Setting SSL (Secure Socket Layer) inwards Tomcat is frequently a requirement, peculiarly piece developing secure spider web application, which requires access over https protocol. Since Tomcat spider web server doesn't render SSL settings past times default, you lot necessitate to know how to configure SSL inwards tomcat, in addition to fifty-fifty worse it varies betwixt unlike tomcat versions. for Example SSL setup which industrial plant on tomcat 6, doesn't piece of job equally it is inwards tomcat 7. In this article nosotros volition see, how to configure tomcat for https inwards both tomcat half dozen in addition to 7. For those programmers who are non really familiar amongst SSL in addition to https hither is a quick overview of SSL, certificates in addition to https, and I advise reading that article to acquire amend agreement of How SSL industrial plant in addition to How websites are accessed safety over internet.
Once nosotros know ,what is SSL, https in addition to Certificates nosotros are arrive at to setup SSL in addition to https inwards tomcat spider web server. As I explained you lot necessitate to conduct keep roughly certificate (inside keystore) inwards tomcat/conf folder which tomcat volition present, when a connector is made via https. If you lot move Spring safety you lot tin move roughly of exam certificates acquaint inwards at that spot sample applications otherwise you lot necessitate to generate past times yourselves. You tin asking certificates from your windows back upwards squad or past times using tools similar IBM IkeyMan and keytool command to put them into truststore in addition to keystore.
Once you lot conduct keep certificate ready, Open your server.xml from tomcat/conf folder in addition to search for Connector which defines https, it may endure commented ,better await for this string "Define a SSL HTTP/1.1 Connector on port 8443". Once constitute supplant amongst next setup which is unlike for tomcat half dozen in addition to tomcat 7
SSL Configuration for Tomcat half dozen :
<Connector protocol="org.apache.coyote.http11.Http11Protocol"
port="8443" minSpareThreads="5" maxSpareThreads="75"
enableLookups="true" disableUploadTimout="true"
acceptCount="100" maxThreads="200"
scheme="https" secure="true" SSLEnabled="true"
clientAuth="false" sslProtocol="TLS"
keystoreFile="${catalina.home}/conf/server.jks"
keystoreType="JKS" keystorePass="changeit" />
You also necessitate to brand ane to a greater extent than configuration alter for setting upwards SSLEngine="off" from "on" similar inwards below text:
<Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="off" />
Look for this String on top of Server.xml
SSL Configuration for Tomcat 7
SSL Setup inwards Tomcat7 is relatively tardily equally compared to Tomcat7, equally you lot exclusively necessitate to brand ane configuration alter for replacing SSL Connector amongst next settings :
<Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
maxThreads="150" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS"
keystoreFile="${catalina.home}/conf/server.jks"
keystoreType="JKS" keystorePass="changeit" />
Settings which may vary if you lot setup your ain certificate is keystorFile which points to a keystore, which stores certificates, keyStoreType I am using "jks", which stands for “Java Key Store” in addition to keystorepass, which is password for opening key shop file. That's it instantly your tomcat half dozen or tomcat vii is arrive at to server https client. Though you lot may necessitate to configure https for your spider web application ,if you lot non done already.
How to configure Java spider web application for https
If you lot desire your J2EE spider web application to endure accessed over SSL using https protocol, you lot tin include next settings inwards application's web.xml :
<security-constraint>
<web-resource-collection>
<web-resource-name>HelloSSL</web-resource-name>
<url-pattern>/*</url-pattern>
</web-resource-collection>
<user-data-constraint>
<transport-guarantee>CONFIDENTIAL</transport-guarantee>
</user-data-constraint>
</security-constraint>
This Security setting volition enable HTTPS for all URL directed your application. you lot tin also selective enable https settings for roughly URL past times tweaking URL pattern. Since SSL requires encryption in addition to decryption it can growth reply fourth dimension in addition to if you lot non serving sensitive information than you lot exclusively conduct keep SSL enable for login or whatsoever detail URL which requires sensitive data.
Further Learning
Spring Framework 5: Beginner to Guru
Java Web Fundamentals By Kevin Jones
JSP, Servlets in addition to JDBC for Beginners: Build a Database App
P.S. - If you lot are an experienced Java/JEE Program in addition to desire to larn Spring Security end-to-end, I recommend Learn Spring Security course of report past times Eugen Paraschiv, The definitive guide to secure your Java application. It's useful for both junior in addition to experienced Java Web developers.
He is also writer of REST amongst Spring course, ane of the best online course of report to larn RESTful WebServices using Spring framework.
P.S - If you lot similar to larn from book, thence Pro Spring Security past times Carlo Scarioni is a expert starting point. The content is non advanced plenty for senior developers simply for junior in addition to intermediate programmer, it's a groovy book.