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Am 14.01.2011 13:18, schrieb Andreas Jaeger:
I wonder whether our IPv6 settings are the right ones
the following article (sorry, German only):
We set use_tempaddr to 0 by default (disabling privacy extensions)
and set it to 1 if enabled. The article advises to use 2.
Background: By default (value 0) my IPv6 address will be derived
from my hardware (macaddr) and therefore be the same independend
how I connect to the internet. So, it's easy to track my
So, my proposal is to do the following two changes: * Use 2 instead
of 1 in /etc/rc.d/boot.ipconfig for enabling the privacy
extensions * Set IPV6_PRIVACY=yes in /etc/sysconfig/sysctl
Any concerns with this change?
Btw. here's an Ubuntu bugreport:
Windows (since XP) is doing it the same way on desktops.
I upgraded from 11.4 to Factory recently and found that
IPV6_PRIVACY=yes causes trouble with long lived connections over IPv6
like IRC, ssh and even some http, because it drops the source address
after some time (in my case 5 mins - depending on radvd configuration).
my radvd.conf from radvd-1.1 looks thus:
increasing some livetimes would only reduce but not prevent this effect.
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