Port 9103

bacula-sd · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicebacula-sd
Registered2002-01

Frequently asked questions

What is port 9103 used for?

Port 9103 is registered with the IANA for bacula-sd (TCP/UDP). Description: Bacula Storage Daemon.

Is port 9103 a well-known port?

No. Port 9103 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 9103 is open?

Locally on Linux with ss -tulpn | grep ':9103\b', on Windows with netstat -ano | findstr :9103. To test a remote host use Test-NetConnection <host> -Port 9103 in PowerShell or nc -zv <host> 9103 on Linux/macOS.

How do I open port 9103 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 9103/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=9103/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 9103" -Direction Inbound -Protocol TCP -LocalPort 9103 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPbacula-sdBacula Storage Daemon
UDPbacula-sdBacula Storage Daemon

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