Port 7003

afs3-vlserver · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceafs3-vlserver

Frequently asked questions

What is port 7003 used for?

Port 7003 is registered with the IANA for afs3-vlserver (TCP/UDP). Description: volume location database.

Is port 7003 a well-known port?

No. Port 7003 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 7003 is open?

Locally on Linux with ss -tulpn | grep ':7003\b', on Windows with netstat -ano | findstr :7003. To test a remote host use Test-NetConnection <host> -Port 7003 in PowerShell or nc -zv <host> 7003 on Linux/macOS.

How do I open port 7003 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 7003/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7003/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7003" -Direction Inbound -Protocol TCP -LocalPort 7003 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPafs3-vlservervolume location database
UDPafs3-vlservervolume location database

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