Port 8953

ub-dns-control · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceub-dns-control
Registered2011-05-10
Modified2011-07-11

Frequently asked questions

What is port 8953 used for?

Port 8953 is registered with the IANA for ub-dns-control (TCP/UDP). Description: unbound dns nameserver control; Reserved.

Is port 8953 a well-known port?

No. Port 8953 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 8953 is open?

Locally on Linux with ss -tulpn | grep ':8953\b', on Windows with netstat -ano | findstr :8953. To test a remote host use Test-NetConnection <host> -Port 8953 in PowerShell or nc -zv <host> 8953 on Linux/macOS.

How do I open port 8953 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 8953/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8953/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8953" -Direction Inbound -Protocol TCP -LocalPort 8953 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPub-dns-controlunbound dns nameserver control
UDP–Reserved

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