服务器关闭不必要的服务和端口，如：Print Spooler、Server、TCP/IP NetBIOS Helper、135、445,139端口

高危端口关闭

21,22,23,25,53,69,110,135,139,143,161,389,445,873,1025,111,1433,1158,1521,3306,3389,3690,5432,5900,5901,6379,7001,7002,9000,9043,9200,9300,27017,27018,28017,50060,50070,50030,1099,2049,2181,2222,2375,2379,2888,3128,4000,4040,4848,4899,5000,5005,5601,5631,5632,5984,6123,7051,7077,7180,7182,7848,8019,8020,8042,8048,8051,8069,8080,8081,8083,8086,8088,8161,8443,8649,8848,8880,8888,9001,9042,9083,9092,9100,9990,10000,11000,11111,11211,18080,19888,20880,25000,25010,50000,50090,60000,60010,60030