Re: FTP server behind NAT using Kerio
From: Wolfgang Kueter (wolfgang@shconnect.de)Date: 04/17/02
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From: Wolfgang Kueter <wolfgang@shconnect.de> Date: Wed, 17 Apr 2002 23:25:57 +0200
Mark wrote:
> Hi,
>
> I have a Windows 2000 FTP server running behind a Linksys DSL router.
> My router is configured to forward all port 21 requests to my server.
>
> I have Kerio 2.14 running on the server.
Unneccessary crap.
> Once the users have entered their usernames and passwords, Kerio flags
> the connection with an Outgoing Connection alert: IIS wants to reach
> someone through port 1069
> I tested it 5 times and I seem to get ports in the range of 1069 to
> 1103.
>
> Can somebody please explain to me exactly what is going on here? Is
> this NAT at work?
No, it is ftp at work.
> Can I open up a range of outgoing ports for IIS? What range would that
> be?
Random source ports. What abaout ftp-data? Who knows. Learn how ftp
functions.
Wolfgang
-- A foreign body and a foreign mind, never welcome in the land of the blind. Peter Gabriel, Not one of us, 1980
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