What is Kerberos port no?

What is the Kerberos port number?

The default ports used by Kerberos are port 88 for the KDC1 and port 749 for the admin server. You can, however, choose to run on other ports, as long as they are specified in each host's /etc/services and krb5.

What ports need to be open for Kerberos?

Strictly speaking, the only port that needs to be open for Kerberos to function properly is 88. The other ports can be opened as needed to provide their respective services to clients outside of the firewall.

Why is port 88 used?

Side note: UDP port 88 uses the Datagram Protocol, a communications protocol for the Internet network layer, transport layer, and session layer. This protocol when used over PORT 88 makes possible the transmission of a datagram message from one computer to an application running in another computer.

What is TCP port 750 used for?

There are four Kerberos ports in the /etc/services file: TCP port 88, UDP port 88, TCP port 750, and UDP port 750. These ports are used only for outbound connections from your storage system. Your storage system does not run Kerberos servers or services and does not listen on these ports.

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