Port 496
pim-rp-disc · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | pim-rp-disc |
Frequently asked questions
What is port 496 used for?
Port 496 is registered with the IANA for pim-rp-disc (TCP/UDP). Description: PIM-RP-DISC.
Is port 496 a well-known port?
Yes. Port 496 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 496 is open?
Locally on Linux with ss -tulpn | grep ':496\b', on Windows with netstat -ano | findstr :496. To test a remote host use Test-NetConnection <host> -Port 496 in PowerShell or nc -zv <host> 496 on Linux/macOS.
How do I open port 496 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 496/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=496/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 496" -Direction Inbound -Protocol TCP -LocalPort 496 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | pim-rp-disc | PIM-RP-DISC |
| UDP | pim-rp-disc | PIM-RP-DISC |