asa 5505
1.配置防火墙名 ciscoasa> enable ciscoasa# configure terminal ciscoasa(config)# hostname asa5505 2.配置telnet asa5505(config)#telnet 192.168.1.0 255.255.255.0 inside //允许内部接口192.168.1.0网段telnet防火墙 3.配置密码 asa5505(config)# password cisco //远程密码 asa5505(config)# enable password cisco //特权模式密码 4.配置IP asa5505(config)# interface vlan 2 //进入vlan2 asa5505(config-if)# ip address 218.xxx.37.222 255.255.255.192 //vlan2配置IP asa5505(config)#show ip address vlan2 //验证配置 5.端口加入vlan asa5505(config)# interface e0/3 //进入接口e0/3 asa5505(config-if)# switchport access vlan 3 //接口e0/3加入vlan3 asa5505(config)# interface vlan 3 //进入vlan3 asa5505(config-if)# ip address 10.10.10.36 255.255.255.224 //vlan3配置IP asa5505(config-if)# nameif dmz //vlan3名 asa5505(config-if)# no shutdown //开启 asa5505(config-if)# show switch vlan //验证配置 6.最大传输单元MTU asa5505(config)#mtu inside 1500 //inside最大传输单元1500字节 asa5505(config)#mtu outside 1500 //outside最大传输单元1500字节 asa5505(config)#mtu dmz 1500 //dmz最大传输单元1500字节 7.配置arp表的超时时间 asa5505(config)#arp timeout 14400 //arp表的超时时间14400秒 8.FTP模式 asa5505(config)#ftp mode passive //FTP被动模式 9.配置域名 asa5505(config)#domain-name Cisco.com 10.启动日志 asa5505(config)#logging enable //启动日志 asa5505(config)#logging asdm informational //启动asdm报告日志 asa5505(config)#Show logging //验证配置 11.启用http服务 asa5505(config)#http server enable //启动HTTP server,便于ASDM连接。 asa5505(config)#http 0.0.0.0 0.0.0.0 outside //对外启用ASDM连接 asa5505(config)#http 0.0.0.0 0.0.0.0 inside //对内启用ASDM连接 12.控制列表 access-list acl_out extended permit tcp any any eq www //允许tcp协议80端口入站 access-list acl_out extended permit tcp any any eq https //允许tcp协议443端口入站 access-list acl_out extended permit tcp any host 218.xxx.37.223 eq ftp //允许tcp协议21端口到218.xxx.37.223主机 access-list acl_out extended permit tcp any host 218.xxx.37.224 eq 3389 //允许tcp协议3389端口到218.xxx.37.224主机 access-list acl_out extended permit tcp any host 218.xxx.37.225 eq 1433 //允许tcp协议1433端口到218.xxx.37.225主机 access-list acl_out extended permit tcp any host 218.xxx.37.226 eq 8080 //允许tcp协议8080端口到218.xxx.37.226主机 asa5505(config)#show access-list //验证配置 13.设置路由 asa5505(config)#route dmz 10.0.0.0 255.0.0.0 10.10.10.33 1 //静态路由到10.0.0.0网段经过10.10.10.33网关跳数为1 asa5505(config)#route outside 0.0.0.0 0.0.0.0 218.16.37.193 1 //默认路由到所有网段经过218.xxx.37.193网关跳数为1 asa5505# show route //显示路由信息 14.静态NAT asa5505(config)# static (inside,outside) 218.xxx.37.223 192.168.1.6 netmask 255.255.255.255 //外网218.xxx.37.223映射到内网192.168.1.6 asa5505(config)#access-list acl_out extended permit icmp any any //控制列表名acl_out允许ICMP协议 asa5505(config)#access-group acl_out in interface outside //控制列表acl_out应用到outside接口 asa5505(config)#static (inside,dmz) 10.10.10.37 192.168.1.16 netmask 255.255.255.255 //dmz10.10.10.37映射到内网192.168.1.16 asa5505(config)#access-list acl_dmz extended permit icmp any any //控制列表名acl_dmz允许ICMP协议 asa5505(config)#access-group acl_dmz in interface dmz //控制列表acl_out应用到dmz接口 asa5505(config)#Show nat //验证配置 15.动态NAT asa5505(config)#global(outside) 1 218.201.35.224-218.201.35.226 //定义全局地址池 asa5505(config)#nat(inside) 1 192.168.1.20-192.168.1.22 //内部转换地址池 asa5505(config)# show xlate //验证配置 16.基于端口NAT(PAT) asa5505(config)#global (outside) 2 interface //定义全局地址即outside地址:218.xxx.37.222 asa5505(config)#nat (inside) 2 192.168.1.0 255.255.255.0 //内部转换地址池 asa5505(config)# show xlate //验证配置 17.基于LAN故障倒换(failover) 1).主防火墙配置 asa5505(config)#failover mac addr outside 001a.2b3c.4d11 001a.2b3c.4w12 //故障倒换虚拟MAC地址 asa5505(config)#failover mac addr inside 001a.2b3c.4d21 001a.2b3c.4w22 //故障倒换虚拟MAC地址 asa5505(config)#failover mac addr inside 001a.2b3c.4d21 001a.2b3c.4w32 //故障倒换虚拟MAC地址 asa5505(config)#failover //启动故障倒换 asa5505(config)#failover lan unit primary //设置主要防火墙 asa5505(config)#failover lan interface standby Vlan4 //故障倒换接口名standby asa5505(config)#failover interface ip standby 172.168.32.1 255.255.255.252 standby 172.168.32.2 //配置主防火墙IP:172.168.32.1,备用防火墙IP:172.168.32.2 asa5505# show failover //验证配置 2).备防火墙配置 asa5505(config)#failover mac addr outside 001a.2b3c.4d11 001a.2b3c.4w12 //故障倒换虚拟MAC地址 asa5505(config)#failover mac addr inside 001a.2b3c.4d21 001a.2b3c.4w22 //故障倒换虚拟MAC地址 asa5505(config)#failover mac addr inside 001a.2b3c.4d21 001a.2b3c.4w32 //故障倒换虚拟MAC地址 asa5505(config)#failover //启动故障倒换 asa5505(config)#failover lan unit secondary //设置备用防火墙 asa5505(config)#failover lan interface standby Vlan4 //故障倒换接口名standby asa5505(config)#failover interface ip standby 172.168.32.1 255.255.255.252 standby 172.168.32.2 //配置主防火墙IP:172.168.32.1,备用防火墙IP:172.168.32.2 asa5505# show failover //验证配置 18.显示mac地址 asa5505# show switch mac-address-table 19.保存配置 asa5505# write memory 20.重复PING 1000次 ciscoasa(config)# ping 202.96.133.133 repeat 1000 |
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