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Unbound based on Alpine 3.9

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README.md

Unbound on Alpine

Based on https://github.com/safelink-internet/unbound

Running

Use this command to start the container. Unbound will listen on port 53/udp.

docker run --name unbound -d -p 53:53/udp -p 53:53 registry.sdsys.ru/unbound

(optional) If you want to override the nameserver in the unbound container, you can use:

docker run --name unbound -d -p 53:53/udp -p 53:53 --dns="127.0.0.1" registry.sdsys.ru/unbound

If you want to add some local-zone or local-data, you can pass additional config:

docker run --name unbound -d -p 53:53/udp -v $(pwd)/local.conf:/etc/unbound/local-data.conf -p 53:53 registry.sdsys.ru/unbound

Configuration

Parameters:

  • -e DO_IPV6 Enable or disable ipv6. (Default: "yes", Possible Values: "yes, no")
  • -e DO_IPV4 Enable or disable ipv4. (Default: "yes", Possible Values: "yes, no")
  • -e DO_UDP Enable or disable udp. (Default: "yes", Possible Values: "yes, no")
  • -e DO_TCP Enable or disable tcp. (Default: "yes", Possible Values: "yes, no")
  • -e VERBOSITY Verbosity number, 0 is least verbose. (Default: "0", Possible Values: "")
  • -e SO_RCVBUFF Buffer size for UDP port 53 incoming. (Default: "0", Possible Values: "")
  • -e SO_SNDBUF Buffer size for UDP port 53 outgoing. (Default: "0", Possible Values: "")
  • -e SO_REUSEPORT Use SO_REUSEPORT to distribute queries over threads. (Default: "no", Possible Values: "yes, no")
  • -e EDNS_BUFFER_SIZE EDNS reassembly buffer to advertise to UDP peers. (Default: "4096", Possible Values: "")
  • -e MSG_CACHE_SIZE The amount of memory to use for the message cache. Plain value in bytes or you can append k, m or G. (Default: "4m", Possible Values: "")
  • -e RRSET_CACHE_SIZE The amount of memory to use for the RRset cache. Plain value in bytes or you can append k, m or G. (Default: "4m", Possible Values: "")
  • -e CACHE_MIN_TTL The time to live (TTL) value lower bound, in seconds. (Default: "0", Possible Values: "")
  • -e CACHE_MAX_TTL The time to live (TTL) value cap for RRsets and messages in the cache. Items are not cached for longer. In seconds. (Default: "86400", Possible Values: "")
  • -e CACHE_MAX_NEGATIVE_TTL The time to live (TTL) value cap for negative responses in the cache. (Default: "3600", Possible Values: "")
  • -e HIDE_IDENTITY Enable to not answer id.server and hostname.bind queries. (Default: "no", Possible Values: "yes, no")
  • -e HIDE_VERSION Enable to not answer version.server and version.bind queries. (Default: "no", Possible Values: "yes, no")