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Port 8002 (teradataordbms)

IANA assigns port 8002 to teradataordbms: Teradata ORDBMS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
teradataordbms TCP Teradata ORDBMS Curt Ellmann -
teradataordbms UDP Teradata ORDBMS Curt Ellmann -

Check what is listening on port 8002

Linux: is anything listening on TCP 8002?
sudo ss -tlnp 'sport = :8002'
Linux: UDP 8002
sudo ss -ulnp 'sport = :8002'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8002
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8002 '
Windows (Command Prompt)
netstat -ano | findstr :8002
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8002 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8002
From Windows
Test-NetConnection HOST -Port 8002
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8002

Block port 8002 in the firewall

ufw
sudo ufw deny 8002/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8002 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8002 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8002' -Direction Inbound -Protocol TCP -LocalPort 8002 -Action Block
ufw
sudo ufw deny 8002/udp
iptables
sudo iptables -A INPUT -p udp --dport 8002 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8002 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8002' -Direction Inbound -Protocol UDP -LocalPort 8002 -Action Block

Related ports

8000HTTP alternate / Django dev8001vcom-tunnel8003mcreport8004p2pevolvenet

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.