Fiddler show external requests but not initiated by any legitimate process

Summary

: In this article, we will discuss the steps to take when Fiddler shows external requests but not initiated by any legitimate process. We will provide a comprehensive solution to this issue and suggest ways to prevent it from happening in the future.

1. Introduction
Fiddler is a web debugging proxy tool that allows developers to inspect traffic between their computer and the internet. However, sometimes Fiddler may show external requests that were not initiated by any legitimate process. This can be frustrating and confusing for users who are trying to debug their applications. In this article, we will explore the potential causes of this issue and provide solutions to address it.
2. Causes of External Requests in Fiddler
There are several possible reasons why Fiddler may show external requests that were not initiated by any legitimate process:
a. Malware or Viruses
One of the most common reasons for external requests is the presence of malware or viruses on your computer. These programs can hijack your network connections and send traffic without your knowledge. If you suspect that your computer may be infected, it is essential to run a virus scan and remove any malicious software.
b. Outdated Fiddler Version
Another possible cause of external requests is using an outdated version of Fiddler. It is crucial to keep your software up-to-date to ensure that you are using the latest security patches and features. You can check for updates by visiting the Fiddler website or through the application’s settings menu.
c. Network Issues
Network issues can also cause external requests in Fiddler. For example, if your computer is connected to a public Wi-Fi network, it may be vulnerable to attacks from other users on the same network. It is essential to use a VPN or other security measures when connecting to public networks.
3. Solutions for External Requests in Fiddler
a. Disable Untrusted Connections
One way to prevent external requests in Fiddler is by disabling untrusted connections. This can be done by going to the Fiddler settings menu and selecting “Untrusted Connections.” From here, you can choose to block all untrusted connections or only allow traffic from specific IP addresses.
b. Update Fiddler
If you are using an outdated version of Fiddler, it is crucial to update the software as soon as possible. This will ensure that you have the latest security patches and features, which can help prevent external requests.
c. Use a VPN
Using a VPN can help protect your computer from network attacks and prevent external requests in Fiddler. A VPN encrypts your internet connection and hides your IP address, making it more challenging for hackers to access your network.
4.

Conclusion

Fiddler is an essential tool for web developers, but external requests that were not initiated by any legitimate process can be frustrating and confusing. By understanding the potential causes of these requests and implementing solutions such as disabling untrusted connections, updating Fiddler, and using a VPN, users can prevent this issue from occurring in the future.

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