需求说明：公网122.93.43.X:16927 映射 内网 10.100.124.200:80
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定义内网地址
set security nat destination pool srv200-80 address 10.100.124.200/32
定义内网端口号
set security nat destination pool srv200-80 address port 80
定义公网地址+端口
edit security nat destination
set rule-set untrust-trust-set rule un122-srv200-443 match source-address 0.0.0.0/0
set rule-set untrust-trust-set rule un122-srv200-443 match destination-address 122.93.43.X/32
set rule-set untrust-trust-set rule un122-srv200-443 match destination-port 16927 ##公网端口
set rule-set untrust-trust-set rule un122-srv200-443 match protocol tcp
set rule-set untrust-trust-set rule un122-srv200-443 then destination-nat pool srv200-80
定义内网协议+端口
set applications application tcp-80 protocol tcp
set applications application tcp-80 destination-port 80
定义内网地址
set security zones security-zone trust address-book address srv200 10.100.124.200
定义策略
edit security policies from-zone untrust to-zone trust
set policy utot-srv11-3389 match source-address any
set policy utot-srv11-3389 match destination-address srv200
set policy utot-srv11-3389 match application tcp-80 ###### 定义内网真实端口####
set policy utot-srv11-3389 match application junios-http
set policy utot-srv11-3389 then permit