Port 5768

openmailpxy · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceopenmailpxy

Frequently asked questions

What is port 5768 used for?

Port 5768 is registered with the IANA for openmailpxy (TCP/UDP). Description: OpenMail CMTS Server.

Is port 5768 a well-known port?

No. Port 5768 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5768 is open?

Locally on Linux with ss -tulpn | grep ':5768\b', on Windows with netstat -ano | findstr :5768. To test a remote host use Test-NetConnection <host> -Port 5768 in PowerShell or nc -zv <host> 5768 on Linux/macOS.

How do I open port 5768 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5768/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5768/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5768" -Direction Inbound -Protocol TCP -LocalPort 5768 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPopenmailpxyOpenMail CMTS Server
UDPopenmailpxyOpenMail CMTS Server

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