![]() Keep testing and when you run: CassandraAuditLog_CL With the Custom log added you may have to wait 10 - 20 minutes for the CassandraAuditLog_CL table to be indexed and populated with data in Log Searching. in the Azure Portal to log analytics Workspace - > Custom Logs → +AddĬustom File: /var/log/cassandra/audit/audit.logįor new line delineation chose TimeStamp and the first choice. Now that you have a sample audit.log file you can proceed and create a Custom Log. Run the following: azcopy login azcopy copy /var/log/cassandra/audit/audit.log " Once installed navigate in the Azure Portal to a storage account and create a container called uploads, and generate a SAS Signature for the container to write to or use az cli. Once completed you can upload an example audit.log using azcopy.įirst install azcopy following these instructions for Linux found here. You can now create some audit events using cqlsh tool: cqlsh CREATE KEYSPACE synthwave WITH replication = SELECT * FROM system_schema.keyspaces quit Save the logback.xml and restart the CassandraDB: The changes should look like this, then go and save the configuration. Unremark audit log dir and add /var/log/cassandra/audit Remark out the class_name: BinAuditLogger Make changes to the area but be careful as this is yaml and indentation matters ! Scroll to almost the bottom of the config and you will find a area for Audit logging ![]() Below are some notes on the procedure, the documentation found here can also be helpful. To do so we will need to use a text editor and change two files cassandra.yaml and logback.xml found in: /etc/cassandra/conf/. With Cassandra DB up we can now configure the Cassandra Database audit log file. You can then start the service and test the database: service cassandra start Then you will nee to install Cassandra DB: nano /etc//cassandra.repoĪdd the following and save in the text editor: name=Apache Cassandra baseurl= gpgcheck=1 repo_gpgcheck=1 gpgkey=Īfterwards you can run: yum update yum install cassandra Next you will need to install a prerequisite for Cassandra DB - Java via: yum install java-11-openjdk-devel Below are the loose notes to install Cassandra Database and the following link here is the full install documentation. Once the VM is up be sure to install the log analytics agent in the vm. To begin with you can spin up a Azure Red Hat Linux 8.2 VM, a Log Analytics workspace and a storage account. We will finish by using Azure Sentinel and a Function Parser to help make sense of the logs.Īlternatively you can also follow along in a video. In the following guide we will walk through a popular NoSQL database Apache Cassandra deploying and configuring audit logs to be sent to Azure Sentinel.
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