Re: Firewall and a FTP server

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Hello TAC,

TF> We have a FTP server, (Red Hat Linux 7) behind a firewall, the
TF> firewall allows only incomming and established connections on ports
TF> 20,21  from any where and evry where.

TF> The Problem is, when the customers use FTP clients, the manage to
TF> login , but cannot upload/download files if they use PASSIVE FTP
TF> connections.

TF> Can smeone suggest, how the best way to get out of this situation,
TF> should we enable all ports above 1023?

If you use VSFTPD (recommended), there's a directive there that tells
the daemon to open a port from a selected range of ports - that should
be more secure.


-- 
Best regards,
 Marcin                            mailto:mark@xxxxxxxxxxxxx




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