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

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Hi Bj=C3=B8rn
         Thanks for your reply. Are you suggesting that if I boot up the
machine with "net.ipv6.conf.all.disable_ipv6=3D1" and
"net.ipv6.conf.default.disable_ipv6=3D1", IPv6 should be disabled in newly
created namespaces too.
It doesn't work that way on my machine. Can you point me to the function
that is used for creating a new namespace?

Thanks
Dheeraj

On Tue, Jun 7, 2022 at 12:56 PM Bj=C3=B8rn Mork <[email protected]> wrote:

> Dheeraj Kandula <[email protected]> writes:
>
> > How do I disable IPv6 by default when a new namespace is created?
>
> Looking at the code, I see that the default for all namespaces will be
> taken from the ipv6 module parameter "disable_ipv6".  This parameter is
> not writable and the ipv6 module is built-in, so you cannot change it
> after boot.  But booting with "ipv6.disable_ipv6=3D1" on the command line
> should work.
>
>
> Bj=C3=B8rn
>

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<div dir=3D"ltr"><div>Hi Bj=C3=B8rn</div><div>=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 Thanks for your reply. Are you suggesting that if I b=
oot up the machine with &quot;net.ipv6.conf.all.disable_ipv6=3D1&quot; and =
&quot;net.ipv6.conf.default.disable_ipv6=3D1&quot;, IPv6 should be disabled=
 in newly created namespaces too.</div><div>It doesn&#39;t work that way on=
 my machine. Can you point me to the function that is used for creating a n=
ew namespace?</div><div><br></div><div>Thanks</div><div>Dheeraj<br></div></=
div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On=
 Tue, Jun 7, 2022 at 12:56 PM Bj=C3=B8rn Mork &lt;<a href=3D"mailto:bjorn@m=
ork.no">[email protected]</a>&gt; wrote:<br></div><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,20=
4);padding-left:1ex">Dheeraj Kandula &lt;<a href=3D"mailto:[email protected]=
om" target=3D"_blank">[email protected]</a>&gt; writes:<br>
<br>
&gt; How do I disable IPv6 by default when a new namespace is created?<br>
<br>
Looking at the code, I see that the default for all namespaces will be<br>
taken from the ipv6 module parameter &quot;disable_ipv6&quot;.=C2=A0 This p=
arameter is<br>
not writable and the ipv6 module is built-in, so you cannot change it<br>
after boot.=C2=A0 But booting with &quot;ipv6.disable_ipv6=3D1&quot; on the=
 command line<br>
should work.<br>
<br>
<br>
Bj=C3=B8rn<br>
</blockquote></div>

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