Blocky - Backend Listener Daemon (BLD)

• OpenBLD.net DNS project uses BLD as backend DNS server.
• BLD based on Blocky.

How OpenBLD.net works

• How it works
• Get Started
• Main Goals
• Philosophy

Features

• Performance - Improves speed and performance in your network

  • Customizable caching of DNS answers for queries -> improves DNS resolution speed and reduces amount of external DNS queries
  • Prefetching and caching of often used queries
  • Using multiple external resolver simultaneously
  • Low memory footprint

• Various Protocols - Supports modern DNS protocols

  • DNS over UDP and TCP
  • DNS over HTTPS (aka DoH)
  • DNS over TLS (aka DoT)
  • Supports modern DNS extensions: DNSSEC, eDNS, ...

• Integration - various integration

  • Prometheus metrics
  • Prepared Grafana dashboards (Prometheus and database)
  • Logging of DNS queries per day / per client in CSV format or MySQL/MariaDB/PostgreSQL database - easy to analyze
  • CLI tool

• Simple installation/configuration - blocky was designed for simple installation

  • Stateless (no database, no temporary files)
  • Docker image with Multi-arch support
  • Single binary
  • Supports x86-64 and ARM architectures -> runs fine on Raspberry PI

Quick start

• You can jump to Installation chapter in the documentation.
• Full documentation and configuration examples on https://0xERR0R.github.io/blocky/

Blocking domain / web-sources issues

You can inform me about of accidents blocked / unblocked domains through DNS-HOLE repo.

Links

• https://openbld.net/
• https://github.com/m0zgen/blocky-installer.git
• https://github.com/m0zgen/prometheus-stack-installer.git
• https://github.com/m0zgen/dns-hole.git
• https://github.com/m0zgen/dns-tester.git
• https://github.com/m0zgen/bench-dns.git
• https://github.com/m0zgen/bld-agregator
• https://github.com/m0zgen/ip2drop
• https://github.com/m0zgen/cactusd
• https://github.com/m0zgen/zdns
• https://lab.sys-adm.in