vim Tomcat/webapps/manager/META-INF/context.xml
注释Value节点
<!--
<Valve className="org.apache.catalina.valves.RemoteAddrValve"
allow="127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1|\d+\.\d+\.\d+\.\d+" />
-->
原文：http://www.cnblogs.com/yangxuming/p/6349405.html