Port 445

Modified by:

Port 445 is a TCP (Transmission Control Protocol) port used for SMB (Server Message Block) file sharing, which is a network protocol used for providing shared access to files, printers, and serial ports between nodes on a network. This is commonly used in Windows-based operating systems for network sharing and remote administration. However, it is also known to be a security risk and can be exploited by malicious attackers to gain unauthorized access to a system.

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 445
tcp
microsoft-ds
Microsoft-DS
WELL KNOWN PORT
Port 445
udp
microsoft-ds
Microsoft-DS
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 1431
Ports those registered with IANA are shown as official ports. The same port number
Port 4047
Port 4047 is not assigned to any specific service or application and can be
Port 1662
Port 1662 is commonly used for remote configuration of network devices, such as routers
Port 1628
Port 1628 is commonly used for communication between the client and the server in
Port 2389
Port 2389 is commonly used for LDAP over SSL/TLS (LDAPS) in many applications and
Port 1255
Ports those registered with IANA are shown as official ports. The same port number
Port 6549
Port 6549 is commonly used for the Peer-to-Peer streaming P2P Next protocol. It is
Port 683
Ports those registered with IANA are shown as official ports. The same port number
Port 1137
Ports those registered with IANA are shown as official ports. The same port number
Port 1360
Port 1360 is typically used by the Microsoft Windows software called “ScriptLogic”. It is
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