TCP 445 and 139 - Cisco Community

May 01, 2020 GRC | Port Authority, for Internet Port 139 This is the third port of the original "NetBIOS trio" used by the first Windows operating systems (up through Windows NT) in support of file sharing. For additional information about this trio of Internet ports, please see the "Background and Additional Information" for the first port of the trio, port 137. How Do I Open a Port on Windows Firewall? Nov 15, 2018

Dec 05, 2018

Nov 07, 2010 What Is Port 445 Used for in Windows 7? | Techwalla Sep 24, 2018

Ports 139 & 445 are Windows ports. Port 139 NetBIOS. NetBIOS Session (TCP), Windows File and Printer Sharing . This is one of the most dangerous port on the Internet. All "File and Printer Sharing" on a Windows machine runs over this port. About 10% of all users on the Internet leave their hard disks exposed on this port. Port 445 SMB

To port forward to in Windows 10: Launch an Administrator Command Prompt. Run “netsh interface portproxy add v4tov4 listenaddress= listenport=9000 Domain controllers required ports: Use PowerShell to check Nov 30, 2017 Setting up a Remote WMI Connection - Win32 apps Setting up a Remote WMI Connection. 05/31/2018; 4 minutes to read; In this article. Connecting to a WMI namespace on a remote computer may require that you change the settings for Windows Firewall, User Account Control (UAC), DCOM, or Common Information Model Object Manager (CIMOM).. The following sections are discussed in this topic: