Port 389

Modified by:

Port 389 is used for Lightweight Directory Access Protocol (LDAP) which is a protocol used to access and manage directory information services. It enables directory services to be widely available across a network and allows clients to access and modify data without requiring administrative access to the directory itself.

Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.

Official

Port
Protocol (TCP/UDP)
Title
Description
Port Type
Port 389
tcp
ldap
Lightweight Directory Access
WELL KNOWN PORT
Port 389
udp
ldap
Lightweight Directory Access
WELL KNOWN PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
Other ports
Port 6509
Port 6509 is commonly used for communication between network devices, particularly for Cisco switches
Port 5249
Port 5249 is typically used by Apple’s iChat instant messaging service. It is used
Port 3455
Ports those registered with IANA are shown as official ports. The same port number
Port 2451
Port 2451 is typically used for communication between certain software applications and database servers,
Port 1720
Port 1720 is typically used for H.323 multimedia conferencing over a TCP/IP network. It
Port 383
Ports those registered with IANA are shown as official ports. The same port number
Port 608
Port 608 is used for communication between the Lotus Notes client and Domino server.
Port 2827
Ports those registered with IANA are shown as official ports. The same port number
Port 1081
Port 1081 is used for SOCKS proxy servers. It is commonly used for applications
Port 16000
Port 16000 is used for the GoodSync Control Center, which is a software that
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