Pessoal, bom dia.
Criei as seguintes regras no ip tables, mas gostaria de saber de vocês, se
necessita de mais alguma coisa, ou se esta bom desta maneira.
Desde já agradeço a atenção.

# Generated by iptables-save v1.2.11 on Mon Nov 21 19:36:08 2005
*mangle
:PREROUTING ACCEPT [10841147:2094051733]
:INPUT ACCEPT [10321713:2051635382]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [10120294:1997487730]
:POSTROUTING ACCEPT [10117524:1996938029]
COMMIT
# Completed on Mon Nov 21 19:36:08 2005
# Generated by iptables-save v1.2.11 on Mon Nov 21 19:36:08 2005
*nat
:PREROUTING ACCEPT [315:33059]
:POSTROUTING ACCEPT [22:4848]
:OUTPUT ACCEPT [0:0]
COMMIT
# Completed on Mon Nov 21 19:36:08 2005
# Generated by iptables-save v1.2.11 on Mon Nov 21 19:36:08 2005
*filter
:INPUT DROP [26:3695]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [25925:5235989]
-A INPUT -i lo -j ACCEPT
-A INPUT -i eth1 -j ACCEPT
-A INPUT -d 200.xxx.xxx.xxx -i eth0 -p tcp -m multiport --dports
22,443,5060,4569 -j ACCEPT
-A INPUT -d 200.xxx.xxx.xxx -i eth0 -p udp -m multiport --dports
5060,4569,123 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 0 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 8 -m limit --limit 5/sec -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
COMMIT

Onde o IP 200.xxx.xxx.xxx é o IP do Asterisk.
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