网络安全 频道

一个很全的关于PIX的配置及注解

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  PIX Version 6.3(1)

  interface ethernet0 auto 设定端口0 速率为自动

  interface ethernet1 100full 设定端口1 速率为100兆全双工

  interface ethernet2 auto 设定端口2 速率为自动

  nameif ethernet0 outside security0 设定端口0 名称为 outside 安全级别为0

  nameif ethernet1 inside security100 设定端口1 名称为 inside 安全级别为100

  nameif ethernet2 dmz security50 设定端口2 名称为 dmz 安全级别为50

  enable password Dv0yXUGPM3Xt7xVs encrypted 特权密码

  passwd 2KFQnbNIdI.2KYOU encrypted 登陆密码

  hostname hhyy 设定防火墙名称

  fixup protocol ftp 21

  fixup protocol h323 h225 1720

  fixup protocol h323 ras 1718-1719

  fixup protocol http 80

  fixup protocol ils 389

  fixup protocol rsh 514

  fixup protocol rtsp 554

  fixup protocol sip 5060

  fixup protocol sip udp 5060

  no fixup protocol skinny 2000

  fixup protocol smtp 25

  fixup protocol sqlnet 1521

  允许用户查看、改变、启用或禁止一个服务或协议通过PIX防火墙,防火墙默认启用了一些常见的端口,但对于ORACLE等专有端口,需要专门启用。

  names

  access-list 101 permit ip 192.168.99.0 255.255.255.0 192.168.170.0 255.255.255.0

  access-list 101 permit ip 192.168.12.0 255.255.255.0 192.168.180.0 255.255.255.0

  access-list 101 permit ip 192.168.23.0 255.255.255.0 192.168.180.0 255.255.255.0

  access-list 101 permit ip 192.168.99.0 255.255.255.0 192.168.101.0 255.255.255.0

  建立访问列表,允许特定网段的地址访问某些网段

  access-list 120 deny icmp 192.168.2.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.3.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.4.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.5.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.6.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.7.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.8.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.9.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.10.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.11.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.12.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.13.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.14.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.15.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.16.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.17.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.18.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.19.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.20.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.21.0 255.255.255.0 any

  access-list 120 deny icmp 192.168.22.0 255.255.255.0 any

  access-list 120 deny udp any any eq netbios-ns

  access-list 120 deny udp any any eq netbios-dgm

  access-list 120 deny udp any any eq 4444

  access-list 120 deny udp any any eq 1205

  access-list 120 deny udp any any eq 1209

  access-list 120 deny tcp any any eq 445

  access-list 120 deny tcp any any range 135 netbios-ssn

  access-list 120 permit ip any any

  建立访问列表120防止各个不同网段之间的ICMP发包及拒绝135、137等端口之间的通信(主要防止冲击波病毒)

  access-list 110 permit ip 192.168.99.0 255.255.255.0 192.168.101.0 255.255.255.0

  pager lines 24

  logging on

  logging monitor debugging

  logging buffered debugging

  logging trap notifications

  mtu outside 1500

  mtu inside 1500

  mtu dmz 1500

  ip address outside 10.1.1.4 255.255.255.224 设定外端口地址

  ip address inside 192.168.1.254 255.255.255.0 设定内端口地址

  ip address dmz 192.168.19.1 255.255.255.0 设定DMZ端口地址

  ip audit info action alarm

  ip audit attack action alarm

  ip local pool hhyy 192.168.170.1-192.168.170.254

  建立名称为hhyy的地址池,起始地址段为:192.168.170.1-192.168.170.254

  ip local pool yy 192.168.180.1-192.168.180.254

  建立名称为yy 的地址池,起始地址段为:192.168.180.1-192.168.180.254

  no failover

  failover timeout 0:00:00

  failover poll 15

  no failover ip address outside

  no failover ip address inside

  no failover ip address dmz

  no pdm history enable

  arp timeout 14400

  不支持故障切换

  global (outside) 1 10.1.1.13-10.1.1.28

  global (outside) 1 10.1.1.7-10.1.1.9

  global (outside) 1 10.1.1.10

  定义内部网络地址将要翻译成的全局地址或地址范围

  nat (inside) 0 access-list 101

  使得符合访问列表为101地址不通过翻译,对外部网络是可见的

  nat (inside) 1 192.168.0.0 255.255.0.0 0 0

  内部网络地址翻译成外部地址

  nat (dmz) 1 192.168.0.0 255.255.0.0 0 0

  DMZ区网络地址翻译成外部地址

  static (inside,outside) 10.1.1.5 192.168.12.100 netmask 255.255.255.255 0 0

  static (inside,outside) 10.1.1.12 192.168.12.158 netmask 255.255.255.255 0 0

  static (inside,outside) 10.1.1.3 192.168.2.4 netmask 255.255.255.255 0 0

  设定固定主机与外网固定IP之间的一对一静态转换

  static (dmz,outside) 10.1.1.2 192.168.19.2 netmask 255.255.255.255 0 0

  设定DMZ区固定主机与外网固定IP之间的一对一静态转换

  static (inside,dmz) 192.168.0.0 192.168.0.0 netmask 255.255.0.0 0 0

  设定内网固定主机与DMZ IP之间的一对一静态转换

  static (dmz,outside) 10.1.1.29 192.168.19.3 netmask 255.255.255.255 0 0

  设定DMZ区固定主机与外网固定IP之间的一对一静态转换

  access-group 120 in interface outside

  access-group 120 in interface inside

  access-group 120 in interface dmz

  将访问列表应用于端口

  conduit permit tcp host 10.1.1.2 any

  conduit permit tcp host 10.1.1.3 any

  conduit permit tcp host 10.1.1.12 any

  conduit permit tcp host 10.1.1.29 any

  设置管道:允许任何地址对全局地址进行TCP协议的访问

  conduit permit icmp 192.168.99.0 255.255.255.0 any

  设置管道:允许任何地址对192.168.99.0 255.255.255.0地址进行PING测试

  rip outside passive version 2

  rip inside passive version 2

  route outside 0.0.0.0 0.0.0.0 10.1.1.1

  设定默认路由到电信端

  route inside 192.168.2.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.3.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.4.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.5.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.6.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.7.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.8.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.9.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.10.0 255.255.255.0 192.168.1.1 1

  route inside 192.168.11.0 255.255.255.0 192.168.1.1 1

  设定路由回指到内部的子网

  timeout xlate 3:00:00

  timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225

  1:00:00

  timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00

  timeout uauth 0:05:00 absolute

  aaa-server TACACS+ protocol tacacs+

  aaa-server RADIUS protocol radius

  aaa-server LOCAL protocol local

  no snmp-server location

  no snmp-server contact

  snmp-server community public

  no snmp-server enable traps

  floodguard enable

  sysopt connection permit-ipsec

  sysopt connection permit-pptp

  service resetinbound

  service resetoutside

  crypto ipsec transform-set myset esp-des esp-md5-hmac

  定义一个名称为myset的交换集

  crypto dynamic-map dynmap 10 set transform-set myset

  根据myset交换集产生名称为dynmap的动态加密图集(可选)

  crypto map vpn 10 ipsec-isakmp dynamic dynmap

  将dynmap动态加密图集应用为IPSEC的策略模板(可选)

  crypto map vpn 20 ipsec-isakmp

  用IKE来建立IPSEC安全关联以保护由该加密条目指定的数据流

  crypto map vpn 20 match address 110

  为加密图指定列表110作为可匹配的列表

  crypto map vpn 20 set peer 10.1.1.41

  在加密图条目中指定IPSEC对等体

  crypto map vpn 20 set transform-set myset

  指定myset交换集可以被用于加密条目

  crypto map vpn client configuration address initiate

  指示PIX防火墙试图为每个对等体设置IP地址

  crypto map vpn client configuration address respond

  指示PIX防火墙接受来自任何请求对等体的IP地址请求

  crypto map vpn interface outside

  将加密图应用到外部接口

  isakmp enable outside

  在外部接口启用IKE协商

  isakmp key ******** address 10.1.1.41 netmask 255.255.255.255

  指定预共享密钥和远端对等体的地址

  isakmp identity address

  IKE身份设置成接口的IP地址

  isakmp client configuration address-pool local yy outside

  isakmp policy 10 authentication pre-share

  指定预共享密钥作为认证手段

  isakmp policy 10 encryption des

  指定56位DES作为将被用于IKE策略的加密算法

  isakmp policy 10 hash md5

  指定MD5 (HMAC变种)作为将被用于IKE策略的散列算法

  isakmp policy 10 group 2

  指定1024比特Diffie-Hellman组将被用于IKE策略

  isakmp policy 10 lifetime 86400

  每个安全关联的生存周期为86400秒(一天)

  vpngroup cisco idle-time 1800

  vpngroup pix_vpn address-pool yy

  vpngroup pix_vpn idle-time 1800

  vpngroup pix_vpn password ********

  vpngroup 123 address-pool yy

  vpngroup 123 idle-time 1800

  vpngroup 123 password ********

  vpngroup 456 address-pool yy

  vpngroup 456 idle-time 1800

  vpngroup 456 password ********

  telnet 192.168.88.144 255.255.255.255 inside

  telnet 192.168.88.154 255.255.255.255 inside

  telnet timeout 5

  ssh timeout 5

  console timeout 0

  vpdn group 1 accept dialin pptp

  vpdn group 1 ppp authentication pap

  vpdn group 1 ppp authentication chap

  vpdn group 1 ppp authentication mschap

  vpdn group 1 ppp encryption mppe 40

  vpdn group 1 client configuration address local hhyy

  vpdn group 1 pptp echo 60

  vpdn group 1 client authentication local

  vpdn username cisco password *********

  vpdn enable outside

  username cisco password 3USUcOPFUiMCO4Jk encrypted privilege 2

  vpnclient vpngroup cisco_vpn password ********

  vpnclient username pix password ********

  terminal width 80

  Cryptochecksum:9524a589b608c79d50f7c302b81bdfa4b

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