tls Archives - Java / Cloud / BigData

April 28, 2021August 10, 2021
Java, SSL
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OPENSSL internal: SSLV3 ALERT HANDSHAKE FAILURE

Full text of the error: If you encounter such an error, there are at least two reasons: Incompatible version of boring-ssl library. Private key problem. For example, we wrote our own KeyManager implementation and the getPrivateKey() method returns null, or there is no such private key at all.

April 28, 2021April 28, 2021
Java, SSL
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OPENSSL internal: WRONG VERSION NUMBER

Full text of the error: If you encounter such an exception, it could mean that you are trying to access somewhere using https/ssl/tls, but the endpoint does not support it, and supports plain connection/http. Thanks ingenuity2k.

November 9, 2020March 29, 2021
Java, SSL, ZooKeeper
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SSL / TLS setup for ZooKeeper

We have a ZooKeeper server and a java client application that connects to it. SSL has appeared in ZooKeeper since version 3.5.: https://issues.apache.org/jira/browse/ZOOKEEPER-2125 Server Tuning There are several types of ZooKeeper server distribution. We’ll cover the standalone version as well as the Apache Kafka version. We need a configured server for start. The setup process […]