Port 132
cisco-sys · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | cisco-sys |
Frequently asked questions
What is port 132 used for?
Port 132 is registered with the IANA for cisco-sys (TCP/UDP). Description: cisco SYSMAINT.
Is port 132 a well-known port?
Yes. Port 132 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 132 is open?
Locally on Linux with ss -tulpn | grep ':132\b', on Windows with netstat -ano | findstr :132. To test a remote host use Test-NetConnection <host> -Port 132 in PowerShell or nc -zv <host> 132 on Linux/macOS.
How do I open port 132 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 132/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=132/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 132" -Direction Inbound -Protocol TCP -LocalPort 132 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | cisco-sys | cisco SYSMAINT |
| UDP | cisco-sys | cisco SYSMAINT |