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17 Dec 2021

Check Log4Shell vulnerability using Unbound DNS server

Check vulnerability without relying on third-party services
17 Sep 2021

Using AWS Config for security compliance and inventory

Query across all accounts and regions of an organisation
27 Jun 2021

Convert AWS WAF ACLs to human-readable format

Run the attached script to download and convert ACLs
20 Mar 2021

urlhaus-filter and phishing-filter available as Snort and Suricata rules

Tested on Snort 2, Snort 3 and Suricata 6
22 Nov 2020

Enabling HSTS preload in Cloudflare

Take note if you have www -> apex redirect
18 Jul 2020

Sign Git commit with an EdDSA/Ed25519/Curve25519 key

Utilise a curve not produced by NIST
11 Jul 2020

Comparing malware-blocking DNS providers using URLhaus and PhishTank

Canadian Shield, Cloudflare, DNS Filter, NextDNS, OpenDNS, Quad9
7 Jul 2020

Block phishing websites with phishing-filter

Many formats available
25 May 2019

Cloudflare in Firefox is not the end of the world

It's not enabled by default and you can easily switch to other providers.
4 Apr 2019

DNS-over-TLS/DNS-over-HTTPS does not protect your privacy

DoT/DoH does not completely eliminate ISP surveillance.
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