425 Error In Ftp
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Error: 425 Can't open data connectionPrintable View «Go Back Information Article Environment Metadata Information Summary Error: 425 Can't open
Ftp Error Code 425
data connection Article Type FAQ Last Published Date 5/18/2013 1:52 AM ftp error 421 Last Modified Date 2/11/2015 9:28 PM Article Article Number 000002049 Title Error: 425 Can't open data connection Description
Microsoft Ftp Client
Question/Problem: I am using SSL and a firewall. I keep getting a 425 Can't open data connection error. We are not using NAT. What ports need to be https://support.microsoft.com/en-us/kb/129395 open on my firewall to make a successful connection? Product: WS_FTP Professional Version: 9.0+ Platform: All supported OS Solution Answer/Solution: The 425 error means that the data channel is blocked or closed between you and the server you are trying to connect to. For Active (PORT) connections open port 21. Also open inbound high ports above 1024 to http://ipswitchft.force.com/kb/articles/FAQ/Error-425-Can-t-open-data-connection-1307565974920 the client. You can specify the range of ports the client uses for an Active data connection by clicking Tools, Options, Firewall, and check "Limit local port range". Open the matching port range you specify in your firewall. For Passive (PASV) connections open port 21, and disable any outbound packet or command filtering. If you still cannot get a successful connection, check all devices that are between the client and server to ensure that the proper ports are open (e.g. routers).Another possible cause of the 425 error code is the SSL requirements on the server. In the case of the following error message: 425 unable to build data connection: Operation not permitted. The server requires the FTP client to reuse the SSL session. In WS_FTP Pro (12.2 and later) to enable this option: Edit your site profileClick SSL on the left of the site optionscheck "Reuse SSL Session" and click OK to save the change. Environment Version 12.3 Metadata Keywords Copyright © 2016 Ipswitch File Transfer, All Rights Reserved. | Ipswitch Portals | Privacy
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