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How to block FTP traffic?

Posted: Mon Feb 06, 2006 7:03 pm
by Maxie
I am using firewalling of port 21.
3 chain=forward src-address= dst-address= protocol=tcp
dst-port=21 time=0s-2h,sat,fri,thu,wed,tue,mon,sun action=drop

But, what if someone changes port on ftp server, to lets say port 58 or something?
Is there a way to block FTP in a way like P2P is handled, so that port configuration of FTP server is not relevant?

Posted: Tue Feb 07, 2006 6:04 pm
by Maxie

Posted: Tue Feb 07, 2006 9:44 pm
by djape