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TOPIC: Fails to bring back a directory listing thr FTP Connectivity

Fails to bring back a directory listing thr FTP Connectivity 10 years 2 months ago #16723

  • Bikramjit
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Hello, Do you have any idea that why one of the customer of mine is not able to get back the directory listing through ftp connectivity?

->He disable the SYN FLOOD ATTACKS for possible firewall lockup issue..

->Upgraded to latest firmware version..

->He is using WATCHGUARD FIREWALL AND VPN APPLIANCES (Model FIREBOX X_1000)

Any help!!

Thanks
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Re: Fails to bring back a directory listing thr FTP Connectivity 10 years 2 months ago #16724

  • Chris
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Bikramjit,

Directory listing and data transfer problems are almost always related to firewall/proxy problems which are blocking the extra ports required.

Data transfers, including directory listing, are performed on port 20, while the ftp connection and commands are sent via port 21. To help by pass these problems, there are two type of 'ftp' sessions one can use, passive and active.

In cases like yours, we usually configure the ftp client to use passive ftp, ensuring all data gets transfered without problems.

I'd advise you to take a quick look at the FTP protocol section under Networking->Protocols and then turn to your client to resolve the problem.

Cheers,
Chris Partsenidis.
Founder & Editor-in-Chief
www.Firewall.cx
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Re: Fails to bring back a directory listing thr FTP Connectivity 10 years 2 months ago #16725

  • Bikramjit
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Hi Chris, thanks for the info! I will check it and will let you know about the status.

Thanks!!

regards,

Bikramjit
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