Port 4071

aibkup · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceaibkup
Registered2007-07-10

Frequently asked questions

What is port 4071 used for?

Port 4071 is registered with the IANA for aibkup (TCP/UDP). Description: Automatically Incremental Backup.

Is port 4071 a well-known port?

No. Port 4071 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4071 is open?

Locally on Linux with ss -tulpn | grep ':4071\b', on Windows with netstat -ano | findstr :4071. To test a remote host use Test-NetConnection <host> -Port 4071 in PowerShell or nc -zv <host> 4071 on Linux/macOS.

How do I open port 4071 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4071/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4071/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4071" -Direction Inbound -Protocol TCP -LocalPort 4071 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPaibkupAutomatically Incremental Backup
UDPaibkupAutomatically Incremental Backup

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