The secure sibling of 10002 in Documentum's IANA registration; equally rare in the wild.
IANA carries 10003 as documentum_s (with documentum-s as the well-formed replacement name), the secure counterpart to 10002 for the EMC Documentum Content Server product. Like 10002 it is a registration far more often cited than observed — Nmap sees it open on about 0.02% of scanned hosts. Documentum clients normally reach a repository through the connection broker on 1489.
Expose with care
Content-repository ports are internal infrastructure. Confirm what is actually listening rather than relying on the registered name.
$ nmap -sV -p 10003 TARGETSeen 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.