一、Pix-Pix

　　PIX Central

　　Building configuration...

　　: Saved

　　:

　　PIX Version 6.3(3)

　　in terface ethernet0 auto

　　interface ethernet1 auto

　　nameif ethernet0 outside security0

　　nameif ethernet1 inside security100

　　enable password 8Ry2YjIyt7RRXU24 encrypted

　　passwd 2KFQnbNIdI.2KYOU encrypted

　　hostname pix-central

　　fixup protocol dns maximum-length 512

　　fixup protocol ftp 21

　　fixup protocol h323 h225 1720

　　fixup protocol h323 ras 1718-1719

　　fixup protocol http 80

　　fixup protocol rsh 514

　　fixup protocol rtsp 554

　　fixup protocol sip 5060

　　fixup protocol sip udp 5060

　　fixup protocol skinny 2000

　　fixup protocol smtp 25

　　fixup protocol sqlnet 1521

　　fixup protocol tftp 69

　　names

　　!--- This is traffic to PIX 2.

　　access-list 120 permit ip 10.1.1.0 255.255.255.0 10.2.2.0 255.255.255.0

　　!--- This is traffic to PIX 3.

　　access-list 130 permit ip 10.1.1.0 255.255.255.0 10.3.3.0 255.255.255.0

　　!--- Do not do Network Address Translation (NAT) on traffic to other PIXes.

　　access-list 100 permit ip 10.1.1.0 255.255.255.0 10.2.2.0 255.255.255.0

　　access-list 100 permit ip 10.1.1.0 255.255.255.0 10.3.3.0 255.255.255.0

　　pager lines 24

　　logging on

　　mtu outside 1500

　　mtu inside 1500

　　ip address outside 172.18.124.153 255.255.255.0

　　ip address inside 10.1.1.1 255.255.255.0

　　ip audit info action alarm

　　ip audit attack action alarm

　　pdm history enable