Re: ZoneAlarm blocks FTP apps

From: Matt Beckwith (beckwith_at_wchsys.org)
Date: 01/22/05


Date: 22 Jan 2005 12:50:24 -0800


Wolfgang Kueter wrote:

> Wrong.

> Complete Nonsense.

> Again: Complete nonsense. If you IP is hidden, you don't get back a
single
> packet from any computer using whatever protocol. It is a problem
that has
> to do with the fact, that ftp use two (!) connections (command and
the data
> channel) using different ports and that there are two possibilities
(active
> and passive mode) about how the connection properties for the data
channel
> are handled and set up between client and server. When using active
mode,
> the client becomes the server and you need to allow an incoming
connection
> to Port 20.

> which is that have no clue. Play around with ftp connecttions using
both
> modes and sniff the traffic. Read the RfC describing the ftp
protocol,
> analyse the results from your sniffer.

This post insults, criticizes and then offers a bunch of gibberish that
doesn't help to solve the problem.

Spare us from techies who just want to feel superior but don't really
want to help.



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