Re: RPi associating two IPs with its one and only wifi interface

From	David Higton <dave@davehigton.me.uk>
Newsgroups	comp.sys.raspberry-pi
Subject	Re: RPi associating two IPs with its one and only wifi interface
Date	2025-12-31 20:23 +0000
Organization	Home
Message-ID	<22d701945c.DaveMeUK@BeagleBoard-xM> (permalink)
References	(1 earlier) <5Rh*+QbvA@news.chiark.greenend.org.uk> <10iv40e$1e1ba$1@dont-email.me> <88f37b935c.DaveMeUK@BeagleBoard-xM> <10j31s0$2gptg$9@dont-email.me> <10j3tmk$29ec2$1@dont-email.me>

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In message <10j3tmk$29ec2$1@dont-email.me>
          Pancho <Pancho.Jones@protonmail.com> wrote:

> On 12/31/25 11:36, The Natural Philosopher wrote:
> > On 30/12/2025 20:00, David Higton wrote:
> > > What I particularly like about IPv6 is that NAT/NAPT are simply not
> > > necessary
> > 
> > So making the implementation of a firewall absolutely mandatory
> > 
> 
> Linux IPv6 does appear to use random IPv6 address for outbound 
> connections, which have a limited lifespan. This appears to be something 
> like 1-7 days, but if very short lifespans were used it could offer a 
> protection similar to NAT. I need to investigate a bit further, but I 
> don't think IPv6 needs to be inherently less safe.

I use Ubuntu, which gives itself two routable IPv6 addresses.  One is
always the same (good if you have an internet-accessible server) and
the other is new each reboot (good for privacy).  Maybe it's the same
for you?

David

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RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-27 13:34 -0400
  Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-27 18:17 +0000
    Re: RPi associating two IPs with its one and only wifi interface John R Walliker <jrwalliker@gmail.com> - 2025-12-27 19:03 +0000
      Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-27 19:28 +0000
      Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-28 23:14 -0400
        Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-29 03:51 +0000
          Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-29 20:40 -0400
            Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-30 11:01 +0000
    Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-28 23:16 -0400
  Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2025-12-27 20:46 +0000
    Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-28 23:21 -0400
      Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2025-12-29 10:59 +0000
        Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-29 13:08 +0000
        Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-29 11:20 -0400
        Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-30 05:49 +0000
          Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-30 17:07 -0400
            Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-30 22:14 +0000
              Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-31 16:00 -0400
                Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-31 21:09 +0000
                Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2026-01-01 11:21 -0400
                Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-31 21:50 +0000
                Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2026-01-01 11:23 -0400
                Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2026-01-01 17:54 +0000
                Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-01 19:15 +0000
                Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2026-01-01 20:56 +0000
                Re: RPi associating two IPs with its one and only wifi interface druck <news@druck.org.uk> - 2026-01-02 15:39 +0000
                Re: RPi associating two IPs with its one and only wifi interface Daniel James <daniel@me.invalid> - 2026-01-02 17:32 +0000
                Re: RPi associating two IPs with its one and only wifi interface druck <news@druck.org.uk> - 2026-01-04 19:02 +0000
                Re: RPi associating two IPs with its one and only wifi interface Daniel James <daniel@me.invalid> - 2026-01-05 12:37 +0000
                Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-05 22:12 +0000
            Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-31 11:58 +0000
              Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-31 16:04 -0400
                Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-31 21:10 +0000
                Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-31 21:52 +0000
  Re: RPi associating two IPs with its one and only wifi interface Theo <theom+news@chiark.greenend.org.uk> - 2025-12-27 23:25 +0000
    Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-29 11:08 -0400
      Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-29 17:31 +0000
        Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-29 21:00 -0400
          Re: RPi associating two IPs with its one and only wifi interface Lars Poulsen <lars@beagle-ears.com> - 2025-12-30 01:38 +0000
            Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-30 17:15 -0400
          Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-30 05:42 +0000
            Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-30 17:50 -0400
              Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-30 22:26 +0000
                Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2026-01-01 11:33 -0400
          Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-30 11:03 +0000
          Re: RPi associating two IPs with its one and only wifi interface druck <news@druck.org.uk> - 2025-12-31 12:53 +0000
            Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2025-12-31 13:15 +0000
              Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-31 16:09 -0400
                Re: RPi associating two IPs with its one and only wifi interface Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2026-01-01 22:37 +0200
                Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2026-01-02 12:20 -0400
    Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2025-12-29 23:48 +0000
      Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2025-12-29 21:01 -0400
        Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-30 05:42 +0000
      Re: RPi associating two IPs with its one and only wifi interface David Higton <dave@davehigton.me.uk> - 2025-12-30 20:00 +0000
        Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-12-30 20:12 +0000
          Re: RPi associating two IPs with its one and only wifi interface David Higton <dave@davehigton.me.uk> - 2025-12-30 20:27 +0000
        Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-31 11:36 +0000
          Re: RPi associating two IPs with its one and only wifi interface David Higton <dave@davehigton.me.uk> - 2025-12-31 11:44 +0000
          Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2025-12-31 19:31 +0000
            Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2025-12-31 20:18 +0000
              Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-31 21:54 +0000
                Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2026-01-01 11:34 +0000
                Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2026-01-01 12:09 +0000
                Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2026-01-01 12:26 +0000
                Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2026-01-01 13:21 +0000
                Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2026-01-01 13:48 +0000
                Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2026-01-04 14:22 +0000
                Re: RPi associating two IPs with its one and only wifi interface David Higton <dave@davehigton.me.uk> - 2026-01-04 15:15 +0000
                Re: RPi associating two IPs with its one and only wifi interface Richard Kettlewell <invalid@invalid.invalid> - 2026-01-04 15:20 +0000
                Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2026-01-06 08:20 +0000
            Re: RPi associating two IPs with its one and only wifi interface David Higton <dave@davehigton.me.uk> - 2025-12-31 20:23 +0000
              Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2026-01-01 11:02 +0000
            Re: RPi associating two IPs with its one and only wifi interface The Natural Philosopher <tnp@invalid.invalid> - 2025-12-31 21:48 +0000
        Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2025-12-31 19:26 +0000
          Re: RPi associating two IPs with its one and only wifi interface David Higton <dave@davehigton.me.uk> - 2025-12-31 20:19 +0000
            Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2026-01-01 10:50 +0000
              IPv6 Transition issues ... Lars Poulsen <lars@beagle-ears.com> - 2026-01-01 17:05 +0000
          Re: RPi associating two IPs with its one and only wifi interface Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2026-01-14 19:49 +0200
            Re: RPi associating two IPs with its one and only wifi interface John R Walliker <jrwalliker@gmail.com> - 2026-01-14 17:57 +0000
              Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-14 21:13 +0000
                Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2026-01-15 13:33 +0000
                Re: RPi associating two IPs with its one and only wifi interface John R Walliker <jrwalliker@gmail.com> - 2026-01-15 13:53 +0000
                Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-16 04:59 +0000
              Re: RPi associating two IPs with its one and only wifi interface Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2026-01-18 01:08 +0200
            Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2026-01-15 01:17 +0000
              Re: RPi associating two IPs with its one and only wifi interface Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-15 05:10 +0000
                Re: RPi associating two IPs with its one and only wifi interface Pancho <Pancho.Jones@protonmail.com> - 2026-01-15 13:34 +0000
  Re: RPi associating two IPs with its one and only wifi interface attend <attend@homesrv.net> - 2026-01-05 22:21 +0000
    Re: RPi associating two IPs with its one and only wifi interface Jim Diamond <zsd@jdvb.ca> - 2026-01-06 21:54 -0400

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