Hairpinning NAT
same-security-traffic permit intra-interface #启用Hairpinning功能,允许流量直接原路径返回。
static (inside,outside) 22.22.22.22 192.168.1.1 netmask 255.255.255.255
static (inside,inside) 22.22.22.22 192.168.1.1 netmask 255.255.255.255 #流量返回路径定义NAT映射
access-list web_in extended permit tcp any host 8.8.8.8 eq 80 #对外发布服务
access-group web_in in interface outside #应用到外部接口