The easiest way to configure Windows Firewall to allow FTPS traffic is to list the FTP service on the inbound exception list. Because of this behavior, you will need to configure your Windows Firewall settings for FTP differently if you intend to use FTP over SSL (FTPS). The stateful FTP packet inspection in Windows Firewall will most likely prevent SSL from working because Windows Firewall filter for stateful FTP inspection will not be able to parse the encrypted traffic that would establish the data connection. AUTH SSL or AUTH TLS commands, and return an error to prevent SSL negotiation from starting.) (Some 3rd-party firewall filters recognize the beginning of SSL negotiation, e.g. FTP over SSL (FTPS) will not be covered by these rules the SSL negotiation will most likely fail because the Windows Firewall filter for stateful FTP inspection will not be able to parse encrypted data.In addition, the FTP client machine would need to have its own firewall exceptions setup for inbound traffic. Active FTP connections would not necessarily covered by the above rules an outbound connection from port 20 would also need to be enabled on server.Netsh advfirewall set global StatefulFtp enable To enable stateful FTP filtering that will dynamically open ports for data connections, type the following syntax then hit enter:.Netsh advfirewall firewall add rule name="FTP (non-SSL)" action=allow protocol=TCP dir=in localport=21 To open port 21 on the firewall, type the following syntax then hit enter:.Open a command prompt: click Start, then All Programs, then Accessories, then Command Prompt.To configure Windows Firewall to allow non-secure FTP traffic, use the following steps: Here are the commands to run and explanation of each: Then simply paste the commands below according to your needs: Note that to run these commands, you must run the command line as Administrator: The easiest way to do this is by command line. If Windows Firewall is enabled on your server, you will also need to adjust your firewall settings to allow FTP. TO LOG IN, SINCE ARE USING VIRTUAL HOST NAMES, you must enter the FTP username in this format: virtualhostname|usernameįor example, in the above steps we have a virtual host name of, and a username of "user1", so the FTP username would be:
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