Knowledge base for software setup, errors, and daily tool work.

How to Fix Cloudflare 521 Error with Firewall Settings

If you see a 521 Web Server Is Down error when visiting your site through Cloudf...

Cloudflare 522 Error: Analyzing Server Logs for a Fix

You're seeing a 522 error from Cloudflare. That means Cloudflare connected to your origin ser...

Cloudflare DNS Propagation Checklist: Verify and Speed Up Changes

When you change a DNS record in Cloudflare, the update doesn't take effect instantly everywhe...

Fix ERR_CONNECTION_RESET in Chrome: Step-by-Step Guide

If you see ERR_CONNECTION_RESET in Chrome, it means the connection was interrupt...

Fixing Git Authentication Failed in VS Code

If you see "git authentication failed" when pulling, pushing, or cloning in VS Code, the ...

Fix Cloudflare Wildcard Subdomain Redirect Loop