Port 911 is not a commonly used port for any specific service or application. It is considered as a dynamic/private port, meaning it is not officially assigned by the Internet Assigned Numbers Authority (IANA). Therefore, the usage of port 911 can vary depending on the system or software that uses it. It is important to note that some malware or viruses may attempt to use this port for unauthorized activities, so it is recommended to monitor network traffic on all ports for security purposes.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 911 |
tcp |
xact-backup |
xact-backup |
WELL KNOWN PORT |
Port 911 |
udp |
xact-backup |
xact-backup |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
| Port | Protocol (TCP/UDP) | Description |
| Port 911 | Network Console on Acid (NCA)�local tty redirection over OpenSSH |