Registered simply as "hermes", with no assignee and no specification.
Port 1248 is listed by IANA on TCP and UDP under the service name hermes, with an empty assignee field and a description that repeats the name. "Hermes" is a name reused by many unrelated projects, so the registration does not identify any particular software. There is no protocol document to read and nothing well-documented that habitually listens here.
Expose with care
Unknown service; find the owning process locally before exposing or allowing it through a firewall.
$ sudo lsof -nP -iTCP:1248 -sTCP:LISTENSeen 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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Corrections or a missing port? Reply @rimrocksystems.