Port 9955
alljoyn-mcm and alljoyn-stm · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | alljoyn-mcm and alljoyn-stm |
| Registered | 2012-03-14 |
Frequently asked questions
What is port 9955 used for?
Port 9955 is registered with the IANA for alljoyn-mcm and alljoyn-stm (TCP/UDP). Description: Contact Port for AllJoyn standard messaging; Contact Port for AllJoyn multiplexed constrained messaging.
Is port 9955 a well-known port?
No. Port 9955 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 9955 is open?
Locally on Linux with ss -tulpn | grep ':9955\b', on Windows with netstat -ano | findstr :9955. To test a remote host use Test-NetConnection <host> -Port 9955 in PowerShell or nc -zv <host> 9955 on Linux/macOS.
How do I open port 9955 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 9955/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=9955/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 9955" -Direction Inbound -Protocol TCP -LocalPort 9955 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | alljoyn-stm | Contact Port for AllJoyn standard messaging |
| UDP | alljoyn-mcm | Contact Port for AllJoyn multiplexed constrained messaging |