Re: [SLE] susefirewall2 and ftp

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The Friday 2005-12-09 at 07:52 +0200, Chadley Wilson wrote:

> I am not sure I understand your point, so let ask this, what is the
> difference between active and passive ftp ?

Active ftp needs port 20/tcp (ftp-data) open in the _client_. The server,
after getting the connection in his port 21, opens an outgoing connection
to the client in port 20. There are thus two connections, one for control,
another for data sent.

Passive does not need that port open in the client.

- --
Cheers,
Carlos Robinson

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