If you are using Filezilla to connect to our server, you may experience frequent disconnect and may also result in lockout. This is because the firewall setting in our server that track the number of connections made by FTP session. If you use a default Filezilla setup, it will be using passive connection. This type of connection will result opening multiple connection via passive port to the server, and the firewall will block this type of connections to prevent any DDOS or SYN FLOOD.
To tackle this issue, we always recommend the customers to do the following:
If you still have issue, please feel free to email support@sosys.net for unblocking your IP address in our firewall.
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