1、配置要求
1）的E0/2接口为TRUST区域，是：192.168.254.1/29；
2）的E1/2接口为UNTRUST区域，是：202.111.0.1/27；
3）内网服务器对外网做一对一的，192.168.254.2、192.168.254.3分别映射为202.111.0.2、202.111.0.3；
4）内网服务器访问外网不做限制，外网访问内网只放通公网地址211.101.5.49访问192.168.254.2的和192.168.254.3的。
2、的配置脚本如下
<H3CF100A>dis cur
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sysname H3CF100A
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super password level 3 cipher 6aQ>Q57-$.I)0;4:\(I41!!!
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firewall packet-filter enable
firewall packet-filter default permit
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insulate
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nat static inside ip 192.168.254.2 global ip 202.111.0.2
nat static inside ip 192.168.254.3 global ip 202.111.0.3
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firewall statistic system enable
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radius scheme system
server-type extended
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domain system
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local-user net1980
password cipher ######
service-type telnet
level 2
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aspf-policy 1
detect h323
detect sqlnet
detect rtsp
detect http
detect smtp
detect ftp
detect tcp
detect udp
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object address 192.168.254.2/32 192.168.254.2 255.255.255.255
object address 192.168.254.3/32 192.168.254.3 255.255.255.255
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acl number 3001
description out-inside
rule 1 permit tcp source 211.101.5.49 0 destination 192.168.254.2 0 destination-port eq 1433
rule 2 permit tcp source 211.101.5.49 0 destination 192.168.254.3 0 destination-port eq www
rule 1000 deny ip
acl number 3002
description inside-to-outside
rule 1 permit ip source 192.168.254.2 0
rule 2 permit ip source 192.168.254.3 0
rule 1000 deny ip
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interface Aux0
async mode flow
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interface Ethernet0/0
shutdown
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interface Ethernet0/1
shutdown
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interface Ethernet0/2
speed 100
duplex full
description to server
ip address 192.168.254.1 255.255.255.248
firewall packet-filter 3002 inbound
firewall aspf 1 outbound
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interface Ethernet0/3
shutdown
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interface Ethernet1/0
shutdown
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interface Ethernet1/1
shutdown
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interface Ethernet1/2
speed 100
duplex full
description to internet
ip address 202.111.0.1 255.255.255.224
firewall packet-filter 3001 inbound
firewall aspf 1 outbound
nat outbound static
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interface NULL0
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firewall zone local
set priority 100
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firewall zone trust
add interface Ethernet0/2
set priority 85
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firewall zone untrust
add interface Ethernet1/2
set priority 5
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firewall zone DMZ
add interface Ethernet0/3
set priority 50
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firewall interzone local trust
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firewall interzone local untrust
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firewall interzone local DMZ
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firewall interzone trust untrust
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firewall interzone trust DMZ
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firewall interzone DMZ untrust
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ip route-static 0.0.0.0 0.0.0.0 202.111.0.30 preference 60
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user-interface con 0
user-interface aux 0
user-interface vty 0 4
authentication-mode scheme