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Date:      Thu, 19 Oct 2000 18:57:13 -0700 (PDT)
From:      Archie Cobbs <archie@dellroad.org>
To:        peter@sysadmin-inc.com
Cc:        freebsd-security@FreeBSD.ORG
Subject:   Re: natd/ipfw and mpd-netgraph for VPN question
Message-ID:  <200010200157.e9K1vDD57363@curve.dellroad.org>
In-Reply-To: <000901c0392e$d23150a0$47010a0a@fire.sysadmininc.com> "from Peter Brezny at Oct 18, 2000 02:11:21 pm"

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Peter Brezny writes:
[ Charset ISO-8859-1 unsupported, converting... ]
> suppose i've got two offices at different locations, each with a cable modem
> or other 'fast' access using mpd-netgraph on a 4.1 box to create a vpn
> between them.  each office uses their connection to go to the internet as
> well.
> 
> Now i need to firewall each connection to the internet.  Will natd/ipfw be
> able to play nice with mpd-netgraph?
> 
> the natd man page says that
> 
> options IPFIREWALL
> options IPDIVERT
> 
> must be compiled into the kernel however just the line
> 
> firewall_enable="YES"
> 
> aparently starts a kernel module for ipfw...is that line in rc.conf enough
> or does natd really require a recompiled kernel?
> 
> and finally, would i be better off with a package like SOCKS5 instead of
> natd/ipfw and would it get along as well with mpd-netgraph?

Should work fine.. just make sure you allow TCP port 1723 and
IP proto #47 to reach mpd.

-Archie

___________________________________________________________________________
Archie Cobbs    *    Packet Design, Inc.   *    http://www.packetdesign.com


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