{
  "port": 3766,
  "protocol": "tcp",
  "service": "sitewatch-s (SSL e-watch sitewatch server)",
  "oneLiner": "The TLS variant of e-Watch's SiteWatch video-surveillance server port; 3765 is the cleartext one.",
  "whatItIs": "IANA registers TCP 3766 to e-Watch Corporation as sitewatch-s, the SSL form of the SiteWatch server that sits on 3765, with UDP 3766 marked Reserved; the entry was last updated in 2014. SiteWatch is a commercial video-surveillance product, and the protocol is proprietary and undocumented publicly. Outside deployments of that specific product you will not encounter this port.",
  "exposure": {
    "verdict": "careful",
    "note": "A surveillance server reachable from the internet is a camera-feed exposure risk; TLS on the transport does not substitute for putting it behind a VPN."
  },
  "checkCommand": "openssl s_client -connect TARGET:3766 -brief </dev/null",
  "links": [
    {
      "title": "IANA port registry — 3766 (sitewatch-s)",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=3766",
      "kind": "iana"
    }
  ]
}