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Date:      Tue, 3 Dec 2002 13:52:06 -0500
From:      "Liquid" <liquid@liquidonline.ca>
To:        "'Alvaro Gil'" <alvaro@vrx.net>
Cc:        <questions@FreeBSD.ORG>
Subject:   RE: Is there any way to disable passive mode on ftpd?
Message-ID:  <000001c29afd$13e60400$6400a8c0@windows>
In-Reply-To: <p0511170eba12901e83f4@[192.168.1.100]>

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Now I don't know if that's a result of using a certain NAT setup vs
another, but I'm using ipnat + ipfilter, and I had ftp forwarded to a
windows box, and it worked fine for ftp, setting ports 10010-1030 for
passive mode.  I then decided to play with ncftpd on a linux box a while
back, and it too worked, using the same ports and such.  When the NAT
does its "thing", if I'm to understand this correctly, the ftp will
think that anything coming in is coming from the gateway anyway... so
its ok if it's the LAN IP's.. or something like that.  I'm going to read
through the ipfilter whitepaper again and find exactly what was said
there.  (If you're using ipf already, you really must look at
www.obfuscation.org/ipf )


> -----Original Message-----
> From: owner-freebsd-questions@FreeBSD.ORG [mailto:owner-freebsd-
> questions@FreeBSD.ORG] On Behalf Of Alvaro Gil
> Sent: December 3, 2002 11:46 AM
> To: questions@FreeBSD.ORG
> Subject: RE: Is there any way to disable passive mode on ftpd?
>=20
> >If that's not possible, I guess I need to know the same thing as
> Alvaro
> >here was asking...
>=20
> The other problem is that when it goes into passive mode, the ip
> changes form a global one to the local ip the machine is on!  So it
> really only works well on the local network....
> --
> ____________________________________________
> Alvaro Gil
> http://www.AlvaroGil.com
> '84 Volvo 242 Turbo (Silver) 15 psi
> '97 Leopard Gecko (White, Yellow, Black)
> NJIT Mechanical Engineering Student
> ____________________________________________
>=20
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