Port 27504

kopek-httphead · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicekopek-httphead
Registered2002-07

Frequently asked questions

What is port 27504 used for?

Port 27504 is registered with the IANA for kopek-httphead (TCP/UDP). Description: Kopek HTTP Head Port.

Is port 27504 a well-known port?

No. Port 27504 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 27504 is open?

Locally on Linux with ss -tulpn | grep ':27504\b', on Windows with netstat -ano | findstr :27504. To test a remote host use Test-NetConnection <host> -Port 27504 in PowerShell or nc -zv <host> 27504 on Linux/macOS.

How do I open port 27504 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 27504/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=27504/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 27504" -Direction Inbound -Protocol TCP -LocalPort 27504 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPkopek-httpheadKopek HTTP Head Port
UDPkopek-httpheadKopek HTTP Head Port

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