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Groups > alt.comp.software.firefox > #17828

Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix

From David Higton <dave@davehigton.me.uk>
Newsgroups alt.comp.software.firefox, alt.os.linux, comp.mobile.android, alt.internet.wireless, alt.comp.os.windows-10
Subject Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix
Date 2026-07-20 20:47 +0100
Organization Home
Message-ID <169a81fb5c.DaveMeUK@BeagleBoard-xM> (permalink)
References <113kg6k$s72$1@nnrp.usenet.blueworldhosting.com>

Cross-posted to 5 groups.

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In message <113kg6k$s72$1@nnrp.usenet.blueworldhosting.com>
          Maria Sophia <mariasophia@comprehension.com> wrote:

> PSA: 
> IPv6 browser privacy leaks are caused by the host, yet there's a fix.
> ISP modem > IPv6-silent bridge > normal home router > Wi-Fi devices
>
> On all platforms, web browsers can leak your globally-routable IPv6
> address (even when you're using a VPN). This IPV6 privacy leak happens
> because the browsers prefer IPv6 and the OS host itself participates in
> IPv6 routing. 

I don't understand why you think there's a problem.  Very much the whole
point of IPv6 is that all your globally routable IPv6 addresses are,
well, globally routable.  I'd be happy for the whole world to know what
mine are.

The only ports that are open on any of these addresses to incoming
connections are as a result of my opening a pinhole in the firewall.

So, knowing your globally routable addresses is one thing.  Allowing
connections in to any of them is entirely another matter.

David

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Thread

PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-20 02:45 -0400
  Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Carlos E. R." <robin_listas@es.invalid> - 2026-07-20 14:03 +0200
    Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 02:43 -0400
      Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Carlos E. R." <robin_listas@es.invalid> - 2026-07-21 11:18 +0200
        Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 07:36 -0400
          Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Carlos E. R." <robin_listas@es.invalid> - 2026-07-21 19:28 +0200
            Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 14:32 -0400
              Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Hank Rogers <Hank@nospam.invalid> - 2026-07-21 18:31 -0500
                Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-22 15:40 -0400
                Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-22 18:53 -0400
    Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Brian Gregory <void-invalid-dead-dontuse@email.invalid> - 2026-07-28 00:36 +0100
  Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix David Higton <dave@davehigton.me.uk> - 2026-07-20 20:47 +0100
    Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Carlos E. R." <robin_listas@es.invalid> - 2026-07-20 21:59 +0200
      Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 02:04 -0400
        Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Adam H. Kerman" <ahk@chinet.com> - 2026-07-21 06:37 +0000
          Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 03:23 -0400
        Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Nuno Silva <nunojsilva@invalid.invalid> - 2026-07-21 07:59 +0100
          Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 04:41 -0400
            Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Carlos E. R." <robin_listas@es.invalid> - 2026-07-21 11:03 +0200
              Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 05:47 -0400
                Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Carlos E. R." <robin_listas@es.invalid> - 2026-07-21 12:27 +0200
                Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 14:10 -0400
          Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Carlos E. R." <robin_listas@es.invalid> - 2026-07-21 10:53 +0200
            Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 05:19 -0400
              Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix "Carlos E. R." <robin_listas@es.invalid> - 2026-07-21 11:30 +0200
                Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 06:10 -0400
              Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-22 19:13 -0400
            Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Nuno Silva <nunojsilva@invalid.invalid> - 2026-07-22 09:47 +0100
              Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-22 16:30 -0400
      Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Brian Gregory <void-invalid-dead-dontuse@email.invalid> - 2026-07-22 21:35 +0100
        Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-22 16:46 -0400
          Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Brian Gregory <void-invalid-dead-dontuse@email.invalid> - 2026-07-23 04:33 +0100
            Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Nuno Silva <nunojsilva@invalid.invalid> - 2026-07-23 08:12 +0100
              Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-23 16:23 -0400
    Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Oregonian Haruspex <no_email@invalid.invalid> - 2026-07-25 04:58 +0000
      Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-26 14:25 -0700
  Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 01:38 -0400
    Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Nuno Silva <nunojsilva@invalid.invalid> - 2026-07-21 07:51 +0100
      Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-21 03:45 -0400
        Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Nuno Silva <nunojsilva@invalid.invalid> - 2026-07-22 09:37 +0100
          Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-24 11:36 -0700
  Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Brian Gregory <void-invalid-dead-dontuse@email.invalid> - 2026-07-22 21:32 +0100
    Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-22 16:54 -0400
      Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix agris <agris@invalid.tld> - 2026-07-22 17:05 -0700
        Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-22 23:06 -0400
          Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Brian Gregory <void-invalid-dead-dontuse@email.invalid> - 2026-07-23 04:50 +0100
            Re: PSA: IPv6 browser privacy leaks are caused by the host yet there's a simple fix Maria Sophia <mariasophia@comprehension.com> - 2026-07-23 16:51 -0400

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