新規作成日 | 2001/Jul/20 |
最終変更日 | 2023/Jan/10 |
文書サイズ | 36KB |
[ 目次 ]
ファイアウォール機能のセキュリティレベル7 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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フィルタに関する設定 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ... 入出| # 静的フィルタの定義 ■□| ip filter 200000 reject 10.0.0.0/8 * * * * ■□| ip filter 200001 reject 172.16.0.0/12 * * * * ■□| ip filter 200002 reject 192.168.0.0/16 * * * * ■□| ip filter 200003 reject 192.168.0.0/24 * * * * □■| ip filter 200010 reject * 10.0.0.0/8 * * * □■| ip filter 200011 reject * 172.16.0.0/12 * * * □■| ip filter 200012 reject * 192.168.0.0/16 * * * □■| ip filter 200013 reject * 192.168.0.0/24 * * * ■■| ip filter 200020 reject * * udp,tcp 135 * ■■| ip filter 200021 reject * * udp,tcp * 135 ■■| ip filter 200022 reject * * udp,tcp netbios_ns-netbios_ssn * ■■| ip filter 200023 reject * * udp,tcp * netbios_ns-netbios_ssn ■■| ip filter 200024 reject * * udp,tcp 445 * ■■| ip filter 200025 reject * * udp,tcp * 445 □■| ip filter 200026 restrict * * tcpfin * www,21,nntp □■| ip filter 200027 restrict * * tcprst * www,21,nntp ■□| ip filter 200030 pass * 192.168.0.0/24 icmp * * □□| ip filter 200031 pass * 192.168.0.0/24 established * * ■□| ip filter 200032 pass * 192.168.0.0/24 tcp * ident □□| ip filter 200033 pass * 192.168.0.0/24 tcp ftpdata * □□| ip filter 200034 pass * 192.168.0.0/24 tcp,udp * domain □□| ip filter 200035 pass * 192.168.0.0/24 udp domain * □□| ip filter 200036 pass * 192.168.0.0/24 udp * ntp □□| ip filter 200037 pass * 192.168.0.0/24 udp ntp * □■| ip filter 200099 pass * * * * * | ... 入出| # 動的フィルタの定義 □■| ip filter dynamic 200080 * * ftp □■| ip filter dynamic 200081 * * domain □■| ip filter dynamic 200082 * * www □■| ip filter dynamic 200083 * * smtp □■| ip filter dynamic 200084 * * pop3 □■| ip filter dynamic 200098 * * tcp □■| ip filter dynamic 200099 * * udp | ... | pp select 1 | ... | # 接続先のフィルタの入力(IN)と出力(OUT)の適用 | ip pp secure filter in 200000 200001 200002 200003 200020 200021 200022 200023 200024 200025 200030 200032 | ip pp secure filter out 200010 200011 200012 200013 200020 200021 200022 200023 200024 200025 200026 200027 200099 dynamic 200080 200081 200082 200083 200084 200098 200099 | ... | pp enable 1 | ... | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
フィルタ定義の説明 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
[ 静的フィルタの概要 ]
[ 動的フィルタの概要 ]
[ 入力時に適用されるフィルタの動作 ]
[ 出力時に適用されるフィルタの動作 ]
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PPPoEによる端末型プロバイダ接続設定の例 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
... # 静的フィルタの定義 ip filter 200000 reject 10.0.0.0/8 * * * * ip filter comment 200000 "Ingress/in: Private A" ip filter 200001 reject 172.16.0.0/12 * * * * ip filter comment 200001 "Ingress/in: Private B" ip filter 200002 reject 192.168.0.0/16 * * * * ip filter comment 200002 "Ingress/in: Private C" ip filter 200003 reject 192.168.0.0/24 * * * * ip filter comment 200003 "Ingress/in: LAN1 Primary" ip filter 200010 reject * 10.0.0.0/8 * * * ip filter comment 200010 "Ingress/out: Private A" ip filter 200011 reject * 172.16.0.0/12 * * * ip filter comment 200011 "Ingress/out: Private B" ip filter 200012 reject * 192.168.0.0/16 * * * ip filter comment 200012 "Ingress/out: Private C" ip filter 200013 reject * 192.168.0.0/24 * * * ip filter comment 200013 "Ingress/out: LAN1 Primary" ip filter 200020 reject * * udp,tcp 135 * ip filter comment 200020 "Windows: DCE RPC" ip filter 200021 reject * * udp,tcp * 135 ip filter comment 200021 "Windows: DCE RPC" ip filter 200022 reject * * udp,tcp netbios_ns-netbios_ssn * ip filter comment 200022 "Windows: NetBIOS" ip filter 200023 reject * * udp,tcp * netbios_ns-netbios_ssn ip filter comment 200023 "Windows: NetBIOS" ip filter 200024 reject * * udp,tcp 445 * ip filter comment 200024 "Windows: Direct Hosting SMB" ip filter 200025 reject * * udp,tcp * 445 ip filter comment 200025 "Windows: Direct Hosting SMB" ip filter 200026 restrict * * tcpfin * www,21,nntp ip filter comment 200026 "Netscape: connect on finished" ip filter 200027 restrict * * tcprst * www,21,nntp ip filter comment 200027 "Netscape: connect on finished" ip filter 200030 pass * 192.168.0.0/24 icmp * * ip filter comment 200030 "LAN1 Primary/in: ICMP (ping,traceroute,...)" ip filter 200031 pass * 192.168.0.0/24 established * * ip filter comment 200031 "LAN1 Primary/in: TCP Connection (established)" ip filter 200032 pass * 192.168.0.0/24 tcp * ident ip filter comment 200032 "LAN1 Primary/in: ident for SMTP,... (e-mail)" ip filter 200033 pass * 192.168.0.0/24 tcp ftpdata * ip filter comment 200033 "LAN1 Primary/in: ftp client (PORT)" ip filter 200034 pass * 192.168.0.0/24 tcp,udp * domain ip filter comment 200034 "LAN1 Primary/in: dns server" ip filter 200035 pass * 192.168.0.0/24 udp domain * ip filter comment 200035 "LAN1 Primary/in: dns resolv" ip filter 200036 pass * 192.168.0.0/24 udp * ntp ip filter comment 200036 "LAN1 Primary/in: NTP server" ip filter 200037 pass * 192.168.0.0/24 udp ntp * ip filter comment 200037 "LAN1 Primary/in: NTP client" ip filter 200099 pass * * * * * ip filter comment 200099 "pass all" ... # 動的フィルタの定義 ip filter dynamic 200080 * * ftp ip filter dynamic comment 200080 "FTP connection (tcp)" ip filter dynamic 200081 * * domain ip filter dynamic comment 200081 "DNS resolv,... (tcp,udp)" ip filter dynamic 200082 * * www ip filter dynamic comment 200082 "WWW Browser,... (tcp)" ip filter dynamic 200083 * * smtp ip filter dynamic comment 200083 "SMTP connection (tcp)" ip filter dynamic 200084 * * pop3 ip filter dynamic comment 200084 "POP3 connection (tcp)" ip filter dynamic 200098 * * tcp ip filter dynamic comment 200098 "TCP Connection" ip filter dynamic 200099 * * udp ip filter dynamic comment 200099 "UDP Connection" ... # NATディスクリプタの定義 nat descriptor type 1 masquerade ... # 接続先情報 pp select 1 pp name "PRV/1/1/4:フレッツ・ADSL" pppoe use lan2 pppoe auto disconnect off pppoe disconnect time 60 ip pp secure filter in 200000 200001 200002 200003 200020 200021 200022 200023 200024 200025 200030 200032 ip pp secure filter out 200010 200011 200012 200013 200020 200021 200022 200023 200024 200025 200026 200027 200099 dynamic 200080 200081 200082 200083 200084 200098 200099 ip pp nat descriptor 1 pp auth accept pap chap pp auth myname NetVolante NetVolante ppp lcp mru on 1454 ppp ipcp ipaddress on ppp ipcp msext on ppp ccp type none pp enable 1 ... |