Guides & Tutorials
Step-by-step guides for SSL certificate management and implementation
62 articles in this category
How to Sign a PowerShell Script (Step by Step)
Sign a PowerShell script with Set-AuthenticodeSignature: pick the right certificate, force SHA256 (Windows PowerShell 5.1 still defaults to SHA-1), add a timestamp, verify with Get-AuthenticodeSignature, and fix HashMismatch, UnknownError, and the untrusted-publisher prompt.
How to Sign an EXE with SignTool (Step by Step)
Sign a Windows EXE with SignTool: install it from the Windows SDK, run signtool sign with /fd SHA256 and an RFC 3161 timestamp, verify the result, and fix the errors most first attempts hit.
How to Redirect HTTP to HTTPS: Apache, Nginx, IIS & WordPress
Force HTTPS with a single 301 redirect: copy-paste configs for Apache, Nginx, IIS, and WordPress, the X-Forwarded-Proto rule that fixes redirect loops behind Cloudflare and load balancers, and why HSTS is the necessary second step.
OpenSSL Commands Cheat Sheet: Keys, CSR, Inspect & Convert
Essential OpenSSL commands: generate keys and CSRs, inspect certs, convert PEM/PFX/DER formats, and test live TLS connections. Updated for 3.5 LTS and 4.0.
How to Renew an SSL Certificate: A Step-by-Step 2026 Guide
Renew your SSL certificate in 5 steps: generate a new CSR, submit to your CA, complete validation, install, and verify. Updated for 199-day certificate lifetimes.
Multi-Domain SSL Certificates: What They Are, SAN vs UCC, and When You Need One
A multi-domain SSL certificate secures up to 250 distinct hostnames — across different root domains — on a single certificate. Learn what SAN certificates cover, DV/OV/EV options, 199-day validity impact, and when to choose multi-domain over wildcard.
Wildcard SSL Certificates: What *.domain.com Covers, DV vs OV, and When to Buy One
A wildcard SSL certificate secures every direct subdomain of one domain with a single certificate. Learn what *.domain.com covers, DV vs OV wildcard differences, why EV wildcards don't exist, and how the 199-day limit affects renewal.
Certbot & ACME in Production: The Ultimate Automation Guide
Automate TLS certificate issuance and renewal with Certbot and the ACME protocol. Covers HTTP-01, DNS-01, Docker, Kubernetes, renewal hooks, and production hardening.
Which SSL Certificate Do I Need? A Step-by-Step Guide
Not sure which SSL certificate you need? Follow our step-by-step guide to choose between DV, OV, EV, wildcard, and multi-domain SSL in minutes.
DV SSL Certificate Price in 2026: Cost, What You Get, and Safe Low-Cost Options
What does a DV SSL certificate cost in 2026? Learn typical price ranges, what affects DV SSL cost, warranty meaning, and how to buy safely.
How Much Does an SSL Certificate Cost in 2026?
SSL certificate cost in 2026: $0 to $599 a year for a CA's entry certificate, more for premium ones. What each tier buys and what 200-day validity changes.
Complete Guide to Free SSL Certificate Tools
Master CSR Generator, SSL Checker, Certificate Converter, Key Matcher, and more. Step-by-step guides for all 7 essential SSL tools.