iptables でトラフィック取得

/etc/sysconfig/iptables にこんな感じで書いといて…。

# Firewall configuration written by system-config-securitylevel
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -p 50 -j ACCEPT
-A RH-Firewall-1-INPUT -p 51 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited

:traffic-counter
-A OUTPUT -o eth0 -s <IPアドレス> -j traffic-counter
-A <serviceCode> -p tcp -m tcp --sport 80 -j ACCEPT
-A <serviceCode> -p tcp -m tcp --sport 443 -j ACCEPT
-A <serviceCode> -p tcp -m tcp --sport 25 -j ACCEPT
COMMIT

カウンタ値を参照するには…。

[root@ipfw0 ~]# iptables -L traffic-counter -vx

でおｋ。