03/03/15 20:38 nzpsL4hj
##################
#### 目的別チェーンの作成
### chain to LOG ant then DROP
$IPT -N LOG_AND_DROP
$IPT -A LOG_AND_DROP -j LOG --log-level warning --log-prefix "iptables:" #-m limit
$IPT -A LOG_AND_DROP -j DROP
$IPT -A LOG_AND_DROP -j RETURN
#### chain for the packet from WAN
$IPT -N WANIN
#とりあえず問答無用でDROPな奴
$IPT -A WANIN -s 192.168.0.0/16 -j DROP
# 接続が確立しているパケットは許可する( but limit not well-known ports)
$IPT -A WANIN -p tcp --dport 1024: \
-m state --state ESTABLISHED,RELATED -j ACCEPT
$IPT -A WANIN -p udp --dport 1024: \
-m state --state ESTABLISHED,RELATED -j ACCEPT
$IPT -A WANIN -p icmp \
-m state --state ESTABLISHED,RELATED -j ACCEPT
$IPT -A WANIN -j RETURN