Reindl Harald wrote: > > > Am 08.04.2012 13:05, schrieb Frantisek Hanzlik: >> Yes, I have it (as You wrote, on kernel cmdline - as having it in >> sysctl.conf seems not enough). But this nothing change on fact that >> 1) I have unwanted things included in kernel > > not really relevant > > we both can not say how much more overhead in kernel > code would be on different places to respect > if it is loaded or not compared with a "module" > which is aware that it is disabled Networking code has especial position, as bugs / problems / misconfigurations in it have strong impact to machine security. And I simply do not want do any ip6tables and other ipv6 security configuration - because I do not want use ipv6 _entirely_ >> 2) something (NetworkManager or other malware;) can easily activate it. > > who told you so? > how can NetworkManager override a KERNEL parameter? Have I after each update supervise whether NM or other stuff made some unwanted changes - maybe even on kernel commandline? And after each reboot again? No, I don´t want it. > in times where it was a loadable module it was the same > you had to make sure to disable it AND it was loaded > most of the time > even if I wipe it from disk most services was able reconstruct it and load again ;) > did you ever notice the dmesg messages about ipv6 is disabled and > you have to reboot to enable it again while it was loaded > all the time (this messages which appear if you remove "quiet" > from the kernel-parameters and most people do not recognize) > >> As module, I can better control how use it and save memory too >> (although when ipv6 stack is disabled entirely, memory requirements >> may be lower - I not study about this) > > the stack is disabled entirely and the memory footprint may > be the same as unloaded module and code paths on different > places which has to check this Here I eventually agree with You. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
