From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Dominic Caputo" <jec6jec6@gmail.com>
Subject: Accept DNS Suffix
Date: Tue, 20 Mar 2007 11:08:50 +1100
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I currently have an ISP that has multiple address ranges that I wish to 
accept in my iptables ruleset. Is it possible for me to use the DNS Suffix 
instead of the actual ip as they are currently dynamically assigned. e.g. 
iptables -s nsw.bigpond.net.au   (current assigned address is 
cpe-203-45-103-100.nsw.bigpond.net.au).

Alternatively if the above is not available would I be able to setup a 
dyndns account and get my dsl modem to update the account and within my 
iptables config set: iptables -s homegw.dynalias.com

Thanks

Dominic