Date: Sat, 29 Dec 2001 10:08:14 +1300 From: Jonathan Chen <jonc@chen.org.nz> To: Joe & Fhe Barbish <barbish@a1poweruser.com> Cc: FBSD Questions <questions@FreeBSD.ORG> Subject: Re: avoid ping Message-ID: <20011229100814.A24652@grimoire.chen.org.nz> In-Reply-To: <LPBBIGIAAKKEOEJOLEGOOEKACKAA.barbish@a1poweruser.com>; from barbish@a1poweruser.com on Fri, Dec 28, 2001 at 01:10:21PM -0500 References: <20011221010222.R374-100000@catalyst.sasknow.net> <LPBBIGIAAKKEOEJOLEGOOEKACKAA.barbish@a1poweruser.com>
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On Fri, Dec 28, 2001 at 01:10:21PM -0500, Joe & Fhe Barbish wrote:
> You responded
> ipfw add 400 deny icmp from any to ${you} icmptype 8
> Where ${you} is the public IP address of your machine, or network
> address of your subnet.
>
> I respond.
> ${you} is the static IP address issued by your ISP. How do I get
> this value if my ISP does dynamic IP assignments?
You could write it like this:
ipfw add 400 deny icmp from any to me icmptype 8 via ${IF}
where ${IF} is the interface involved (eg: xl0, fxp0, etc).
Cheers.
--
Jonathan Chen <jonc@chen.org.nz>
----------------------------------------------------------------------
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