{
  "port": 8402,
  "protocol": "tcp",
  "service": "abarsd (Commvault services)",
  "oneLiner": "Part of Commvault's 8400-8405 service block; IANA lists only the bare name abarsd.",
  "whatItIs": "The IANA registry gives 8402 the name abarsd with no description and no reference, from the same undated bulk registration as cvd on 8400. Commvault's firewall documentation lists \"TCP 8402 — Commvault services\" in the block it requires open between CommServe, MediaAgent and clients, together with 8400 (CVD), 8401 (Server Event Manager), 8403 (Commvault Firewall) and 8405. So a listener here almost always travels with 8400 on the same host; on its own it is unidentified.",
  "exposure": {
    "verdict": "never",
    "note": "Backup-infrastructure plumbing with no reason to face the internet. Restrict it to the backup network alongside 8400."
  },
  "checkCommand": "sudo lsof -nP -iTCP:8402 -sTCP:LISTEN",
  "links": [
    {
      "title": "Commvault — Firewall port requirements",
      "url": "https://documentation.commvault.com/11.41/software/firewall_port_requirements.html",
      "kind": "official-docs"
    },
    {
      "title": "IANA Service Name and Transport Protocol Port Number Registry",
      "url": "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml",
      "kind": "iana"
    }
  ]
}