cisco asa5505防火墻地址映射
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Cisco ASA 5505防火墻地址映射問題:
基本情況
WAN: 221.221.147.195 Gateway: 221.221.147.200 LAN: 192.168.0.1
內網(wǎng)中有一臺服務器,地址: 192.168.0.10 端口: 8089
故障描述: 內網(wǎng)可正常連接至服務器,外網(wǎng)無法連接. 端口映射出現(xiàn)問題.
解決方法: 命令行錯誤, 已更正并解決.
問題重點: 采用"static (inside,outside) 221.221.147.195 192.168.0.10 tcp 8089" 映射.
目前配置如下:
ASA Version 7.2(2)
!
hostname ciscoasa
enable password 8Ry2YjIyt7RRXU24 encrypted
names
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.0.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
ip address 221.221.147.195 255.255.255.252
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
passwd 2KFQnbNIdI.2KYOU encrypted
ftp mode passive
access-list 101 extended permit tcp any host 221.221.147.195 eq 8089
access-list 101 extended permit icmp any any
access-list 101 extended permit tcp any any
access-list 101 extended permit udp any any
pager lines 24
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
global (outside) 1 interface
static (inside,outside) 221.221.147.195 192.168.0.10 netmask 255.255.255.255 tcp 8089 0
access-group 101 in interface outside
route outside 0.0.0.0 0.0.0.0 221.221.147.200 1
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
http server enable
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd auto_config outside
!
!
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 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:30e219cbc04a4c919e7411de55e14a64
: end
ciscoasa(config)#
------------------------------------------------------------
在找尋解決方案過程中,有朋友做了重要提示, 采用: static (inside,outside) int 192.168.0.10 tcp 8089 做映射,但出現(xiàn)警告提示:
WARNING: static redireting all traffics at outside interface;
WARNING: all services terminating at outside interface are disabled.
后來將命令改成: static (inside,outside) 221.221.147.195 192.168.0.10 tcp 8089 問題解決.
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