A friend found a solution: Type this chattr +i /etc/resolv.conf
And no more problems :) Is it a bug??? I believe yes -- DNS number changes to 10.0.0.138 after some time of pon dsl-provider and Firefox stop working https://launchpad.net/bugs/70156 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
