netdev - Re: [PATCH net-next 1/2] UDP tunnel encapsulation module for tunnelling different protocols like MPLS,IP,NSH etc.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAF=yD-+rPyf_yraOtB_twooZva3yDMZqb4tLGEp+HKdhE6B1-w@mail.gmail.com>
Date:   Thu, 7 Nov 2019 14:13:47 -0500
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Jiri Benc <jbenc@...hat.com>
Cc:     Martin Varghese <martinvarghesenokia@...il.com>,
        Network Development <netdev@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Jonathan Corbet <corbet@....net>, scott.drennan@...ia.com,
        martin.varghese@...ia.com
Subject: Re: [PATCH net-next 1/2] UDP tunnel encapsulation module for
 tunnelling different protocols like MPLS,IP,NSH etc.

On Thu, Nov 7, 2019 at 2:05 PM Jiri Benc <jbenc@...hat.com> wrote:
>
> On Thu, 7 Nov 2019 13:59:23 -0500, Willem de Bruijn wrote:
> > This still needs only one socket, right? Just fall back to inet if
> > ipv6 is disabled.
>
> What would happen if IPv6 is disabled while the tunnel is operating?

How do you disable ipv6 at runtime?

rmmod is no longer allowed as of commit 8ce440610357 ("ipv6: do not
allow ipv6 module to be removed"). The commit specifically mentions a
dependency by vxlan; that sounds quite similar to this.