gmetad's XML port — the aggregated view of every cluster it polls, on request.
gmetad is the Ganglia component that polls gmond nodes and aggregates them into a grid. Its configuration file documents xml_port with "default: 8651", the port on which it answers requests for the full XML summary; the Ganglia web frontend reads from it. There is no IANA assignment for 8651 — the number is a project convention. Like gmond, gmetad has no authentication, only an optional trusted-hosts list.
Do not expose
It returns the aggregated inventory of every cluster gmetad knows about. Restrict it to the monitoring host and the web frontend; there is no auth to fall back on.
$ nc TARGET 8651 | head -40Seen this on your network? Beige Box scans your Wi-Fi and shows every open port on every device — and its Ports tool links straight back here.
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