Port 1803

Modified by:

Port 1803 is used for a variety of purposes, including remote assistance and management of Windows devices through the Windows Remote Assistance and Remote Desktop features. It is also used for communication between Microsoft Intune-managed Windows devices and the Intune service for device management and policy enforcement. Additionally, it is used for communication between Microsoft Office 365 applications and the Office 365 services, such as Exchange Online and SharePoint Online.

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 1803
tcp
hp-hcip-gwy
HP-HCIP-GWY
REGISTERED PORT
Port 1803
udp
hp-hcip-gwy
HP-HCIP-GWY
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
Other ports
Port 4353
Port 4353 is used for the Apple Bonjour service, which allows devices and applications
Port 3394
Port 3394 is often used for Microsoft Remote Desktop Gateway (RD Gateway) connections. It
Port 4162
Port 4162 is commonly used for the Apache ActiveMQ messaging system. It is a
Port 2394
Port 2394 is used for the “Fast Search & Transfer (FAST) ESP service”. FAST
Port 8161
Port 8161 is typically used for remote access to Apache ActiveMQ, an open-source message
Port 1468
Ports those registered with IANA are shown as official ports. The same port number
Ports 7300 – 7400
Port 7300- Port 7400 Port 7400- Port 7500 Port 7500- Port 7600 Port 7600-
Port 4444
Port 4444 is commonly used for running automated tests with Selenium WebDriver, a popular
Port 6558
Port 6558 is commonly used by the Nagios Remote Data Processor (NRDP) protocol, which
Port 2057
Port 2057 is not a standard or well-known port that is assigned to any
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