What ports does Kerberos use?
What ports does Kerberos use?
Ports 88 and 464 are the standard ports for Kerberos authentication. These ports are configurable. Port 464 is only required for password change operations. Ports 88 and 464 can use either the TCP or UDP protocol depending on the packet size and your Kerberos configuration, see Section 2.2.
What is TCP 88 used for?
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.
Why is 389 port used?
UDP Port 389 for LDAP network port is used to handle normal authentication queries from client computers.
What protocol does Kerberos use?
Kerberos uses UDP port 88 by default. The protocol was named after the character Kerberos (or Cerberus) from Greek mythology, the ferocious three-headed guard dog of Hades.
Is Kerberos port 88 encrypted?
Kerberos uses either UDP or TCP as transport protocol, which sends data in cleartext. Due to this Kerberos is responsible for providing encryption. Ports used by Kerberos are UDP/88 and TCP/88, which should be listen in KDC (explained in next section).
What does TCP port 22 do?
By default, port 22 is open on all IBM StoredIQ hosts. The port is used for Secure Shell (SSH) communication and allows remote administration access to the VM. In general, traffic is encrypted using password authentication.
Is 389 UDP or TCP?
Service Name and Transport Protocol Port Number Registry
| Service Name | Port Number | Transport Protocol |
|---|---|---|
| ldap | 389 | udp |
| ldaps | 636 | tcp |
| ldaps | 636 | udp |
| www-ldap-gw | 1760 | tcp |
Is port 389 TCP or UDP?
LDAP is an application layer protocol that uses port 389 via TCP or user datagram protocol (UDP). LDAP queries can be transmitted in cleartext and, depending upon configuration, can allow for some or all data to be queried anonymously.