[Deprecated] Vectra AI Detect via Legacy Agent

1. Linux Syslog agent configuration

Install and configure the Linux agent to collect your Common Event Format (CEF) Syslog messages and forward them to Microsoft Sentinel. > Notice that the data from all regions will be stored in the selected workspace

1.1 Select or create a Linux machine

Select or create a Linux machine that Microsoft Sentinel will use as the proxy between your security solution and Microsoft Sentinel this machine can be on your on-prem environment, Azure or other clouds.

1.2 Install the CEF collector on the Linux machine

Install the Microsoft Monitoring Agent on your Linux machine and configure the machine to listen on the necessary port and forward messages to your Microsoft Sentinel workspace. The CEF collector collects CEF messages on port 514 over TCP, UDP or TLS. > 1. Make sure that you have Python on your machine using the following command: python --version. > 2. You must have elevated permissions (sudo) on your machine.

Run the following command to install and apply the CEF collector:

2. Forward AI Vectra Detect logs to Syslog agent in CEF format

Configure Vectra (X Series) Agent to forward Syslog messages in CEF format to your Microsoft Sentinel workspace via the Syslog agent. From the Vectra UI, navigate to Settings > Notifications and Edit Syslog configuration. Follow below instructions to set up the connection: - Add a new Destination (which is the host where the Microsoft Sentinel Syslog Agent is running) - Set the Port as **514** - Set the Protocol as **UDP** - Set the format to **CEF** - Set Log types (Select all log types available) - Click on **Save** User can click the **Test** button to force send some test events. For more information, refer to Cognito Detect Syslog Guide which can be downloaded from the ressource page in Detect UI.

3. Validate connection

Follow the instructions to validate your connectivity: Open Log Analytics to check if the logs are received using the CommonSecurityLog schema. >It may take about 20 minutes until the connection streams data to your workspace. If the logs are not received, run the following connectivity validation script: > 1. Make sure that you have Python on your machine using the following command: python --version >2. You must have elevated permissions (sudo) on your machine

Run the following command to validate your connectivity:

4. Secure your machine

Make sure to configure the machine's security according to your organization's security policy [Learn more >](https://aka.ms/SecureCEF)