Port 3515

must-backplane · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicemust-backplane
Registered2002-05

Frequently asked questions

What is port 3515 used for?

Port 3515 is registered with the IANA for must-backplane (TCP/UDP). Description: MUST Backplane.

Is port 3515 a well-known port?

No. Port 3515 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3515 is open?

Locally on Linux with ss -tulpn | grep ':3515\b', on Windows with netstat -ano | findstr :3515. To test a remote host use Test-NetConnection <host> -Port 3515 in PowerShell or nc -zv <host> 3515 on Linux/macOS.

How do I open port 3515 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3515/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3515/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3515" -Direction Inbound -Protocol TCP -LocalPort 3515 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPmust-backplaneMUST Backplane
UDPmust-backplaneMUST Backplane

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