Port 50000: IBM Db2
Port 50000 is the conventional default listener port for IBM Db2 database connections. It is set by Db2's installer rather than assigned by IANA, and administrators can change it.
TCPDatabasesUnencrypted by default
| Port number | 50000 |
|---|---|
| Service | IBM Db2 database |
| Protocol | TCP |
| Category | Databases |
| Default encryption | No |
Security note. Port 50000 is not encrypted by default. Restrict it to trusted networks, or use an encrypted alternative where one exists, to avoid exposing credentials and data in transit.
Frequently asked questions
What is port 50000 used for?
Port 50000 is the conventional default listener port for IBM Db2 database connections. It is set by Db2's installer rather than assigned by IANA, and administrators can change it.
Is port 50000 TCP or UDP?
Port 50000 (IBM Db2) uses TCP.
Is port 50000 secure?
Port 50000 is not encrypted by default. Where possible, use an encrypted alternative or tunnel it over TLS or a VPN.
Should I open port 50000 on my firewall?
Only if you specifically need IBM Db2. Expose it to the smallest set of trusted sources, and never open database or Windows-service ports to the whole internet.