Android Question FTP files in a 4G network Not Downloading or Importing

Discussion in 'Android Questions' started by Jairo Lizotti, Aug 29, 2018.

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  1. Jairo Lizotti

    Jairo Lizotti Member Licensed User

    Hello Good Morning

    I have a Sales App Developed in b4a, where the vendors of the company have a config file generated in a desktop system transfered to the FTP in model ".CSV", then In the APP the files are downloaded from the FTP and Imported to the system base.
    but when the vendor uses a 4G network to communicate to the FTP, the files always not download, but when the network is in wi-fi, everything occurs in line!
    any ideia how i can control a download transference to the FTP in 4G Network?
     
  2. OliverA

    OliverA Well-Known Member Licensed User

    Where is the FTP file located? On a server locally?
     
  3. Jairo Lizotti

    Jairo Lizotti Member Licensed User

    nope, it's a web server
     
  4. OliverA

    OliverA Well-Known Member Licensed User

    So it is a public web server? Are you using passive or active FTP? If active, try passive. Many telecom providers use reserved IP addresses which may interfere with active FTP.
    Active/passive FTP: http://slacksite.com/other/ftp.html
     
    Jairo Lizotti, inakigarm and Erel like this.
  5. Erel

    Erel Administrator Staff Member Licensed User

  6. Jairo Lizotti

    Jairo Lizotti Member Licensed User

    Thanks, for the tip, i have tested and it look funtional until now, setting the passive mode to false

    Thank you guys for the quickly help
     
  7. OliverA

    OliverA Well-Known Member Licensed User

    Huh? Should it not be True?
     
    DonManfred likes this.
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