TNSGroup's Hosting Manual
http://www.hostingmanual.net/Troubleshooting WS_FTP: Blocking Call Cancelled Error
This error is peculiar to WS_FTP, and generally indicates a problem with a router (sometimes referred to as a "blackhole router") between your computer and and our network. There are 3 possible solutions:
- Use CuteFTP or some other FTP client instead of WS_FTP.
- In your WS_FTP configuration, change the setting for Passive Transfers (If you find that Passive Transfers is enabled, you should disable it and if it is disabled, you should enable it.) and/or
- Increase the Network Timeout setting in WS_FTP to 120 or higher.
For more information on this error, see the WS_FTP Knowledge Base Article.
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