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UDP 8600

ProtocolUDP
Port8600
Labels

Synopsis

  • HashiCorp Consul exposes a DNS interface on UDP port 8600 (and TCP 8600) for service discovery; e.g., applications query names like web.service.consul via dig @127.0.0.1 -p 8600 in Consul-managed clusters.
  • The Eurocontrol ASTERIX surveillance data protocol is registered on UDP 8600 and is used by real ATC systems (e.g., Thales, Indra, Frequentis) to transport radar/ADS-B/MLAT data between sensors and processing systems.
  • Security note: Exposed Consul DNS on 8600 has been leveraged by attackers to enumerate internal services and topology, so it’s commonly restricted to internal networks.

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