How do I analyze Azure WAF logs? (2024)

How do you analyze Azure logs?

Log Analytics is a tool in the Azure portal to edit and run log queries from data collected by Azure Monitor logs and interactively analyze their results. You can use Log Analytics queries to retrieve records that match particular criteria, identify trends, analyze patterns, and provide various insights into your data.

(Video) Azure WAF logging analytics and alerting | Part 2 of 2
(Cloud Inspired)

How do I Monitor WAF logs?

Azure Monitor enables you to track diagnostic information including WAF alerts and logs. You can configure WAF monitoring within the Front Door resource in the portal under the Diagnostics tab, through infrastructure as code approaches, or by using the Azure Monitor service directly.

(Video) How to Handle False Positives from WAF Logs?
(Avi Networks)

Which language would you use to query Azure Log Analytics?

Azure Monitor Logs is based on Azure Data Explorer, and log queries are written using the same Kusto query language (KQL). This is a rich language designed to be easy to read and author, so you should be able to start writing queries with some basic guidance.

(Video) Azure Web Application Firewall (WAF) | Part 1 of 2
(Cloud Inspired)

How do I query Application Gateway logs?

Navigate to the Application Gateway resource. On the resource, to the left scroll to Monitoring and select Logs. Select Get Started. By default, the Queries screen appears.

(Video) Azure WAF: Detect Traffic Anomalies and Auto-Mitigate Traffic Spikes on Microsoft Azure Front Door
(Microsoft Security Community)

What are WAF logs?

Logging. WAF Uses Amazon Kinesis Firehose to ingest logs. This allows logs to be passed to any Kinesis Firehose destination, such as Amazon S3, Amazon Redshift or Amazon Elastic Search. To enable logging of requests in your Web ACL, you must first create a Kinesis Data Firehose. Here is an example WAF log of a request.

(Video) How to query Azure Storage logs in Azure Monitor Log Analytics | Azure Tips and Tricks
(Microsoft Azure)

Is Azure Log Analytics free?

Some data types, including Azure Activity Logs, are free from data ingestion charges. Data ingested as Basic Logs (see below) are not billed as analytics Pay-As-You-Go or against a Commitment Tier.

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(Ixia Training TV)

What is a log query?

The logging query language processing is based on a data flow model. Each query can reference one or more logs, and produces a table dataset as a result. The query language provides several operators for searching, filtering, and aggregating structured and unstructured logs.

(Video) Protect your web applications using WAF with Azure Front Door | Azure Friday
(Microsoft Azure)

What is the difference between application insights and Log Analytics?

"Log Analytics" is referred as a feature and not what used to be known as Log Analytics as a product. For instance, Application Insights resources provide the same "Log Analytics" feature. For Azure Functions / APIM the native integration with Azure Monitor is through Application Insights.

(Video) How to write log queries in Azure Monitor
(Microsoft Azure)

How do I enable WAF logging?

Associate AWS WAF with the Kinesis Data Firehose
  1. Open the AWS WAF console.
  2. In the navigation pane, choose Web ACLs.
  3. For Filter, choose the Region where your web ACL was created.
  4. Choose the relevant web ACL from the resulting list, and then choose Logging.
  5. Choose Enable Logging.
Mar 30, 2021

(Video) Sending Logs from Windows Server to Log Analytics Workspace in Azure
(InfoVerse Tech)

How do I use CloudWatch metrics?

Open the CloudWatch console at https://console.aws.amazon.com/cloudwatch/ .
  1. In the navigation pane, choose Metrics.
  2. Choose the EC2 metric namespace.
  3. Select a metric dimension (for example, Per-Instance Metrics).
  4. To sort the metrics, use the column heading. To graph a metric, select the check box next to the metric.

(Video) Azure WAF & Front Door tutorial
(DevopsWith Shan)

What is WAF and how it works?

A WAF protects your web apps by filtering, monitoring, and blocking any malicious HTTP/S traffic traveling to the web application, and prevents any unauthorized data from leaving the app. It does this by adhering to a set of policies that help determine what traffic is malicious and what traffic is safe.

(Video) How to build Azure Workbooks using logs and parameters | Azure Portal Series
(Microsoft Azure)

What is the difference between Azure Monitor and Log Analytics?

Its a bit like the relationship of Office to Word, Excel etc... Monitor is the brand, and Log Analytics is one of the solutions. Log Analytics and Application Insights have been consolidated into Azure Monitor to provide a single integrated experience for monitoring Azure resources and hybrid environments.

How do I analyze Azure WAF logs? (2024)

Where are Azure logs stored?

The diagnostics logs are saved in a blob container named $logs in your storage account. You can view the log data using a storage explorer like the Microsoft Azure Storage Explorer, or programmatically using the storage client library or PowerShell.

How can I learn KQL?

KQL Tutorial Series | Straight Basics | EP1 - YouTube

How do I Monitor Azure Application Gateway?

Browse to an application gateway, under Monitoring select Metrics. To view the available values, select the METRIC drop-down list. To see a current list of metrics, see Supported metrics with Azure Monitor.

What is the use of diagnostic logs in Azure?

With Azure diagnostic logs, you can view core analytics and save them into one or more destinations including: Azure Storage account. Log Analytics workspace. Azure Event Hubs.

How do I check Azure portal logs?

In the Azure portal, go to your resource and select Workbooks. In the Activity Logs Insights section, select Activity Logs Insights.

How do I export a WAF log?

Navigate to the ADVANCED > Export Logs page. In the Export Logs section, click Export Log Settings. The Export Log Settings window opens. In the Syslog Settings section, select the appropriate facility (Local0 to Local7) from the drop-down list for each log type and click Save.

What is log data analysis?

Log analysis is the process of reviewing computer-generated event logs to proactively identify bugs, security threats, factors affecting system or application performance, or other risks. Log analysis can also be used more broadly to ensure compliance with regulations or review user behavior.

How long are Azure logs kept?

Activity reports
ReportAzure AD FreeAzure AD Premium P2
Audit logsSeven days30 days
Sign-insSeven days30 days
Azure AD MFA usage30 days30 days
Feb 8, 2022

How long is data stored in Log Analytics?

By default Application Insights and Log Analytics has a data retention of 90 days. You can opt to extend the retention up to 730 days.

What are Azure activity logs?

Resource logs were previously referred to as diagnostic logs. Activity log. Azure Subscription. Provides insight into the operations on each Azure resource in the subscription from the outside (the management plane) in addition to updates on Service Health events.

How do I write a query in Log Analytics?

In this article
  1. Write a new query.
  2. Sort and top.
  3. The where operator: filtering on a condition.
  4. Specify a time range.
  5. Use project and extend to select and compute columns.
  6. Use summarize to aggregate groups of rows.
  7. Next steps.
Feb 8, 2022

How do I send logs to Azure Log Analytics?

Add custom log table
  1. Go to the Log Analytics workspaces menu in the Azure portal and select Tables (preview). ...
  2. Specify a name for the table. ...
  3. Click Create a new data collection rule to create the DCR that will be used to send data to this table. ...
  4. Select the data collection endpoint that you created and click Next.
Jul 24, 2022

Is Log Analytics part of Azure Monitor?

Azure Monitor builds on top of Log Analytics, the platform service that gathers log and metrics data from all your resources. The easiest way to think about it is that Azure Monitor is the marketing name, whereas Log Analytics is the technology that powers it.

References

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