Which port is used to access shared folder?

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.

How do I allow file sharing through my firewall?

2. Allow File and Printer Sharing to communicate through Firewall

1. In the Windows Search bar, type Firewall and open Windows Defender Firewall.
2. Open the Allow an app or feature through Windows Defender Firewall.
3. Click Change settings.
4. Navigate to File and Printer Sharing and File and Printer Sharing over SMBDirect.

What ports need to be open on a firewall to access the Internet?

For HTTPS, you need to allow TCP packets between any port on an IP address inside the firewall, and port 443 outside the firewall, or more rarely any port outside the firewall (some websites are not on the default port). For HTTP, it’s the same with port 80.

What are ports 137 and 138 used for?

UDP ports 137 and 138 are used for local NetBIOS browser, naming, and lookup functions.

Is port 445 TCP or UDP?

TCP port 445 is used for direct TCP/IP MS Networking access without the need for a NetBIOS layer. This service is only implemented in the more recent verions Windows starting with Windows 2000 and Windows XP. The SMB (Server Message Block) protocol is used among other things for file sharing in Windows NT/2K/XP.

What is port 445 TCP?

Port 445 is a traditional Microsoft networking port with tie-ins to the original NetBIOS service found in earlier versions of Windows OSes. Today, port 445 is used by Microsoft Directory Services for Active Directory (AD) and for the Server Message Block (SMB) protocol over TCP/IP.

How do I enable file sharing in Windows 10?

Turn on network discovery and file and printer sharing, and turn off password protected sharing.

1. Select the Start button, then select Settings > Network & Internet , and on the right side, select Sharing options.
2. Under Private, select Turn on Network discovery and Turn on file and printer sharing.

How do I open port 443 on Windows?

Enable a port range in advance

1. Click Advanced settings in the left column of the Windows Firewall window.
2. Click Inbound Rules in the left column.
3. Click New Rules in the right column.
4. Select Port and click next.
5. Select TCP and enter 8000, 8001, 8002, 8003, 9000, 80, 443 in the Specific local ports field.
6. Click Next.