{
  "port": 15003,
  "protocol": "both",
  "service": "PBS/TORQUE pbs_resmom",
  "oneLiner": "The resource-manager port of a PBS or TORQUE compute node's MOM daemon.",
  "whatItIs": "TORQUE and its PBS ancestors hard-code a block of ports for the batch system: 15001 for pbs_server, 15002 for the MOM's server channel, 15003 for MOM resource-management requests (PBS_MANAGER_SERVICE_PORT, service name pbs_resmom), and 15004 for the scheduler. A listener on 15003 means the machine is a compute node in an HPC cluster running pbs_mom. IANA has never assigned 15003, so the convention lives in the source and in the /etc/services block the packages install.",
  "exposure": {
    "verdict": "never",
    "note": "Batch-system RPC between nodes that trust each other on a private cluster network; there is no authentication story that makes it safe to reach from the internet."
  },
  "checkCommand": "nc -vz -w 3 TARGET 15003",
  "links": [
    {
      "title": "TORQUE — pbs_ifl.h (PBS_MANAGER_SERVICE_PORT 15003)",
      "url": "https://github.com/adaptivecomputing/torque",
      "kind": "github"
    },
    {
      "title": "OpenPBS source repository",
      "url": "https://github.com/openpbs/openpbs",
      "kind": "github"
    }
  ]
}