{
  "port": 1073,
  "protocol": "tcp",
  "service": "Bridge Control",
  "oneLiner": "A 1990s IANA registration called \"Bridge Control\" with no public specification.",
  "whatItIs": "IANA lists 1073/tcp and 1073/udp as bridgecontrol, \"Bridge Control\", registered to Andy Heron. No protocol document, product page, or open implementation is publicly available, so there is nothing to fingerprint against. A listener you find here is far more likely to be an unrelated application that grabbed a low free port, or a Windows client socket from the old 1025-5000 dynamic range, than the registered protocol.",
  "exposure": {
    "verdict": "careful",
    "note": "Identify what is actually listening before deciding — the registration tells you nothing about the service's authentication or encryption."
  },
  "checkCommand": "nmap -sV -Pn -p 1073 TARGET",
  "links": [
    {
      "title": "IANA port registry — 1073 (bridgecontrol)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=1073",
      "kind": "iana"
    }
  ]
}