Port 9953
acis · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | acis |
| Registered | 2006-01 |
Frequently asked questions
What is port 9953 used for?
Port 9953 is registered with the IANA for acis (TCP/UDP). Description: 9953.
Is port 9953 a well-known port?
No. Port 9953 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 9953 is open?
Locally on Linux with ss -tulpn | grep ':9953\b', on Windows with netstat -ano | findstr :9953. To test a remote host use Test-NetConnection <host> -Port 9953 in PowerShell or nc -zv <host> 9953 on Linux/macOS.
How do I open port 9953 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 9953/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=9953/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 9953" -Direction Inbound -Protocol TCP -LocalPort 9953 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | acis | 9953 |
| UDP | acis | 9953 |