Port 8890
ddi-tcp-3 and ddi-udp-3 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | ddi-tcp-3 and ddi-udp-3 |
Frequently asked questions
What is port 8890 used for?
Port 8890 is registered with the IANA for ddi-tcp-3 and ddi-udp-3 (TCP/UDP). Description: Desktop Data TCP 2; NewsEDGE client broadcast.
Is port 8890 a well-known port?
No. Port 8890 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 8890 is open?
Locally on Linux with ss -tulpn | grep ':8890\b', on Windows with netstat -ano | findstr :8890. To test a remote host use Test-NetConnection <host> -Port 8890 in PowerShell or nc -zv <host> 8890 on Linux/macOS.
How do I open port 8890 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 8890/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8890/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8890" -Direction Inbound -Protocol TCP -LocalPort 8890 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | ddi-tcp-3 | Desktop Data TCP 2 |
| UDP | ddi-udp-3 | NewsEDGE client broadcast |