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“Unlock the Secrets of Network Tracing on Azure App Services – Windows & Linux!”

How to Capture Network Traces on Azure App Services (Windows & Linux)
Introduction
Network traces are useful for troubleshooting and diagnosing communication issues between different services on Azure. In this article, we will discuss how to capture network traces on Azure App Services, both on Windows and Linux. We will also cover the different tools available for capturing the network traffic, as well as some best practices that can be applied to ensure successful capture and analysis of the network traffic.

Overview of Network Traces
Network traces are a set of records, typically captured using a network monitoring tool, that provide a comprehensive view of the network traffic in a given environment. Network traces can be used to identify potential network issues, such as packet loss, latency, and protocol errors. Network traces can also be used to determine the root cause of a problem and the potential solutions.

Tools for Capturing Network Traces on Azure App Services
There are several tools available for capturing network traces on Azure App Services. The most commonly used tools are Wireshark, Microsoft Network Monitor, and Fiddler. Wireshark is a free open source network analysis tool that is available for Windows, Linux, and Mac OS. Microsoft Network Monitor is a Microsoft-developed network analysis tool that is available for Windows only. Fiddler is a web debugging proxy that is available for Windows only.

Capturing Network Traces on Windows
Wireshark
To capture network traces using Wireshark on Windows, you will need to download and install the software on your local machine. Once installed, you can open Wireshark and select the network interface that you want to capture the network traffic from. Once the network interface is selected, you can start capturing the network traffic by clicking on the “Start” button.

Microsoft Network Monitor
To capture network traces using Microsoft Network Monitor on Windows, you will need to download and install the software on your local machine. Once installed, you can open Microsoft Network Monitor and select the network interface that you want to capture the network traffic from. Once the network interface is selected, you can start capturing the network traffic by clicking on the “Start” button.

Capturing Network Traces on Linux
Wireshark
To capture network traces using Wireshark on Linux, you will need to install the software on your local machine. Once installed, you can open Wireshark and select the network interface that you want to capture the network traffic from. Once the network interface is selected, you can start capturing the network traffic by clicking on the “Start” button.

tcpdump
To capture network traces using tcpdump on Linux, you will need to install the software on your local machine. Once installed, you can open tcpdump and select the network interface that you want to capture the network traffic from. Once the network interface is selected, you can start capturing the network traffic by typing in the appropriate command.

Best Practices for Capturing Network Traces
Capture only the Network Traffic that is Needed
When capturing network traces, it is important to capture only the network traffic that is needed for the analysis. This will help to reduce the size of the trace file and make it easier to analyze.

Capture the Data in a Controlled Environment
When capturing network traces, it is important to capture the data in a controlled environment. This will help to ensure that the data captured is accurate and that any potential issues are identified and fixed.

Analyze the Network Trace Data
Once the network trace data has been captured, it is important to analyze the data in order to identify any potential problems and ensure that the network is functioning properly.

Document the Network Trace Analysis
Once the network trace analysis has been completed, it is important to document the findings in order to ensure that they are available for reference in the future.

Conclusion
Capturing network traces on Azure App Services (Windows & Linux) is an important task that can help to identify potential network issues and ensure that the network is functioning properly. In this article, we discussed the different tools available for capturing network traces, as well as the best practices for capturing and analyzing the network traces. By following these best practices, you will be able to ensure that your network is performing optimally and that any potential issues are identified and fixed in a timely manner.

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