Port 5586
att-mt-sms · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | att-mt-sms |
| Registered | 2014-08-21 |
Frequently asked questions
What is port 5586 used for?
Port 5586 is registered with the IANA for att-mt-sms (TCP/UDP). Description: Planning to send mobile terminated SMS to the specific port so that the SMS is not visible to the client; Reserved.
Is port 5586 a well-known port?
No. Port 5586 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5586 is open?
Locally on Linux with ss -tulpn | grep ':5586\b', on Windows with netstat -ano | findstr :5586. To test a remote host use Test-NetConnection <host> -Port 5586 in PowerShell or nc -zv <host> 5586 on Linux/macOS.
How do I open port 5586 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 5586/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5586/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5586" -Direction Inbound -Protocol TCP -LocalPort 5586 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | att-mt-sms | Planning to send mobile terminated SMS to the specific port so that the SMS is not visible to the client |
| UDP | – | Reserved |