# [java]tomcat如何關閉TLS1.0 ###### tags: `Java` `Tomcat` 1. 開tomcat的server.xml 2. 找到 ```xml <Connector port="8443" protocol="org.apache.coyote.http11.Http11Protocol" maxThreads="150" SSLEnabled="true" scheme="https" secure="true" clientAuth="false" sslProtocol="TLS" /> ``` 3. 在裡面加一個屬性，限定只有TLS1.2和1.1 `sslEnabledProtocols="TLSv1.2,TLSv.1.1"`