【Ubuntu16]】ufw

Usage: ufw COMMAND

Commands:
 enable                          enables the firewall     开启ufw防火墙
 disable                         disables the firewall    禁用防火墙
 default ARG                     set default policy    设置默认的策略
 logging LEVEL                   set logging to LEVEL    记录级别
 allow ARGS                      add allow rule        添加允许的规则  eg : ufw allow ssh
 deny ARGS                       add deny rule        添加禁止的规则  eg : ufw deny
 reject ARGS                     add reject rule    添加拒绝的规则    eg : ufw reject mysql
 limit ARGS                      add limit rule        添加限制的规则
 delete RULE|NUM                 delete RULE
 insert NUM RULE                 insert RULE at NUM
 route RULE                      add route RULE
 route delete RULE|NUM           delete route RULE
 route insert NUM RULE           insert route RULE at NUM
 reload                          reload firewall    重新加载防火墙（不清除规则）
 reset                           reset firewall        重置防火墙 （清除规则）
 status                          show firewall status    防火墙规则列表
 status numbered                 show firewall status as numbered list of RULES #按序号列出规则
 status verbose                  show verbose firewall status
 show ARG                        show firewall report    状态报告
 version                         display version information 展示状态信息

Application profile commands:
 app list                        list application profiles
 app info PROFILE                show information on PROFILE
 app update PROFILE              update PROFILE
 app default ARG                 set default application policy