you must disable the option for multiple connections otherwise x10hosting's firewall may block you
Edit (top of screen) --> Settings --> Transfers --> Concurent transfers - set all three to "1"
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CAUTION: Your IP can be blocked with x10hosting's firewall - for too many "Failed" FTP logins in a short period
The FTP details you need for FileZilla (or other FTP client)...
click on icon at top lefthand side of screen (Open the Site Manager)
click on [ New Site ] - enter a name for your site
Host: (your account's primary (main) domain) or (your server's IP) - Port: 21
Protocl: FTP - File Transfer Protocol
Encryption: Use plain FTP
Logon Type: Normal
User: (your cPanel user name)
Password: (your cPanel password)
click on [ Connect ]