This will open the Windows Firewall with Advanced Security screen. In the left navigation pane, click on Inbound Rules. In the Inbound Rules screen, scroll down to find the File and Printer Sharing ports. NOTE - there are a total of 9 file and printer sharing ports, but you are only opening the ones listed here: File and Printer Sharing (NB

Dec 15, 2017 · VIPRE Agent Bidirectional TCP ports: Inbound/Outbound TCP Port 135: Allows WMI (Windows Management Instrumentation) updates; Inbound/Outbound TCP Ports 139 & 445: Allows Microsoft File & Printer Sharing traffic However I'll try to make suggestions although I don't use file sharing myself. Double-click the taskbar icon to open SecurityCenter. Dismiss any slogan that might be displayed. Click Web and Email Protection below. Click Firewall. Click Ports and System Services and check the item Windows File Sharing (NETBIOS) Ports 137-139. See if that helps. The steps below show which ports you open to allow the eMule peer-to-peer file sharing application to work. If you use a different application, adapt the steps to suit. Identify the ports used by eMule. Open eMule and open Preferences. On the left side of the Preferences window, click Connection. The TCP and UDP ports used by eMule are displayed. CIFS is the primary protocol used by Windows systems for file sharing. CIFS uses UDP ports 137 and 138, and TCP ports 139 and 445. Your storage system sends and receives data on these ports while providing CIFS service. When left open, these ports are susceptible to a variety of traditional attacks – like brute-force password guessing – but also to more modern ransomware attacks (such as WannaCry). In these cases, we recommend that the client either (1) disable Windows File Sharing on this server or (2) set up firewall rules to make the ports inaccessible

Outbound rule for File and Printer Sharing to allow Link Local Multicast Name Resolution. Local: Any. Remote: 5355. UDP: Out: File and Printer Sharing (NB-Datagram-In) Inbound rule for File and Printer Sharing to allow NetBIOS Datagram transmission and reception.

File Sharing Broken Yet Again - Windows 10 Microsoft Jan 25, 2018 Zero-day Windows file-sharing flaw can crash systems The implementation of the SMB network file sharing protocol in Windows has a serious vulnerability that could allow hackers to, at the very least, remotely crash systems.

Nov 28, 2016 · SMB (Server Message Block) used by Microsoft Windows and Mac OS X computers. This protocol is enabled by default. It is sometimes referred to as the CIFS (Common Internet File Service) file-sharing protocol. SMB uses TCP/IP. It is recommended that this protocol be enabled if Windows users access your NAS.

Unable to Share Data between Amazon EC2 Instances for Windows Microsoft file sharing SMB: User Datagram Protocol (UDP) ports from 135 through 139 and Transmission Control Protocol (TCP) ports from 135 through 139. Direct-hosted SMB traffic without a network basic input/output system (NetBIOS): port 445 (TCP and UPD). Enable SMB 1.0/CIFS File sharing support on Windows 10 Nov 09, 2019 How to Check Open TCP/IP Ports in Windows