Specifically, these ports are blocked: UDP 138, File and Printer Sharing (NB-Datagram-In) UDP 137, File and Printer Sharing (NB-Name-In) TCP 139, File and Printer Sharing (NB-Session-In) TCP 445, File and Printer Sharing (SMB-In) If you need to open one or more of these ports, you will need to make changes to the Inbound Rules for Windows Firewall.

Windows is capable of NFS, SMB, FTP, SSH/SCP and many other file sharing protocols and authentication for these services can require more than just AD, such as LDAP or NIS. SMB/AD/Krb certainly is the most common use case, but OP never really clarified. Mar 29, 2020 · SMB has always been a network file sharing protocol. As such, SMB requires network ports on a computer or server to enable communication to other systems. SMB uses either IP port 139 or 445. Port 139: SMB originally ran on top of NetBIOS using port 139. May 27, 2020 · The Server system service provides RPC support and file sharing, print sharing, and named pipe sharing over the network. The Server service lets users share local resources, such as disks and printers, so that other users on the network can access them. To make file and printer sharing work in Windows, you must open the associated system service port in Personal Firewall. To learn how to open system service ports, read Set up a new system service port. By default, Windows 10 allows file and printer sharing only over a private (home) network. It is disabled when your network type is set to Public. When you are signing in to your account and the first time your network is operational, Windows 10 asks you which kind of network you are connecting to: Home or Public. Dec 05, 2018 · TCP/139 – NetBIOS Session Service: This is perhaps the most known Windows port of all, as it is used to transfer files over TCP. This is both the port that NULL Sessions are established over and the port that file and printer sharing takes place on.

Aug 27, 2019

Server Message Block provides file sharing, network browsing, printing services, and interprocess communication over a network. The SMB protocol relies on lower-level protocols for transport. The Microsoft SMB protocol was often used with NetBIOS over TCP/IP (NBT) over UDP, using port numbers 137 and 138, and TCP port numbers 137 and 139. Mar 09, 2019 · Printer Sharing; Windows Management Instrumentation (WMI) Create Inbound Rule – File and Printer Sharing Service. We will create an inbound and outbound rule, add File and Printer sharing service as exception to firewall . An inbound rule to allow WMI. We will perform this activity on the Domain Controller. Select File and Printer Sharing for Microsoft Networks and click OK. Click Close to exit the properties dialog. 2.3.4 If File and Printer Sharing is disabled in the Windows Firewall of the client computers. Enable File and Printer Sharing the in client computers as below: Open the Windows Firewall and select the Exceptions tab

Furthermore with print sharing off, I CAN print to the network printer. Also, with Itunes I am able to see and import from a library on the xp machine. When I try to turn on file sharing, I click "on" on the radio button which clears the "off" button which is the normal action. I click save changes which pushes me back to the previous screen.

Mar 29, 2020 · SMB has always been a network file sharing protocol. As such, SMB requires network ports on a computer or server to enable communication to other systems. SMB uses either IP port 139 or 445. Port 139: SMB originally ran on top of NetBIOS using port 139. May 27, 2020 · The Server system service provides RPC support and file sharing, print sharing, and named pipe sharing over the network. The Server service lets users share local resources, such as disks and printers, so that other users on the network can access them. To make file and printer sharing work in Windows, you must open the associated system service port in Personal Firewall. To learn how to open system service ports, read Set up a new system service port. By default, Windows 10 allows file and printer sharing only over a private (home) network. It is disabled when your network type is set to Public. When you are signing in to your account and the first time your network is operational, Windows 10 asks you which kind of network you are connecting to: Home or Public. Dec 05, 2018 · TCP/139 – NetBIOS Session Service: This is perhaps the most known Windows port of all, as it is used to transfer files over TCP. This is both the port that NULL Sessions are established over and the port that file and printer sharing takes place on.