Port 5787
waascluster · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | waascluster |
| Registered | 2011-02-08 |
Frequently asked questions
What is port 5787 used for?
Port 5787 is registered with the IANA for waascluster (TCP/UDP). Description: Reserved; Cisco WAAS Cluster Protocol.
Is port 5787 a well-known port?
No. Port 5787 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5787 is open?
Locally on Linux with ss -tulpn | grep ':5787\b', on Windows with netstat -ano | findstr :5787. To test a remote host use Test-NetConnection <host> -Port 5787 in PowerShell or nc -zv <host> 5787 on Linux/macOS.
How do I open port 5787 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 5787/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5787/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5787" -Direction Inbound -Protocol TCP -LocalPort 5787 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | – | Reserved |
| UDP | waascluster | Cisco WAAS Cluster Protocol |