Download 425 Can T Open Data Connection Pics. Since ftp uses two connections (the main connection, and then another for the data transfers), this is a problem with firewalls. The control connection is started from the client to the server and thus makes usually no problems, but the data connections are different:
425 can't open data connection. The 425 error means that the data channel is blocked or closed between you and the server you are trying to connect to. For passive connections open ports 21 and 1024+ (and higher) if a successful connection cannot be established, check all devices that are between the client and server to ensure that the proper ports are open (e.g.
The 425 error means that the data channel is blocked or closed between you and the server you are trying to connect to.
For passive connections open ports 21 and 1024+ (and higher) if a successful connection cannot be established, check all devices that are between the client and server to ensure that the proper ports are open (e.g. If l is 30 like in your case the source port should be 29 and no longer 20 so you have to allow connections from port 29. Port 20 is used as a source port for data connections in active mode (the on you use here) if the server listens on the default port 21. To do this just open the job where you receive this error, find the ftp destination, and click on the “edit” button as shown in the picture below:
