Blog

Case studies and notes.

• CVE-2026-98432 stopgap for nftables and iptables

  Drop inbound IPv4 TCP that carries IP options before conntrack, persist the rule with systemd, and prove it with one crafted SYN.

  3 November 2026#linux#nftables#iptables#kernel
• Building OpenCloud against a local Reva checkout

  A Go workspace points an OpenCloud build at a sibling Reva tree without a replace line in go.mod and without touching vendor/.

  28 October 2026#go#opencloud#reva
• Attribute routing without Symfony: a take-home case study

  Build a minimal PHP router that discovers controllers via PHP 8 attributes; no annotations, no config files.

  10 January 2025#php#routing#attributes#case-study