[ https://issues.apache.org/jira/browse/SPARK-36988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-36988. ---------------------------------- Resolution: Invalid > What ciphers spark support for internode communication? > ------------------------------------------------------- > > Key: SPARK-36988 > URL: https://issues.apache.org/jira/browse/SPARK-36988 > Project: Spark > Issue Type: Question > Components: Security > Affects Versions: 3.1.2 > Reporter: zoli > Priority: Minor > > {{Spark documentation mentions this:}} > {{[https://spark.apache.org/docs/3.0.0/security.html]}} > {code:java} > spark.network.crypto.config.* > "Configuration values for the commons-crypto library, such as which cipher > implementations to use. The config name should be the name of commons-crypto > configuration without the commons.crypto prefix."{code} > {{What this means?}} > {{If I leave it to None what will happen? There won't be any encryption used > or will it fallback to some default one?}} > {{The common-crypto mentions that it uses JCE or OPENSSL implementations, > but says nothing about the ciphers.}} > {{Does it support everything the given JVM does?}} > {{The documentation is vague on this.}} > {{However the spark ui part for the security is clear:}} > {code:java} > ${ns}.enabledAlgorithms > A comma-separated list of ciphers. The specified ciphers must be supported by > JVM. The reference list of protocols can be found in the "JSSE Cipher Suite > Names" section of the Java security guide. The list for Java 8 can be found > at this page. Note: If not set, the default cipher suite for the JRE will be > used.{code} > {{ }} > {{So what will happen if I leave spark.network.crypto.config.* to None?}} > {{And what ciphers are supported?}} -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org