From: Nicolas Dichtel <nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: "Eric W. Biederman"
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
Cc: khlebnikov-XoJtRXgx1JseBXzfvpsJ4g@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
vvs-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] ipv4: in new netns initialize sysctls in net.ipv4.conf.* with defaults
Date: Thu, 25 Feb 2016 15:20:48 +0100 [thread overview]
Message-ID: <56CF0DC0.7030003@6wind.com> (raw)
In-Reply-To: <87y4a9ix2h.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
Le 24/02/2016 23:05, Eric W. Biederman a écrit :
[snip]
> In the general case the current behavior is random and not something
> applications can count on, and we would do well to fix it so it is less
> random. In particular consider the case of an application in a
> non-initial network namespace creating a new network namespace. It is
> not even possible to predict what values they will get for sysctls
> today.
+1
> From a backwards compatibility standpoint we are probably better off
> with copying from the current network namespace rather than the initial
> network namespace. As that more closely resembles the common case
> today.
+1
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next prev parent reply other threads:[~2016-02-25 14:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-21 7:11 [PATCH] ipv4: in new netns initialize sysctls in net.ipv4.conf.* with defaults Konstantin Khlebnikov
2016-02-21 9:25 ` Vasily Averin
[not found] ` <56C9827D.3010103-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org>
2016-02-21 16:58 ` Konstantin Khlebnikov
2016-02-21 22:06 ` Eric W. Biederman
2016-02-23 23:21 ` David Miller
[not found] ` <20160223.182121.2101846699151527296.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2016-02-24 5:16 ` Konstantin Khlebnikov
[not found] ` <CALYGNiNfuDzPr3+qE82CLVBvSTFQvyAyhWv9kzXbBrUO2jYMTQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-24 15:20 ` David Miller
2016-02-24 22:05 ` Eric W. Biederman
[not found] ` <87y4a9ix2h.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2016-02-25 14:20 ` Nicolas Dichtel [this message]
[not found] ` <56CF0DC0.7030003-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2016-02-25 16:43 ` David Miller
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