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Date:      Mon, 10 Dec 2001 23:14:08 +0000
From:      Mike D <d01f1n@yahoo.com>
To:        freebsd-security@FreeBSD.ORG
Subject:   Re: ICMP from within only
Message-ID:  <20011210231442.DTMS3849.mta06-svc.ntlworld.com@there>
In-Reply-To: <Pine.BSF.4.33.0112100100570.32121-100000@mail.af-inet.net>
References:  <Pine.BSF.4.33.0112100100570.32121-100000@mail.af-inet.net>

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> Allows YOU to ping, and run traceroute.
> $fwcmd add <number> allow icmp from any to <IP> via <device> icmptypes
> 0,3,11
>
> Denies others to ping you.
> $fwcmd add <number> deny icmp from any to <IP> via <device> icmptypes 0,8
>
> Allows pinging etc, from your personal network.
> $fwcmd add <number> allow icmp from <internal network> to <internal IP> via
> <device> icmptypes 0,8

the problem is that I have a dynamically assigned IP address, what could you 
suggest for this? Shall I just do the rule for 123.123.*? (123.123 being the 
first 2 numbers of the DHCP range)

Thanks again in advance!

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