一. 創建tomcat證書
使用JDK自帶的keytool工具來生成證書：
1. 打開cmd，啟動keytool
2. 在命令行中輸入以下命令:
keytool -genkeypair -alias "tomcat" -keyalg "RSA" -keystore "c:\tomcat.keystore"
完成后在磁盤生成tomcat.keystore文件
二. 配置tomcat服務器
定位到tomcat服務器的安裝目錄, 找到conf下的server.xml文件
找到如下已經被注釋的代碼：
1 <!--
2 <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true" 3 maxThreads="150" scheme="https" secure="true" 4 clientAuth="false" sslProtocol="TLS" /> 5 -->
去掉注釋，修改為：
1 <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true" 2 maxThreads="150" scheme="https" secure="true" 3 clientAuth="false" sslProtocol="TLS" 4 keystoreFile="c:\tomcat.keystore" 5 keystorePass="123456" />
強制https訪問配置如下：
在 tomcat /conf/web.xml 中的 </welcome-file-list> 后面加上以下內容
<login-config>
<!-- Authorization setting for SSL -->
<auth-method>CLIENT-CERT</auth-method>
<realm-name>Client Cert Users-only Area</realm-name>
</login-config>
<security-constraint>
<!-- Authorization setting for SSL -->
<web-resource-collection >
<web-resource-name >SSL</web-resource-name>
<url-pattern>/*</url-pattern>
</web-resource-collection>
<user-data-constraint>
<transport-guarantee>CONFIDENTIAL</transport-guarantee>
</user-data-constraint>
</security-constraint>
三. 啟動tomcat服務器
在IE瀏覽器中輸入: https://localhost
選擇高級繼續瀏覽此網站
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keytool
Manages a keystore (database) of cryptographic keys, X.509 certificate chains, and trusted certificates.
Description
The keytool command is a key and certificate management utility. It enables users to administer their own public/private key pairs and associated certificates for use in self-authentication (where the user authenticates himself or herself to other users and services) or data integrity and authentication services, using digital signatures. The keytool command also enables users to cache the public keys (in the form of certificates) of their communicating peers.
A certificate is a digitally signed statement from one entity (person, company, and so on.), that says that the public key (and some other information) of some other entity has a particular value. (See Certificate.) When data is digitally signed, the signature can be verified to check the data integrity and authenticity. Integrity means that the data has not been modified or tampered with, and authenticity means the data comes from whoever claims to have created and signed it.
The keytool command also enables users to administer secret keys and passphrases used in symmetric encryption and decryption (DES).
The keytool command stores the keys and certificates in a keystore. See KeyStore aliases.
--https://docs.oracle.com/javase/8/docs/technotes/tools/windows/keytool.html