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
Ports 51400 – 51500
Port 51400- Port 51500 Port 51500- Port 51600 Port 51600- Port 51700 Port 51700-
Port 23333
Port 23333 is not assigned to a specific service or application. It is an
Port 2236
Ports those registered with IANA are shown as official ports. The same port number
Port 632
Port 632 is typically used for the IBM Application and Transaction Monitoring Network console
Port 9630
Port 9630 is not assigned to any specific service or application by the Internet
Port 1584
Port 1584 is commonly used for communication between web servers and proxy servers using
Port 2950
Port 2950 is typically used for Cisco Secure Desktop (CSD) protocol, which is used
Port 4080
Port 4080 is often used as an alternative HTTP port. It is commonly used
Port 201
Port 201 is not a well-known port number and its specific use may vary
Ports 26600 – 26700
Port 26600- Port 26700 Port 26700- Port 26800 Port 26800- Port 26900 Port 26900-
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