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#  インターネットと社内LANへ通信できる端末を制限 : ファイアウォール コマンド設定例
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# 経路設定
ip route default gateway pp 1

# ポート分離機能の設定
lan type lan1 port-based-option=split-into-123:4

# LAインターフェースの設定
ip lan1 address 172.16.1.254/24

# WANインターフェース（ISP）の設定
pp select 1
 pp always-on on
 pppoe use lan2
 pp auth accept chap pap
 pp auth myname  [ISPに接続するID] [ISPに接続するパスワード]
 ppp lcp mru on 1454
 ppp ipcp ipaddress on
 ppp ccp type none
 ip pp mtu 1454
 ip pp inbound filter list 1001 1002 1003 1004 1005 1006 1007 1099
 ip pp nat descriptor 1
pp enable 1

# NATの設定
nat descriptor type 1 masquerade
nat descriptor address outer 1 ipcp
nat descriptor address inner 1 172.16.1.150

# フィルターの設定
ip inbound filter 1001 reject-nolog * * tcp,udp * 135
ip inbound filter 1002 reject-nolog * * tcp,udp 135 *
ip inbound filter 1003 reject-nolog * * tcp,udp * netbios_ns-netbios_ssn
ip inbound filter 1004 reject-nolog * * tcp,udp netbios_ns-netbios_ssn *
ip inbound filter 1005 reject-nolog * * tcp,udp * 445
ip inbound filter 1006 reject-nolog * * tcp,udp 445 *
ip inbound filter 1007 reject-nolog 172.16.1.0/24 * * * *
ip inbound filter 1099 pass-nolog * * * * *
ip policy interface group 101 name=Private local lan1
ip policy address group 101 name=Private 172.16.1.0/24
ip policy address group 102 name=Any *
ip policy service group 101 name="Open Services"
ip policy service group 102 name=General dns
ip policy service group 103 name=Mail pop3 smtp
ip policy filter 1100 reject-nolog lan1 * * * *
ip policy filter 1110 pass-nolog * * * * 102
ip policy filter 1122 static-pass-nolog * lan1 * * *
ip policy filter 1123 static-pass-nolog * local * * *
ip policy filter 1124 static-pass-log * * 172.16.1.0/24 * http
ip policy filter 1150 pass-nolog * pp1 * * *
ip policy filter 1500 reject-nolog pp* * * * *
ip policy filter 1520 pass-log * lan1 * * 101
ip policy filter 1700 pass-nolog local * * * *
ip policy filter 1710 static-pass-nolog * lan1 * * *
ip policy filter 3000 reject-nolog * * * * *
ip policy filter set 101 name="Internet Access" 1100 [1110 1123 [1124] 1122 1150] 1500 [1520] 1700 [1710] 3000
ip policy filter set enable 101

# DHCPの設定
dhcp service server
dhcp server rfc2131 compliant except remain-silent
dhcp scope 1 172.16.1.1-172.16.1.100/24

# DNSの設定
dns server [DNSサーバーのアドレス]