Port 10003 (documentum-s, documentum_s)

IANA assigns port 10003 to documentum-s, documentum_s: EMC-Documentum Content Server Product IANA assigned this well-formed service name as a replacement for "documentum_s"..

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

documentum-s TCP EMC-Documentum Content Server Product IANA assigned this well-formed service name as a replacement for "documentum_s". Reza Bagherian -

documentum_s TCP EMC-Documentum Content Server Product
This entry is an alias to "documentum-s". This entry is now historic, not usable for use with many common service discovery mechanisms. Reza Bagherian -

documentum-s UDP EMC-Documentum Content Server Product IANA assigned this well-formed service name as a replacement for "documentum_s". Reza Bagherian -

documentum_s UDP EMC-Documentum Content Server Product
This entry is an alias to "documentum-s". This entry is now historic, not usable for use with many common service discovery mechanisms. Reza Bagherian -

Registry dates for this port: registered 2007-07-19.

Check what is listening on port 10003

Linux: is anything listening on TCP 10003?

sudo ss -tlnp 'sport = :10003'

Linux: UDP 10003

sudo ss -ulnp 'sport = :10003'

Linux / macOS: which process owns the port

sudo lsof -nP -i :10003

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':10003 '

Windows (Command Prompt)

netstat -ano | findstr :10003

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 10003 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine

nc -vz -w 5 HOST 10003

From Windows

Test-NetConnection HOST -Port 10003

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 10003

Block port 10003 in the firewall

ufw

sudo ufw deny 10003/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 10003 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 10003 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 10003' -Direction Inbound -Protocol TCP -LocalPort 10003 -Action Block

ufw

sudo ufw deny 10003/udp