Port 46
mpm-snd · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | mpm-snd |
Frequently asked questions
What is port 46 used for?
Port 46 is registered with the IANA for mpm-snd (TCP/UDP). Description: MPM [default send].
Is port 46 a well-known port?
Yes. Port 46 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 46 is open?
Locally on Linux with ss -tulpn | grep ':46\b', on Windows with netstat -ano | findstr :46. To test a remote host use Test-NetConnection <host> -Port 46 in PowerShell or nc -zv <host> 46 on Linux/macOS.
How do I open port 46 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 46/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=46/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 46" -Direction Inbound -Protocol TCP -LocalPort 46 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | mpm-snd | MPM [default send] |
| UDP | mpm-snd | MPM [default send] |