Is there any open source/commercial FTP client which supports FTPS (FTP over SSL/TLS) over firewall/proxy? Since If we use SSL/TLS, the Control channel is encrypted and the Firewall couldn't understand the port used for data communication. But, If we use passive mode, is this limitation can be addressed?
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belongs to http://superuser.com/ – Eugene Mayevski 'Callback Feb 07 '11 at 12:34
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Filezilla supports FTPS.
IF you configure Filezilla to use a very restricted set of ports, and open those in the firewall, then that should get around the issue with the control channel?
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But, opening a set of ports lead to the security hole in the firewall itself. – Siva Arunachalam Feb 07 '11 at 12:36