA to GetPageSpeed
by Danila Vershinin, July 5, 2026
The ondrej/nginx PPA deprecated its module packages at NGINX 1.28. Here is how to migrate to the GetPageSpeed APT repository and keep Brotli, Lua, ModSecurity and 100+ other modules on Debian and Ubuntu.
Read More...NGINX ACME Module: Let’s Encrypt SSL Without Certbot
by Danila Vershinin, June 29, 2026
Issue and auto-renew Let’s Encrypt certificates directly inside NGINX with the nginx-module-acme module. No certbot, no cron jobs, no downtime, no Python.
Read More...NGINX Abuse Guard Module: Auto-Ban Scanners and Bots
by Danila Vershinin, June 26, 2026
Stop vulnerability scanners and brute-force bots automatically. The NGINX abuse guard module bans clients by their 404 and 403 error rate, in-worker, with no fail2ban or log shipping.
Read More...NGINX Microcaching: Varnish-Style Full-Page Caching Without a Third-Party Module
by Danila Vershinin, June 23, 2026
NGINX microcaching the Varnish way: serve dynamic pages from RAM via core proxy_cache on tmpfs, with stale-while-revalidate and request coalescing.
Read More...Whitelist OpenAI IP Ranges in NGINX and fail2ban
by Danila Vershinin, June 2, 2026
If you want ChatGPT Search, GPTBot, and OpenAI’s on-demand fetcher to actually reach your content, the answer is not just “set Allow: / in robots.txt.” Modern NGINX deployments lean on rate limiting, GeoIP rules, and fail2ban; each of those will silently choke an OpenAI bot if you don’t deliberately whitelist OpenAI IP ranges in every […]
Read More...NGINX limit_req Per Hour, Day, Week, Month with NGINX-MOD
by Danila Vershinin, May 4, 2026
Stock NGINX rejects rate=10r/h. The NGINX-MOD limit_req_rate patch adds hourly, daily, weekly, monthly, and yearly rate units so SREs can express quotas the way they actually talk about them.
Read More...NGINX Dynamic TLS Records: An Honest Benchmark in 2026
by Danila Vershinin, April 29, 2026
We rebuilt nginx-mod with Cloudflare’s 2015 dynamic TLS records patch and benchmarked it in a controlled rig with random interleave, CPU pinning, and 200 cold connections per condition. The “50% p95 TTFB win” we expected collapsed under noise control. Here are the honest numbers and what to do instead.
Read More...aws-lc NGINX in 2026: Why we still ship quictls
by Danila Vershinin, April 26, 2026
Why GetPageSpeed packages aws-lc on EL but still links nginx-mod against quictls in 2026: the honest current state of TLS for NGINX HTTP/3.
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