On 29 July 2010 14:40, Daniel Pittman <[email protected]> wrote:
> dave b <[email protected]> writes:
>> On 28 July 2010 12:23, Matthew Hannigan <[email protected]> wrote:
>>> On Tue, Jul 27, 2010 at 04:04:05PM +1000, Ben Donohue wrote:
>>> [ .... ]
>>>> How about a DNS, squid and web server with multiple name based
>>>> virtual domains on the same box?
>>>>
>>>> Is doing the above really dangerous on a fully patched and up to
>>>> date system?
>>>lso depends on the webapp.
>>> I'd be more comfortable with java (especially with security
>>> manager on) which is after all another form of vm.
>> Java is like php, there are also language flaws coming out to bite you real
>> soon. /me mutters something about OH MY THEY ESCAPED FROM THE JVM.
>
> Do you have a reference for that?

Here is a recent example :)
http://blog.cr0.org/2009/05/write-once-own-everyone.html
You can finder older examples as well :)


> ...but why?  What actual security value does that add, compared to the vanilla
> kernels which do, oh, everything listed in their bullet point feature list,
> and out of the box covers over eighty percent of them?

Good :) - but not chroot break out prevention, further aslr improvements etc.

> Pro tip: asserting that an RBAC system will increase security is silly without
> actually understanding how it will be used; people can do things just as badly
> with RBAC as without.

Sure, but grsecurity also has some other features :)
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