Port 5091
cxtp · SCTP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | SCTP |
| Service | cxtp |
| Reference | RFC 4065 |
| Registered | 2005-07 |
Frequently asked questions
What is port 5091 used for?
Port 5091 is registered with the IANA for cxtp (SCTP). Description: Context Transfer Protocol.
Is port 5091 a well-known port?
No. Port 5091 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5091 is open?
Locally on Linux with ss -tulpn | grep ':5091\b', on Windows with netstat -ano | findstr :5091. To test a remote host use Test-NetConnection <host> -Port 5091 in PowerShell or nc -zv <host> 5091 on Linux/macOS.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| SCTP | cxtp | Context Transfer Protocol |