Third port of the Active Networks 3322-3325 reservation; unused in practice.
IANA lists 3324 only as part of the active-net block 3322-3325, Active Networks, registered by Bob Braden at ISI. The registration predates the modern registry's requirement for a contactable specification, and no active-networking implementation ever reached deployment, so the entry survives as a historical marker. Nothing in common use listens on 3324. Whatever you find there was configured by hand and should be identified directly.
Expose with care
An open 3324 is an unidentified listener; fingerprint it rather than trusting the active-net label a scanner prints.
$ nc -vz TARGET 3324Seen 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.
Get Beige Box →also available as JSON · Markdown
Corrections or a missing port? Reply @rimrocksystems.