The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix. If the hotfix is available for download, there is a 'Hotfix download available' section at the top of this Knowledge Base article. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix. This hotfix might receive additional testing. Apply this hotfix only to systems that are experiencing the problem described in this article. However, this hotfix is intended to correct only the problem that is described in this article. Resolution Hotfix informationĪ supported hotfix is available from Microsoft. However, WFP treats the endpoint as an IPv6 endpoint. In this situation, the FTP analyzer on the FTP client treats the endpoint as an IPv4 endpoint. This issue occurs because the TCP Control Block (TCB) and Windows Filtering Platform (WFP) contexts for dual-mode sockets are not synchronized.

In this scenario, the firewall drops the response to the PASV commands from the FTP server. To do this, the FTP client sends PASV commands to the FTP server. The FTP client tries to establish a passive-mode FTP connection to an IPv4 FTP server by using a dual-mode IPV6 socket. Netsh advfirewall set global StatefulFtp enableNote The filter dynamically opens ports for data connections. You run the following command to enable the firewall application filter for the FTP client: You run a Java-based or native C-based FTP client on a computer that is running Windows 7 or Windows Server 2008 R2. Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Datacenter Windows Server 2008 R2 for Itanium-Based Systems Windows Server 2008 R2 Foundation Windows Server 2008 R2 Standard Windows Server 2008 R2 Web Edition Windows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Starter Windows 7 Ultimate More.

Extended passive mode filezilla port