Am 08.04.2012 13:27, schrieb Alchemist: > I have disabled ipv6 permanently since F14, and no problem. Just add > "install ipv6 /bin/true to /etc/modprobe.d/dist.conf"(old variant) or > "blacklist ipv6" to /etc/modprobe.d/blacklist.conf and > "net.ipv6.conf.all.disable_ipv6 = 1" to /etc/sysctl.conf. There is > nothing you cant control in your Fedora setup. but if you would take a look now you would recognize that this all does no longer work since we are no longer speak about a loadable module and that is why you have to add "ipv6.disable=1" as kernel parameter with recent kernel builds of F15/F16 > net.ipv6.conf.all.disable_ipv6 = 1 this is nice but only a part of the game and does not disbale ipv6 completly! try "netstat --numeric-hosts --numeric-ports --notrim --programs -u -t -l" and you will see ntpd and samba as example listen on the ipv6 loopback and also error messages in this context in several services if you do this after machine has bootet AGAIN: "ipv6.disable=1" as kernel-param is the only real way to disable ipv6 at all in recent kernels and after that even your proposed sysctl parameters will lead in errors because after disable it they are no longer present
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