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# NATディスクリプター機能を効率的に利用する
#

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# LANインターフェースの設定
#（LAN1ポートを使用）
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ip lan1 address 192.168.0.1/24

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# WANインターフェースの設定
#（LAN2ポートを使用）
#
pp select 1
pp always-on on
pppoe use lan2
pp auth accept pap chap
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 ipcp msext on
ip pp mtu 1454
ip pp secure filter in 1020 1030 2000
ip pp secure filter out 1010 1011 1012 1013 1014 1015 3000 dynamic 100 101 102 103 104 105 106 107
ip pp nat descriptor 1
pp enable 1
ip route default gateway pp 1

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# フィルターの設定
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ip filter source-route on
ip filter directed-broadcast on
ip filter 1010 reject * * udp,tcp 135 *
ip filter 1011 reject * * udp,tcp * 135
ip filter 1012 reject * * udp,tcp netbios_ns-netbios_ssn *
ip filter 1013 reject * * udp,tcp * netbios_ns-netbios_ssn
ip filter 1014 reject * * udp,tcp 445 *
ip filter 1015 reject * * udp,tcp * 445
ip filter 1020 reject 192.168.0.0/24 *
ip filter 1030 pass * 192.168.0.0/24 icmp
ip filter 2000 reject * *
ip filter 3000 pass * *
ip filter dynamic 100 * * ftp
ip filter dynamic 101 * * www
ip filter dynamic 102 * * domain
ip filter dynamic 103 * * smtp
ip filter dynamic 104 * * pop3
ip filter dynamic 105 * * submission
ip filter dynamic 106 * * tcp
ip filter dynamic 107 * * udp

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# NATの設定
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nat descriptor type 1 masquerade
nat descriptor timer 1 300
nat descriptor timer 1 tcpfin 10

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# DHCPの設定
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dhcp service server
dhcp server rfc2131 compliant except remain-silent
dhcp scope 1 192.168.0.2-192.168.0.100/24

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# DNSの設定
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dns host lan1
dns server select 1 pp 1 any . restrict pp 1
dns private address spoof on