Port 4594
ias-session · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | ias-session |
Frequently asked questions
What is port 4594 used for?
Port 4594 is registered with the IANA for ias-session (TCP/UDP). Description: IAS-Session (ANRI-ANRI).
Is port 4594 a well-known port?
No. Port 4594 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4594 is open?
Locally on Linux with ss -tulpn | grep ':4594\b', on Windows with netstat -ano | findstr :4594. To test a remote host use Test-NetConnection <host> -Port 4594 in PowerShell or nc -zv <host> 4594 on Linux/macOS.
How do I open port 4594 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4594/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4594/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4594" -Direction Inbound -Protocol TCP -LocalPort 4594 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | ias-session | IAS-Session (ANRI-ANRI) |
| UDP | ias-session | IAS-Session (ANRI-ANRI) |