On Tue, 2009-08-25 at 15:04 +1000, Craig Small wrote:
> On Fri, Aug 14, 2009 at 12:04:55AM +0200, Christoph Anton Mitterer wrote:
> > The issue that sysctl MUST be loaded BEFORE network interfaces are
> > brought up (for security reasons).... is this secured by the LSB
> > init script headers?
> You're saying it should be done before the interfaces are brought up,
> but the bug report is about sysctl running too early.
Yes,... after the modules (such that the /proc entries are actually
there),.. but before the interfaces (such that no network is open, while
potential security important options are not yet set).


> > I mean now that insserv and concurrent booting moves to be the
> > default... it's quite important to secure this, IMHO.
> The problem is you are trying to satisfy two mutually exclusive
> requirements.  No matter where sysctl is run, it is too early or two
> late for something.
> 
> Now with insserv, perhaps there is a place it can be run, before the
> interfaces are configured but after the module is loaded, if such a
> place exists.
That's the thing I was asking for :) But the problem is (AFAIK) that
with LSB dependencies one can only specify depends and not kind of
reverse depends.


Chris.

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