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Re: Disabling IPv6 by default when creating a new namespace in Linux

From	marcoshalano@gmail.com
Newsgroups	linux.debian.maint.ipv6
Subject	Re: Disabling IPv6 by default when creating a new namespace in Linux
Date	2022-06-07 20:40 +0200
Message-ID	<EvMhr-3fWk-1@gated-at.bofh.it> (permalink)
References	(2 earlier) <EvKSl-3fdc-1@gated-at.bofh.it> <EvLbH-3fjn-3@gated-at.bofh.it> <EvLbH-3fjn-1@gated-at.bofh.it> <EvMhr-3fWk-3@gated-at.bofh.it> <EvMhr-3fWk-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Dheeraj,

You don't need to touch the /etc/sysctl.conf. You need to touch your bootloader configuration file. You can see an example of how to do it here: https://www.thegeekdiary.com/centos-rhel-7-how-to-disable-ipv6/

On 07/06/2022 15:33, Dheeraj Kandula <dkandula@gmail.com> wrote:
> Thanks Bjørn for your response. I think I am getting a bit confused here.
> 
> I booted up my Linux VM and set the following in my /etc/sysctl.conf file:
> 
> net.ipv6.conf.all.disable_ipv6=1
> net.ipv6.conf.default.disable_ipv6=1
> 
> I saved the file.
> 
> *I rebooted my VM.*
> 
> After reboot, I check the value of 
> "/sys/module/ipv6/parameters/disable_ipv6". *It is still 0.*
> 
> As it is still 0, the new namespaces are created with IPv6 enabled. Is 
> this a bug in the kernel code?
> 
> Dheeraj
> 
> On Tue, Jun 7, 2022 at 2:17 PM Bjørn Mork <bjorn@mork.no 
> <mailto:bjorn@mork.no>> wrote:
> 
>     Dheeraj Kandula <dkandula@gmail.com <mailto:dkandula@gmail.com>> writes:
> 
>      > On my system I see the following values:
>      >
>      > $cat /sys/module/ipv6/parameters/disable_ipv6
>      > 0
> 
>     Yes, that's the default unless you change it..
> 
>      > Are you suggesting that "cat
>     /sys/module/ipv6/parameters/disable_ipv6"
>      > should be 1?
> 
>     Yes, And if you boot with "ipv6.disable_ipv6=1" on the command line,
>     then it will be.
> 
> 
>     Bjørn
> 
>

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Thread

Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 18:30 +0200
  Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 19:10 +0200
    Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 19:30 +0200
      Re: Disabling IPv6 by default when creating a new namespace in Linux marcoshalano@gmail.com - 2022-06-07 20:40 +0200
        Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 21:40 +0200
          Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 21:50 +0200
      Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 20:40 +0200
        Re: Disabling IPv6 by default when creating a new namespace in Linux Bjørn Mork <bjorn@mork.no> - 2022-06-07 21:00 +0200
          Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 21:30 +0200
            Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 22:30 +0200
              Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-08 17:20 +0200
                Re: Disabling IPv6 by default when creating a new namespace in Linux Bjørn Mork <bjorn@mork.no> - 2022-06-09 09:10 +0200
            Re: Disabling IPv6 by default when creating a new namespace in Linux Bjørn Mork <bjorn@mork.no> - 2022-06-07 22:30 +0200
      Re: Disabling IPv6 by default when creating a new namespace in Linux Bjørn Mork <bjorn@mork.no> - 2022-06-07 20:40 +0200
    Re: Disabling IPv6 by default when creating a new namespace in Linux Bjørn Mork <bjorn@mork.no> - 2022-06-07 19:30 +0200
  Re: Disabling IPv6 by default when creating a new namespace in Linux Marc Haber <mh+debian-ipv6@zugschlus.de> - 2022-06-07 19:20 +0200
    Re: Disabling IPv6 by default when creating a new namespace in Linux Dheeraj Kandula <dkandula@gmail.com> - 2022-06-07 19:30 +0200
    Re: Disabling IPv6 by default when creating a new namespace in Linux Bjørn Mork <bjorn@mork.no> - 2022-06-07 19:40 +0200
  Re: Disabling IPv6 by default when creating a new namespace in Linux Bjørn Mork <bjorn@mork.no> - 2022-06-07 19:30 +0200

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