Port 4189

Port 4189 is commonly used for the Citrix ICA (Independent Computing Architecture) virtual channels. It is used for controlling and delivering thin client sessions in the Citrix XenApp (formerly known as Citrix Presentation Server) and Citrix XenDesktop environments.

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 4189
tcp
pcep
Path Computation Element Protocol
REGISTERED PORT

UnOfficial

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

Port Protocol (TCP/UDP) Description
TCP UDP Ports
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