Re: ipfilter og ftp

From: Christian Dueholm Christensen (none@chch--freesbee.wheel.dk.lh.bsd-dk.dk)
Date: Fri 13 Sep 2002 - 15:52:38 CEST

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Date: Fri, 13 Sep 2002 15:52:38 +0200 (CEST)
From: Christian Dueholm Christensen <none@chch--freesbee.wheel.dk.lh.bsd-dk.dk>
To: bsd-dk <none@bsd-dk--bsd-dk.dk.lh.bsd-dk.dk>
Subject: Re: ipfilter og ftp

On Fri, 13 Sep 2002, Claus Guttesen wrote:

> Hej.
>
> Jeg har installeret FreeBSD 4.6.2 og cvsup'et den til
> seneste 4.7-pre fra i mandags.
>
> Så starter jeg ipfilter, ipnat samt ipmon.
>

ftp er noget rod at åbne for i en firewall, men du kan få ipnat til at
lave en ftp proxy for dig på følgende måde:

map $EXT_INT $INT_NET -> $EXT_ADDR proxy port 21 ftp/tcp

Det kører fuldstændigt transparent.

-- Christian D. Christensen

"Do not meddle in the affairs of sysadmins, for you are crunchy and taste good with ketchup."

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