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Be aware that Java typically relies on a blocking PRNG by default, and the IdP may be observed to start up very slowly if there is insufficient entropy available. There are various workarounds or ways to install better sources of entropy by altering jre/lib/security/java.security or using system properties, but they are platform-specific. |
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Deploying the IdP under Java 17 is possible from version 4.1.0 onwards, but requires the installation of an IdP plugin such as Nashorn, see PluginInstallation. This is necessary to compensate for the removal of the JavaScript engine from Java 15+. The requirement for a JavaScript plugin will be removed starting with IdP version 4.2.0, but many deployers will choose to install such a plugin in any case. |
See the SecurityAndNetworking page for introductory help in understanding the use of network ports, keys, and certificates.
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