APM: Net::FTP recieves file but still reaches timeout without saving

Mark Lehmann mlehmann at marklehmann.com
Fri Sep 3 15:56:37 CDT 2004


I suspect that the zone-alarm can detect certain types of FTP clients and
it lets the ones it thinks are safe work and blocks the others.
-- 
Mark Lehmannn
mlehmann at marklehmann.com - mobile 512 689-7705

<quote who="Jeremy Brooks">
> Thanks Wayne,
>   I'm using Passive with Net::FTP.  I have, in fact, turned on passive
> using all three methods provided in the Net::FTP docs.  (see the
> original post).  It turns out that the firewall on the server was
> broken.  The problem has been resolved.  However, we still don't know
> why ncftp worked and Net::FTP didn't.
>
> thanks for the help,
>   Jeremy
>
> On Wed, 2004-09-01 at 10:04, Wayne Walker wrote:
>> On Wed, Sep 01, 2004 at 08:40:16AM -0500, Jeremy Brooks wrote:
>> > Well,  the problem was zone-alarm running on the server.
>> > That begs the question, why did ncftp work just fine?
>>
>> Probably ncftp defaults to passive mode ftp and Net::FTP defaults to
>> active (or vice versa, I can never get the modes straight).  One is
>> considered a serious security problem, the other a possible denial of
>> service attack.
>
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