What should I do if I encounter Socket ERROR when uploading ftp?

                  The problem that FTP Socket cannot be connected: Users may not be able to list when uploading files using FTP, which may be caused by selecting upload in PASV mode. Therefore, please change the upload method to PORT. The same software, different versions, setting methods are also slightly different, so you need to set according to the actual situation (if you can't access after canceling pasv, please try to use the firewall access & rdquo; select and try again). Figure: CuteFTP 5.0XP Setting method: 1. Select Edit-->Click Settings 2. Select Firewall-->Click “PASV Mode> Remove the check box in the check box-->Click OK After connecting, "Data connection closed, transfer aborted ", please Enable firewall access
option to select the setting method of CuteFtpPro3.X: 1. Select Tools-->Click Global Options 2.Select Connection- ->Select the data connection type as: PORT--> Click OK. Other FTP settings: Cute FTP 3.5 English: FTP— Settings— Options— Firewall, tick the check box in the "PASV mode" Remove it. Cute FTP3.5 Chinese version: FTP— set — option — firewall, “ PASV mode (A) & rdquo; check in the check box to remove. Leap FTP2.7.2: Sites— Site Manager— Advanced, remove the tick from the checkbox in the “Use PASV mode”