![]() ![]() usr/local/labkey/apps/Java/jdk-#.jdk/Contents/Home/bin/keytool For example (where # is the specific version number): The keytool will be in the bin directory. Confirm that your environment variable points to the current supported version of the JDK and not to another JDK or JRE you may have installed previously. Locate the keytool application within your JDK installation. How to get started creating your self-signed certificate: It allows you to use a certificate right away and make sure it works successfully.It allows you to learn to create a keystore and certificate, which is good practice for getting an actual SSL/TLS certificate provided by a Certificate Authority. ![]() The rest of the attributes are not really that important. HOWEVER, when generating the certificate, the keytool will ask for "your first and last name" when asking for the CN, so keep that in mind. Your browser will usually complain if the CN of the certificate and the domain in the URI do not match (but since you’re using a self-signed certificate, your browser will probably complain anyway). The common name (CN) is an attribute of the SSL/TLS certificate.Just remember when you do use it, you stick with it. A lot of examples show "tomcat" as the alias when creating the keystore, but it really doesn’t matter what you call it. It has nothing to do with the server name, or the domain name of the Tomcat service. The alias is simply a "label" used by Java to identify a specific certificate in the keystore (a keystore can hold multiple certificates).Create Special Wildcard and SAN (Subject Alternative Names) Certificates.Review this topic for current JDK version recommendations: Supported Technologies This requires the use of the keytool utility that comes with the Java Development Kit (JDK) or the Java Runtime Environment (JRE). Tomcat uses a Java KeyStore (JKS) repository to hold all of the security certificates and their corresponding private keys. First we cover the process for creating a self-signed certificate and then an actual signed certificate from a Certificate Authority (CA). This topic describes how to create and install an SSL/TLS certificate on a Tomcat server. ![]()
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