Little Snitch Linux: eBPF traffic monitoring https://sudonull.com/little-snitch-linux-ebpf-traffic-monitoring
Breakdown of Little Snitch for Linux: eBPF firewall with process-aware blocking, web interface and blocklists. Learn the architecture, trade-offs and production setup. Ideal for DevOps and security.
Little Snitch Linux: eBPF firewall https://sudonull.com/little-snitch-linux-ebpf-firewall
Learn about the Linux version of Little Snitch: eBPF application traffic monitoring, blocking by IP/domains, web interface. Installation and comparison with OpenSnitch for developers.
MTProto on port 443 with nginx SNI routing https://sudonull.com/mtproto-on-port-443-with-nginx-sni-routing
Setting up MTProto Telegram proxy on one 443 port. Nginx stream with ssl_preread and routing by SNI. Scalable scheme against blocks. DevOps instructions.
Wi-Fi Air Monitoring: Guide for Engineers | 2026 https://sudonull.com/wi-fi-air-monitoring-guide-for-engineers-2026
Technical Guide to Setting Up a Passive Sniffer on OpenWrt. Channel Load Analysis, Interference Diagnostics, Visitor Analytics Collection. Learn How.
MTProto proxy: personal secrets and policies https://sudonull.com/mtproto-proxy-personal-secrets-and-policies
Implementation of personal MTProto proxies on Erlang with unique SNI domains. Policy system, access control, scaling. For developers: code, configs, examples.