From owner-freebsd-questions  Wed Mar  8 15:32:30 2000
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Date: Thu, 9 Mar 2000 01:17:39 +0200
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: Rob Carmichael <robc@globalvc.co.uk>
Cc: questions@freebsd.org
Subject: Re: newbie ipfw probs
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In-Reply-To: <3B666137355DD31199B100E018C15EA2087B60@mailgate.globalvc.co.uk>; from robc@globalvc.co.uk on Tue, Mar 07, 2000 at 11:21:17AM -0000
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On Tue, Mar 07, 2000 at 11:21:17AM -0000, Rob Carmichael wrote:
>
> bash-2.03# ipfw show
> ipfw: getsockopt(IP_FW_GET): Protocol not available

You probably forgot to compile ipfw support into your kernel.

Add to your kernel's config the following lines and recompile/reboot:

	options IPFIREWALL		# ipfw-firewall support
	options IPFIREWALL_VERBOSE	# optional
	options IPFIREWALL_FORWARD	# optional
	options IPFIREWALL_VERBOSE_LIMIT=100	# limit verbosity
	options IPFIREWALL_DEFAULT_TO_ACCEPT	# allow everything by default
	options IPDIVERT		# divert sockets (for natd)

Then, you will be able to use ipfw/natd.

- Giorgos


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