When using Burp Suite to catch Request and Pentest the system, if you use FireFox you will often see Firefox sending out https://detectportal.firefox.com continuously. When looking in the Proxy Tab, it will take a long time to filter these links out. In this article, I will guide you to turn off Firefox’s detportal.firefox.com link sending feature.
How to block “detectportal.firefox.com” when using Burp Suite
Burp Suite is the most popular website vulnerability scanning tool today. When using Burp Suite as a Proxy to catch Requests, you will usually use Firefox to perform Pentest. But every time you catch the Request you will encounter the link https://detectportal.firefox.com/success.txt?ipv6 , https://detectportal.firefox.com/success.txt?ipv4 , https://detectportal.firefox .com/canonical.html. This will be tedious and time consuming to find the link that needs to be done Pentest. To disable Firefox Spam link detectportal.firefox.com caught by Burp Suite, do the following:
Step 1: Open Firefox, on the Address bar type the path:
about:config to access Firefox’s configuration page. Press the button Accept the risk and continue to continue
Step 2: Keyword search.
Type “Captive” into the search box and wait for it to load a list of matching keywords.
Step 3: Find the name “network.captive-portal-service.enabled”, if it is in value True Then Double Click and choose to False (or press the toggle on the right to change the value to “false”)
Now you turn off Firefox, open it again, try to open Burp Suite and catch the Website’s Request, in the History Tab you will no longer see the appearance of the links https://detectportal.firefox.com/ half, that will help you save time to browse the Website more. If you do not know how to use Burp Suite, please see the article Web Pentest – Lesson 1: An overview of Burp Suite for a basic understanding of this software.