Port 7022

ctdp · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicectdp
Registered2005-06

Frequently asked questions

What is port 7022 used for?

Port 7022 is registered with the IANA for ctdp (TCP/UDP). Description: CT Discovery Protocol.

Is port 7022 a well-known port?

No. Port 7022 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 7022 is open?

Locally on Linux with ss -tulpn | grep ':7022\b', on Windows with netstat -ano | findstr :7022. To test a remote host use Test-NetConnection <host> -Port 7022 in PowerShell or nc -zv <host> 7022 on Linux/macOS.

How do I open port 7022 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 7022/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7022/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7022" -Direction Inbound -Protocol TCP -LocalPort 7022 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPctdpCT Discovery Protocol
UDPctdpCT Discovery Protocol

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