TinyMacDns

DNS & rDNS server utilizing an arp table stored in redis.
All settings are configured through environment variables.

Settings

Required

• TMD_REDIS_ADDRESS = redis server address

Overview

Name	Type	Default	Description
TMD_VERBOSE	bool	False	Enables extensive logging
TMD_REDIS_ADDRESS	string		Redis connection ip:port
TMD_REDIS_USERNAME	string		Redis username
TMD_REDIS_PASSWORD	string		Redis password
TMD_REDIS_DATABASE	int	0	Redis database
TMD_REDIS_ATTEMPTS	int	3	Redis connection attempts
TMD_REDIS_COOLDOWN	duration	1s	Coooldown between redis connection attempts
TMD_HOSTS_hostname_MAC_n	string		Hostname/MAC mapping (n = number of MAC mapping order)

Docker stack example

version: "3.8"

services:
  redis:
    image: redis:alpine
    networks:
      - int
    ports:
      - 127.0.0.1:6379:6379
  collector:
    image: ghcr.io/kwitsch/arprediscollector
    environment:
      - ARC_REDIS_ADDRESS=127.0.0.1:6379
      - ARC_ARP_SUBNET_1=192.168.0.0/24
    cap_add:
      - CAP_NET_ADMIN
    networks:
      - host
  server:
    image: ghcr.io/kwitsch/tinymacdns
    environment:
      - TMD_VERBOSE=True
      - TMD_REDIS_ADDRESS=redis:6379
      - TMD_HOSTS_ExamplePC1_MAC_1=1a:2b:3c:4d:2a:4b
      - TMD_HOSTS_ExampleLaptop_MAC_1=3c:4d:2a:4b:1a:2b
    networks:
      - int
    ports:
      - 53:53/tcp
      - 53:53/udp

networks:
  int:
    internal: true
  host:
    name: host
    external: true