Re: Integrity EVM / IMA - few questions.

Sven Vermeulen <[email protected]>
Newsgroups gmane.linux.gentoo.hardened
Message-ID <CAPzO=NzbN_q2TtVh7CChm-x0LuSFR3ERGK2oWvfiFXjWCc+XNw@mail.gmail.com>
On Jun 11, 2013 10:11 PM, "Jacek" <[email protected]> wrote:
> Second problem - in progress:
> rootfs mount with i_version flags, /var/log, /var/portage, /home ....
> on  other partitions,  without i_version mount option?
> whether it will work?

You meed i_version mounts otherwise changes on files are not detected and
ima/evm wouldn't update their attributes iirc. That would lead to
inaccessible files then.

> SELinux? I tried several times, but I always have quite a few errors,
while grsec RBAC and configuration in / etc / grsec / policy does not cause
any troubles.

The problem is that these lack labelling support of any kind. Ima policy
cannot be tweaked based on paths, only on contexts (or filesystem types).

Wkr,
  Sven
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