网络安全 频道

pix535实际配置(nat与不做nat)

 实际使用pix两个端口。

  最终目的是:不使用nat让内部网络的地址直接出去,pix内外均为cernet地址。

  配置1中不使用NAT的,内部节点不能通过pix出去

  配置2中使用NAT的,内部节点可以通过pix出去

  两个配置除了NAT以外,都一样。

  请大家帮助检查一下,看看不做nat时,怎样才能做通。谢谢!

  配置1: 没有使用NAT,内部节点不能通过pix出去

  : Saved

  PIX Version 6.1(2)

  nameif gb-ethernet0 outside security0

  nameif gb-ethernet1 inside security100

  nameif ethernet0 intf2 security10

  nameif ethernet1 intf3 security15

  enable password 8Ry2YjIyt7RRXU24 encrypted

  passwd 2KFQnbNIdI.2KYOU encrypted

  hostname pixfirewall

  fixup protocol ftp 21

  fixup protocol http 80

  fixup protocol h323 1720

  fixup protocol rsh 514

  fixup protocol rtsp 554

  fixup protocol smtp 25

  fixup protocol sqlnet 1521

  fixup protocol sip 5060

  fixup protocol skinny 2000

  names

  pager lines 24

  interface gb-ethernet0 1000auto

  interface gb-ethernet1 1000auto

  interface ethernet0 auto shutdown

  interface ethernet1 auto shutdown

  mtu outside 1500

  mtu inside 1500

  mtu intf2 1500

  mtu intf3 1500

  ip address outside 202.*.212.2 255.255.255.0

  ip address inside 202.*.8.2 255.255.255.0

  ip address intf2 127.0.0.1 255.255.255.255

  ip address intf3 127.0.0.1 255.255.255.255

  ip audit info action alarm

  ip audit attack action alarm

  no failover

  failover timeout 0:00:00

  failover poll 15

  failover ip address outside 0.0.0.0

  failover ip address inside 0.0.0.0

  failover ip address intf2 0.0.0.0

  failover ip address intf3 0.0.0.0

  pdm history enable

  arp timeout 14400

  nat (inside) 0 202.*.8.0 255.255.255.0 0 0

  conduit permit icmp any any

  route outside 0.0.0.0 0.0.0.0 202.*.212.1 1

  timeout xlate 3:00:00

  timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h323 0:05:00 si

  p 0:30:00 sip_media 0:02:00

  timeout uauth 0:05:00 absolute

  aaa-server TACACS+ protocol tacacs+

  aaa-server RADIUS protocol radius

  no snmp-server location

  no snmp-server contact

  snmp-server community public

  no snmp-server enable traps

  floodguard enable

  no sysopt route dnat

  telnet timeout 5

  ssh timeout 5

  terminal width 80

  Cryptochecksum:d758aba407c7fb58d24b03da4b6970b4

  配置2: 使用NAT,内部节点可出去。

  : Saved

  PIX Version 6.1(2)

  nameif gb-ethernet0 outside security0

  nameif gb-ethernet1 inside security100

  nameif ethernet0 intf2 security10

  nameif ethernet1 intf3 security15

  enable password 8Ry2YjIyt7RRXU24 encrypted

  passwd 2KFQnbNIdI.2KYOU encrypted

  hostname pixfirewall

  fixup protocol ftp 21

  fixup protocol http 80

  fixup protocol h323 1720

  fixup protocol rsh 514

  fixup protocol rtsp 554

  fixup protocol smtp 25

  fixup protocol sqlnet 1521

  fixup protocol sip 5060

  fixup protocol skinny 2000

  names

  pager lines 24

  interface gb-ethernet0 1000auto

  interface gb-ethernet1 1000auto

  interface ethernet0 auto shutdown

  interface ethernet1 auto shutdown

  mtu outside 1500

  mtu inside 1500

  mtu intf2 1500

  mtu intf3 1500

  ip address outside 202.*.212.2 255.255.255.0

  ip address inside 202.*.8.2 255.255.255.0

  ip address intf2 127.0.0.1 255.255.255.255

  ip address intf3 127.0.0.1 255.255.255.255

  ip audit info action alarm

  ip audit attack action alarm

  no failover

  failover timeout 0:00:00

  failover poll 15

  failover ip address outside 0.0.0.0

  failover ip address inside 0.0.0.0

  failover ip address intf2 0.0.0.0

  failover ip address intf3 0.0.0.0

  pdm history enable

  arp timeout 14400

  global (outside) 1 202.*.212.3-202.*.212.50

  nat (inside) 1 0.0.0.0 0.0.0.0 0 0

  conduit permit icmp any any

  route outside 0.0.0.0 0.0.0.0 202.*.212.1 1

  timeout xlate 3:00:00

  timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h323 0:05:00 si

  p 0:30:00 sip_media 0:02:00

  timeout uauth 0:05:00 absolute

  aaa-server TACACS+ protocol tacacs+

  aaa-server RADIUS protocol radius

  no snmp-server location

  no snmp-server contact

  snmp-server community public

  no snmp-server enable traps

  floodguard enable

  no sysopt route dnat

  telnet timeout 5

  ssh timeout 5

  terminal width 80

  Cryptochecksum:77595ed5d852b9a1dfaf10426af3f516

  : end

  

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