10 min read
What Is an SSL Certificate Chain? Explained Simply
An SSL certificate chain links your site to a trusted root via intermediates. Certs cap at 200 days and drop to 47 by 2029. Learn how to verify your chain.
AAbhay Khant
Tag Archive
#security
20 posts found with this tag.
10 min read
Passkeys vs Passwords: Which Should Protect Your Accounts?
Passkeys vs passwords compared honestly: 128-bit keys vs 47-bit passwords, origin binding that stops phishing, recovery caveats, and migration steps.
AAbhay Khant
7 min read
What Is My IP Address? How to Find It and What It Shows
Your IP address explained: find it on any device, public versus private ranges, a live trace of what servers see, and why 4.3 billion IPv4 addresses ran out.
AAbhay Khant
12 min read
OAuth vs OpenID Connect: Which One Does What
OAuth vs OpenID Connect explained: authentication versus authorization, the 5-step PKCE flow, an ID-token checklist, and a real RS256 token, fully decoded.
AAbhay Khant
5 min read
How to Decode a JWT Token Online (Safely, Step by Step)
Decode any JWT online in five steps: split segments, read header and payload, convert exp timestamps, spot five-segment JWE tokens, and stay safe debugging.
AAbhay Khant
6 min read
How JWT Works: Structure, Signing, and Verification
How JWT works: 3 segments, 1 signature check that matters. Structure and claims, HS256 vs RS256, a real tamper test, common attacks, and safe storage.
AAbhay Khant
7 min read
What Does an SSL Certificate Do? Explained Simply
What an SSL certificate does: enables TLS encryption, proves site identity. How certs work, what they contain, and why 90%+ of web traffic now runs HTTPS.
AAbhay Khant
5 min read
Free Security Tools Online — SSL, PKCE, XSS, IP | ToolSura
SSL checker, IP lookup, PKCE generator, HTML sanitizer, and privacy policy generator — five free security tools that run 100% in your browser. No uploads.
AAbhay Khant
4 min read
Free Security Tools Online — SSL, PKCE, XSS, IP | ToolSura
SSL checker, IP lookup, PKCE generator, HTML sanitizer, and privacy policy generator — five free security tools that run 100% in your browser. No uploads.
AAbhay Khant
11 min read
Redirect Chain: What It Is, Why It Hurts SEO, How to Fix It
A redirect chain is a series of redirects between your URL and the final page. Nearly 1 in 12 sites has one. Learn how to find, fix, and prevent them.
AAbhay Khant
11 min read
iCloud Private Relay Explained: What It Does and Doesn't Do
iCloud Private Relay is not a VPN. Learn how its dual-hop proxy works, what the 2026 WebKit leaks (3 vectors) exposed, and how to test it.
AAbhay Khant
12 min read
WebRTC Leak Test: Why Your VPN Shows Your Real IP
A webrtc leak test reveals your real IP past a VPN: STUN answers bypass the tunnel. Fix WebRTC in Firefox or extensions in five minutes.
AAbhay Khant
11 min read
DNS over HTTPS vs DNS over TLS: Which Should You Use?
DNS over HTTPS vs DNS over TLS: both encrypt DNS, but DoH rides port 443 while DoT is easy to block. 84% of VPN apps leaked anyway. Compare them.
AAbhay Khant
12 min read
What Is DNS over HTTPS? DoH Explained
DNS over HTTPS encrypts DNS lookups, hiding what 84% of Android VPN apps leaked in 2016. Enable it in Chrome, Firefox, Edge, Windows, or Android.
AAbhay Khant
11 min read
DNS Leak Test: What It Is and How to Check
A DNS leak exposes what you browse to your ISP even on a VPN: 84% of Android VPN apps leaked in 2016. Learn the 2026 WebKit leaks and how to fix them.
AAbhay Khant
10 min read
Stop Windows from Installing Apps Without Permission
LG and Dell monitors silently push apps via Windows Update. Learn how to stop Windows from installing apps without permission and detect what's on your PC.
AAbhay Khant
10 min read
Private AI Coding Tools to Keep Your Code Off the Cloud
Run AI coding assistants that never send your source code to the cloud. Compare 6 private, local-first, and self-hosted coding tools for 2026.
AAbhay Khant
10 min read
What Are Passkeys? The Passwordless Login Standard Explained
Passkeys are the passwordless, phishing-resistant login standard replacing passwords. Learn how they work and how they compare to 2FA.
AAbhay Khant
10 min read
What Is OpenCode? The 2026 Open-Source AI Coding Agent
OpenCode topped LogRocket's July 2026 ranking with 7.5M+ monthly devs. A MIT-licensed, model-agnostic AI coding agent.
AAbhay Khant
11 min read
Free Image Metadata Viewer Online - Check EXIF Data Safely
Free image metadata viewer that runs entirely in your browser. Check EXIF, GPS, IPTC and XMP data with no uploads before you share.
AAbhay Khant