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// Other services

Port 10003: EMC-Documentum Content Server Product

Port 10003 is assigned by IANA to documentum_s (EMC-Documentum Content Server Product), documentum-s (EMC-Documentum Content Server Product IANA assigned this well-formed service name as a replacement for "documentum_s".).

10003

How documentum_s works

Other services
client:10003documentum_sresponse client:10003documentum_sresponse

The client sends a request to port 10003 and the documentum_s service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 10003 dangerous?

We have no specific security note for port 10003. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 10003

ServicePortTransportDescriptionReferenceUpdated
documentum_s 10003 TCP, UDP EMC-Documentum Content Server Product - 2007-07-19
documentum-s 10003 TCP, UDP EMC-Documentum Content Server Product IANA assigned this well-formed service name as a replacement for "documentum_s". - 2007-07-19

// source: IANA service name and port number registry

03 Check it

Which program uses port 10003, and is it reachable?

Linux

sudo ss -ltnup 'sport = :10003'      # process listening on 10003
sudo lsof -nP -i :10003

macOS

sudo lsof -nP -i :10003

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 10003 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 10003
netstat -ano | findstr :10003

From another machine

nmap -p 10003 -sV <host>
sudo nmap -sU -p 10003 <host>
nc -zv <host> 10003

Block it in the firewall

sudo ufw deny 10003/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 10003" -Direction Inbound -LocalPort 10003 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 10003 used for?

Port 10003 is assigned by IANA to documentum_s (EMC-Documentum Content Server Product), documentum-s (EMC-Documentum Content Server Product IANA assigned this well-formed service name as a replacement for "documentum_s".).

Is port 10003 TCP or UDP?

Port 10003 is registered for TCP and UDP.

Is it safe to open port 10003?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 10003 is open?

On Linux run "ss -ltnup 'sport = :10003'", on macOS "lsof -nP -i :10003", and on Windows "netstat -ano | findstr :10003" to see the local process. From another machine, "nmap -p 10003 <host>" shows whether it is reachable.

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