Cisco ASA 5505 NAT+DHCP

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分类： 路由和交换技术

ASA Version 7.2(3)

!

hostname ciscoasa

enable password 8Ry2YjIyt7RRXU24 encrypted

names

interface Vlan1

 no nameif

 no security-level

 no ip address

interface Vlan2

 nameif outside                           对端口命名外端口 

 security-level 0                         设置端口等级

 ip address 218.26.8.99 255.255.255.224       调试外网地址

interface Vlan3

 nameif inside                            对端口命名内端口  

 security-level 100                       调试外网地址

 ip address 192.168.0.1 255.255.255.0     设置端口等级

interface Ethernet0/0

 switchport access vlan 2                 设置端口VLAN与VLAN2绑定

interface Ethernet0/1

 switchport access vlan 3                 设置端口VLAN与VLAN3绑定

interface Ethernet0/2

 shutdown

interface Ethernet0/3

interface Ethernet0/4

interface Ethernet0/5

interface Ethernet0/6

interface Ethernet0/7

passwd 2KFQnbNIdI.2KYOU encrypted

ftp mode passive

dns domain-lookup outside

dns domain-lookup inside

dns server-group DefaultDNS

 name-server 202.99.192.68

 name-server 202.99.192.66

access-list 102 extended permit icmp any any         设置ACL列表（允许ICMP全部通过）

access-list 102 extended permit ip any any           设置ACL列表（允许所有IP全部通过）

pager lines 24

mtu outside 1500

mtu inside 1500

no failover

icmp unreachable rate-limit 1 burst-size 1

no asdm history enable

arp timeout 14400

global (outside) 1 interface                 设置NAT地址映射到外网口

nat (inside) 1 0.0.0.0 0.0.0.0               NAT地址池（所有地址）

access-group 102 in interface outside        设置ACL列表绑定到外端口

route outside 0.0.0.0 0.0.0.0 218.26.8.97 1      设置到外网的默认路由,218.26.8.97为ISP给的网关

timeout xlate 3:00:00

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

timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00

timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00

timeout uauth 0:05:00 absolute

no snmp-server location

no snmp-server contact

snmp-server enable traps snmp authentication linkup linkdown coldstart

telnet 0.0.0.0 0.0.0.0 inside                       设置TELNET所有地址进入

telnet timeout 5

ssh 0.0.0.0 0.0.0.0 outside                         设置SSH所有地址进入

ssh timeout 30

ssh version 2

console timeout 0        

dhcpd address 192.168.0.2-192.168.0.254 inside                  设置DHCP服务器地址池

dhcpd dns 202.99.192.68 202.99.192.66 interface inside          设置DNS服务器到内网端口

dhcpd enable inside                                             设置DHCP应用到内网端口

class-map inspection_default

 match default-inspection-traffic

policy-map type inspect dns preset_dns_map

 parameters

  message-length maximum 512

policy-map global_policy

 class inspection_default

  inspect dns preset_dns_map

  inspect ftp

  inspect h323 h225

  inspect h323 ras

  inspect netbios

  inspect rsh

  inspect rtsp

  inspect skinny

  inspect esmtp

  inspect sqlnet

  inspect sunrpc

  inspect tftp

  inspect sip

  inspect xdmcp

service-policy global_policy global

prompt hostname context

Cryptochecksum:2eee13a7a5b7517539234d1090c04521

: end