發一個cisco asa5505 nat上網的基本配置.
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ASA Version 7.2(2)
!
hostname ASA5505
enable password STypWFenN9FPWnMW
names
!
interface Vlan1 //默認vlan
no nameif
security-level 100
ip address 192.168.1.1 255.255.255.0
!
interface Vlan2 //內網192.168.5.0/24
nameif inside
security-level 0
ip address 192.168.5.1 255.255.255.0
!
interface Vlan3 //外網
nameif outside
security-level 0
ip address 10.156.20.132 255.255.255.240
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
switchport access vlan 3
!
interface Ethernet0/2
switchport access vlan 2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
passwd Q0j7JX5x9Y4w16J6 encrypted
ftp mode passive
same-security-traffic permit inter-interface
access-list 101 extended permit ip 192.168.5.0 0.0.0.255 any //匹配192.168.5.0/25這個網段到any
access-list 101 extended permit icmp any any //匹配icmp,any to any
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-522.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface //全局轉換地址outside
nat (inside) 1 0.0.0.0 0.0.0.0 //轉換全部inside地址
access-group 101 in interface inside //將ACL101應用到inside區域
route outside 0.0.0.0 0.0.0.0 10.156.20.129 1 //默認路由
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
username admin-fir password 2RjJaGjOpINC.T4R encrypted privilege 15
http server enable
no snmp-server location
no snmp-server
snmp-server enable traps snmp authentication linkup linkdown coldstart
no service password-recovery
telnet 0.0.0.0 0.0.0.0 inside //允許inside區域any telnet
telnet timeout 60
ssh 0.0.0.0 0.0.0.0 inside
ssh timeout 5
console timeout 0
dhcpd auto_config outside
!
dhcpd address 192.168.5.10-192.168.5.100 inside //dhcp服務配置
dhcpd dns 202.96.209.5 210.22.70.3 interface inside
dhcpd enable inside
!
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
message-length maximum 51
policy-map global_policy
class inspection_default
inspect dns preset_dns_map
inspect ftp
inspect h323 h225
inspect h323 ras
inspect rsh
inspect rtsp
inspect esmtp
inspect sqlnet
inspect skinny
inspect sunrpc
inspect xdmcp
inspect sip
inspect netbios
inspect tftp
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:a25cde3f4cffdd2c71caacbc20c80e79
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