Lemmy Today
  • Communities
  • Create Post
  • Create Community
  • heart
    Support Lemmy
  • search
    Search
  • Login
  • Sign Up
Nemeski@lemm.ee to Firefox@lemmy.world · 5 months ago

Firefox Blocks 0.0.0.0 IP Addresses: Tell Us What This Means To You!

connect.mozilla.org

external-link
message-square
7
link
fedilink
  • cross-posted to:
  • firefox@lemmy.ml
27
external-link

Firefox Blocks 0.0.0.0 IP Addresses: Tell Us What This Means To You!

connect.mozilla.org

Nemeski@lemm.ee to Firefox@lemmy.world · 5 months ago
message-square
7
link
fedilink
  • cross-posted to:
  • firefox@lemmy.ml
In response to 0.0.0.0 day, Firefox Nightly version 131 had introduced a new security measure: blocking access to 0.0.0.0/::/::ffff:0.0.0.0 addresses. This change is currently live for Nightly users and will be gradually rolled out to all release users in the near future. Before we implement this ch...
  • Alex Chapman@lemm.ee
    link
    fedilink
    English
    arrow-up
    3
    arrow-down
    4
    ·
    5 months ago

    Um, OK? I dunno why you’d wanna block access to that IP.

    • Darkassassin07@lemmy.ca
      link
      fedilink
      English
      arrow-up
      14
      arrow-down
      1
      ·
      edit-2
      5 months ago

      The first hyperlink in that post explains exactly why:

      https://www.oligo.security/blog/0-0-0-0-day-exploiting-localhost-apis-from-the-browser

      • Ephera@lemmy.ml
        link
        fedilink
        English
        arrow-up
        1
        ·
        5 months ago

        Oh man, I thought, it was some silly celebration day for the 0.0.0.0 address, so I didn’t even click on the link at first.

    • tal
      link
      fedilink
      English
      arrow-up
      6
      ·
      5 months ago

      If a remote page can cause your browser to do fetches on your local machine, it can potentially poke at a lot of important stuff that has Web UIs running on the local machine.

Firefox@lemmy.world

firefox@lemmy.world

Subscribe from Remote Instance

Create a post
You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: !firefox@lemmy.world

A community for discussion about Mozilla Firefox.

Visibility: Public
globe

This community can be federated to other instances and be posted/commented in by their users.

  • 9 users / day
  • 877 users / week
  • 1.15K users / month
  • 3.31K users / 6 months
  • 28 local subscribers
  • 5.37K subscribers
  • 409 Posts
  • 3.09K Comments
  • Modlog
  • mods:
  • lightbeam24@lemmy.world
  • BE: 0.19.11
  • Modlog
  • Legal
  • Instances
  • Docs
  • Code
  • join-lemmy.org