Port 22305
cis · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | cis |
| Registered | 2007-08-16 |
Frequently asked questions
What is port 22305 used for?
Port 22305 is registered with the IANA for cis (TCP/UDP). Description: CompactIS Tunnel.
Is port 22305 a well-known port?
No. Port 22305 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 22305 is open?
Locally on Linux with ss -tulpn | grep ':22305\b', on Windows with netstat -ano | findstr :22305. To test a remote host use Test-NetConnection <host> -Port 22305 in PowerShell or nc -zv <host> 22305 on Linux/macOS.
How do I open port 22305 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 22305/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=22305/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 22305" -Direction Inbound -Protocol TCP -LocalPort 22305 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | cis | CompactIS Tunnel |
| UDP | cis | CompactIS Tunnel |