OCI VCN Flow
- Miguel Lauriano
- Aparna Rr
- Aparna Rr
About The Device
Each instance in a VCN has one or more Virtual Network Interface Cards (VNICs). The Networking service uses Security Lists to determine what traffic is allowed through a given VNIC. To help you troubleshoot your security lists or audit the traffic in and out of your VNICs, you can set up VCN flow logs. Flow logs record details about traffic that has been accepted or rejected based on the security list rules.
Device Information
 Entity | Particulars |
|---|---|
Vendor Name | Oracle |
Product Name | VCN Flow |
Type of Device | Cloud |
Collection Method
Log Type | Â Ingestion label | Preferred Logging Protocol - Format | Log Collection Method |
|---|---|---|---|
OCI VCN Flow | Â OCI_FLOW (Raw log telemetry) | JSON | CyberHub |
Device Configuration
Please follow the steps below to enable raw log telemetry.
Pre-requisite:
Ensure that a log group is established for storing flow logs. If not, refer to the provided steps.
The user must possess access rights to both the log group and the compartment from which flow logs are to be extracted.
To Enable flow logs
In the navigation menu in the Console, navigate to Logging and click Log Management.
Create a log group to store your Flow Logs configuration.
In Log Groups, click Create Log Group. Enter Name and Description and click Create.
To Enable flow logs on your subnet
In the Logs tab, click Enable Log. Select the Flow Logs service and select your subnet as the resource. Enter a Name for the log and click Enable Log.
Alternatively, you can enable flow logs through the Logging tab on your subnet, which redirects you to the same workflow.
 To query the API to fetch the flow logs
Login to the Oracle Cloud console
Click profile icon
Select API Keys
Select Generate API key pair
Please note that the user you are creating key pair for should have access to the compartments where the VCN flow is logging.
Download public key and private key
Click on the add button
Copy the configuration file preview content and share with Adaptive MxDR Service Delivery Lead.
Along with the configuration file preview, please share the downloaded private key as well.
 Request you to provide below details:
Name and OCID of the compartment.
Name and OCID of the log group where logs are getting stored.
 To Get Compartment OCID
Open the navigation menu and click Identity & Security. Under Identity, click Compartments.
A list of the compartments in your tenancy appears.
A shortened version of the OCID is displayed next to each compartment.
Click the shortened OCID string to view the entire value. Click Copy to copy the OCID to your clipboard.
To Get Log group OCID
Open the navigation menu and click Observability & Management. In Logging, click Logs.
In List Scope > Compartment, choose a compartment for VCN flow logging
Select the log group for VCN flow logs and copy the OCID.
Integration Parameters
Property | Default Value | Description |
|---|---|---|
Tenant OCID | N/A | Part of configuration file. Please check device configuration steps for details. |
User OCID | N/A | Part of configuration file. Please check device configuration steps for details. |
Fingerprint | N/A | Part of configuration file. Please check device configuration steps for details. |
Private Key | N/A | Â |
Region | N/A | Â |
Compartment OCID | N/A | Â |
Log Group OCID | N/A | Â |
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