Tag: security

Sec-Fetch & UA Client Hints in 2026: What Actually Leaks

Ran 9 real headless tools against an echo server. Sec-Fetch alone catches almost none of them. Here's what actually leaks, WAF rules that work, and where Anubis fits in.

CrowdSec Collections & Bouncers: fail2ban for 2026

CrowdSec is fail2ban with community threat intel: scenario collections plus pluggable bouncers for Caddy or Traefik. Block millions of bad IPs from day one.

Distroless Images: When Minimal Goes Too Far

Distroless containers are tiny, secure, and loved by security teams — until you need to debug one at 2 AM. Here's when Google distroless actually pays off vs when it's just container hipster points.

Incident Response for Self-Hosters

You've been compromised. Now what? A practical incident response playbook for self-hosters who didn't think they'd need one until right now.

Vaultwarden Organization Sharing: Password Management for Your Whole Household (or Team)

Stop texting passwords. Set up Vaultwarden organizations to share credentials with family or your team: collections, member invites, roles, and the bw CLI.

CVE-2026-31431: The 9-Year Linux Root Bug

CVE-2026-31431 (copy.fail) lets any local user become root on virtually every Linux system since 2017. Here's what it is, why it matters, and how to fix it.

OpenCanary: Honeypots for Your Home Lab

A honeypot sits quietly on your network pretending to be valuable. Touch it and you've found an intruder. Deploy OpenCanary in Docker, dead simple.

nftables: Modern Linux Firewalling

iptables is being phased out. nftables is faster, cleaner, and already the default on modern Linux. Here's how to actually use it without wanting to quit.

Suricata vs Snort: Network Intrusion Detection That Actually Works

Snort invented network intrusion detection. Suricata multi-threaded its way past it. Here's how to set up real IDS/IPS on your home lab and actually understand what it's telling you.

SBOMs and Supply Chain Security

A Software Bill of Materials tells you exactly what's in your software. Syft generates one, Grype scans it for CVEs. Together they're your supply chain paper trail.

Container Security: Scan and Sign Your Images Like You Mean It

Pulling unscanned images onto your server is a gamble. Trivy finds the CVEs. Cosign proves the image hasn't been swapped out. Here's how to add both to your workflow.

Falco: Catch Container Attacks at Runtime

Falco watches every syscall your containers make and screams when something sketchy happens. Like someone exec'ing a shell inside your nginx container at 3am.