netdev - RE: [PATCH] ipv6: honour non local bind

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Message-ID: <DUB123-W108DA950E52906D29ADEC4EDA00@phx.gbl>
Date:	Thu, 9 Oct 2014 19:07:52 +0200
From:	Lukas Tribus <luky-37@...mail.com>
To:	"michele.dionisio@...il.com" <michele.dionisio@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"yoshfuji@...ux-ipv6.org" <yoshfuji@...ux-ipv6.org>
Subject: RE: [PATCH] ipv6: honour non local bind

Hi Michele,


> I see that net.ipv4.ip_nonlocal_bind = 1 does not works on ipv6 if
> you try to bind on not local ip.
> An easy test to see the issue using python is:
>
> set net.ipv4.ip_nonlocal_bind = 1 and in python shell try to execute
>
> import socket
> s = socket.socket(family=socket.AF_INET6)
> s.bind(('2a01:84a0:1001:A001:0000:0:0015:8', 1234))
>
> you receive an error. In ipv4 it works.
>
> The patch attached solve the issue


This has been proposed in the past and refused:
http://marc.info/?t=132369669000005&r=1&w=2

You will have to set the available socket options from the application.



Regards,

Lukas


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