From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Moti Levy" <moti@flncs.com>
Subject: Can anyone please review the following rules and comment on them ?
Date: Wed, 30 Apr 2003 12:23:03 -0400
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Thanks ,
Moti



iptables -t nat -A PREROUTING -d $EXTIP -p TCP -m multiport \
   --dport 25,80,110,443 -j DNAT --to $SRV_IP

 iptables -t nat -A POSTROUTING -o $EXTIF -s $LAN -j MASQUERADE
# --------------------------------------------------------------------------
--
  iptables -A INPUT -i $EXTIF -p udp -m udp -s 0/0 --sport 67:68 -j ACCEPT
  iptables -A INPUT -i $EXTIF -m state --state RELATED,ESTABLISHED -j ACCEPT

  iptables -A INPUT -i $EXTIF -p udp -m udp -s 0/0 --sport 500 -j ACCEPT
  iptables -A INPUT -i $EXTIF -p 50 -s 0/0 -j ACCEPT
  iptables -A INPUT -i $EXTIF -p 51 -s 0/0 -j ACCEPT

  iptables -A INPUT -i $EXTIF -p tcp -d $EXTIP -m multiport \
           --dport 22,25,80,110,443,8080 -j ACCEPT

  iptables -A INPUT -i $EXTIF -p ICMP -s 0/0 --icmp-type 8 -j ACCEPT
  iptables -A INPUT -i $EXTIF -p ICMP -s 0/0 --icmp-type 11 -j ACCEPT
  iptables -A INPUT -i $EXTIF -m limit --limit 5/minute -j LOG --log-prefix
"IPT->"
  iptables -A INPUT -i $EXTIF -j DROP