From: Greg KH <gregkh@linuxfoundation.org>
To: ds@fastmail.fm
Cc: wireguard@lists.zx2c4.com
Subject: Re: disabling ipv6 with wg-quick
Date: Thu, 16 Nov 2017 12:22:22 +0100 [thread overview]
Message-ID: <20171116112222.GA22221@kroah.com> (raw)
In-Reply-To: <1510826689.1349863.1174432192.27EE87E6@webmail.messagingengine.com>
On Thu, Nov 16, 2017 at 11:04:49AM +0100, ds@fastmail.fm wrote:
> Hi,
>
> Is there a way to disable ipv6 when using wg-quick?
>
> If I have the following line on my conf file:
>
> Address = xx.xx.x.39/32,xxxx:xxxx:xxx:bb01::327/128
>
> wg-quick will fail with the following error:
>
> ~ 2 wg-quick up mullvad-se2
> [#] ip link add mullvad-se2 type wireguard
> [#] wg setconf mullvad-se2 /dev/fd/63
> [#] ip address add xx.xx.x.39/3 dev mullvad-se2
> [#] ip address add xxxx:xxxx:xxx:bb01::327/128 dev mullvad-se2
> RTNETLINK answers: Permission denied
>
> I have ip6 disabled in my system.
>
> Removing xxxx:xxxx:xxx:bb01::327/128 works, but wg-quick still sets ups
> some ipv6 routes `ip -6 ..` etc.
>
> Is there a way to use ipv4 only with wg-quick?
I placed the following in the [Interface] section of the configuration
file to achieve this:
PreUp = sysctl net.ipv6.conf.all.disable_ipv6=1
PostDown = sysctl net.ipv6.conf.all.disable_ipv6=0
It's a horrid hack, but does seem to work.
hope this helps,
greg k-h
next prev parent reply other threads:[~2017-11-16 11:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-16 10:04 ds
2017-11-16 11:22 ` Greg KH [this message]
2017-11-16 12:28 ` Jason A. Donenfeld
2017-11-16 20:31 ` Request: Optional "Comment" [Peer] entry Lonnie Abelbeck
2017-11-17 8:20 ` Manuel Schölling
2017-11-17 8:29 ` Matthias Urlichs
2017-11-17 9:20 ` Jason A. Donenfeld
2017-11-17 13:07 ` Antonio Quartulli
2017-11-20 10:58 ` disabling ipv6 with wg-quick ds
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