Port 323
rpki-rtr · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | rpki-rtr |
| Reference | RFC 6810 |
Frequently asked questions
What is port 323 used for?
Port 323 is registered with the IANA for rpki-rtr (TCP/UDP). Description: Resource PKI to Router Protocol; Reserved.
Is port 323 a well-known port?
Yes. Port 323 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 323 is open?
Locally on Linux with ss -tulpn | grep ':323\b', on Windows with netstat -ano | findstr :323. To test a remote host use Test-NetConnection <host> -Port 323 in PowerShell or nc -zv <host> 323 on Linux/macOS.
How do I open port 323 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 323/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=323/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 323" -Direction Inbound -Protocol TCP -LocalPort 323 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | rpki-rtr | Resource PKI to Router Protocol |
| UDP | – | Reserved |