Port 1043

boinc-client · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceboinc-client
Registered2004-11

Frequently asked questions

What is port 1043 used for?

Port 1043 is registered with the IANA for boinc-client (TCP/UDP). Description: BOINC Client Control.

Is port 1043 a well-known port?

No. Port 1043 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 1043 is open?

Locally on Linux with ss -tulpn | grep ':1043\b', on Windows with netstat -ano | findstr :1043. To test a remote host use Test-NetConnection <host> -Port 1043 in PowerShell or nc -zv <host> 1043 on Linux/macOS.

How do I open port 1043 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 1043/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1043/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1043" -Direction Inbound -Protocol TCP -LocalPort 1043 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPboinc-clientBOINC Client Control
UDPboinc-clientBOINC Client Control

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