Disabling firefox detect captive portal

Story

While working on a dns server on my virtual network, I was tailing the named logs in journald, and I saw a request go through:

detectportal.firefox.com

I thought to myself, “What is that?” I ddged it and found that was a function in firefox that tries to detect if it’s in a captive portal, like at a hotel or other public wifi where you must agree to something before you can access the World Wide Web.
I realize that it is probably fine for firefox to do this, but it’s not necessary. I don’t want my browser doing anything of the sort. I will tell what and when to visit web URLs.

Disabling firefox detect captive portal

In firefox, visit about:config and search for captive.
You can change the values. The easiest one to change is the network.captive-portal-service.enabled. You can change this boolean value to false by double-clicking it.

References

Weblinks

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1307867
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