While configuring OSSEC HIDS to work with MySQL, I encountered an issue during the database setup. When running the make setdb command, I received the following error: Understanding the Issue OSSEC’s database setup process appears to require both MySQL and PostgreSQL client libraries to be installed, even if you’re only…

If you’re managing multiple agents in OSSEC, you might encounter a situation where notifications from different agents get grouped into a single email. This can make it difficult to distinguish which agent triggered which alert. Why This Happens There are two main reasons why OSSEC groups notifications: Email Rate Limits…