Re: [Vserver] secure a guest against the host's root-account

2006-04-25 Thread Serge E. Hallyn
Quoting Oliver Welter ([EMAIL PROTECTED]): > Hi Mike, Serge, > > >>>So, is there any way to do this ? I guess that SELinux/GR will offer > >>>some pointers to forbid root these actions, but are there any "easier" > >>>ways ?? > >>> > >>Sounds like SELinux is the tool of choice for that. > > > >A

Re: [Vserver] secure a guest against the host's root-account

2006-04-25 Thread Sebastian Harl
> "open-up-vservers-like-cracked-eggs.ko"? That sounds interesting - where do I get that one from ;-) -- Sebastian "tokkee" Harl GnuPG-ID: 0x8501C7FC http://tokkee.org/ signature.asc Description: Digital signature ___ Vserver mailing list Vserver@li

Re: [Vserver] secure a guest against the host's root-account

2006-04-25 Thread Serge E. Hallyn
Quoting Eugen Leitl ([EMAIL PROTECTED]): > On Tue, Apr 25, 2006 at 08:25:37PM +1000, Tony Lewis wrote: > > > I think this would be a valuable addition to vservers. One of the risks > > of "renting" a virtual server (pick your flavour) is that you're not > > safe from the hosting sysadmin. If v

Re: [Vserver] secure a guest against the host's root-account

2006-04-25 Thread Eugen Leitl
On Tue, Apr 25, 2006 at 08:25:37PM +1000, Tony Lewis wrote: > I think this would be a valuable addition to vservers. One of the risks > of "renting" a virtual server (pick your flavour) is that you're not > safe from the hosting sysadmin. If vservers could offer something like You are never

Re: [Vserver] secure a guest against the host's root-account

2006-04-25 Thread Tony Lewis
Herbert Poetzl wrote: On Mon, Apr 24, 2006 at 08:02:43AM +0200, Oliver Welter wrote: So, is there any way to do this? definitely, if you plan to pursue this direction, please contact me and I will see what I can do. I think this would be a valuable addition to vservers. One of t

Re: [Vserver] secure a guest against the host's root-account

2006-04-24 Thread Sebastian Harl
Hi there, > Q: Is there a way to prevent that a superuser on the host system can Well, usually one characteristic of a superuser is the right to do _everything_. Even if you use something like SELinux or whatever, most superusers have physical access to their machines in one way or another. IMHO

Re: [Vserver] secure a guest against the host's root-account

2006-04-24 Thread Herbert Poetzl
On Mon, Apr 24, 2006 at 08:02:43AM +0200, Oliver Welter wrote: > Hi Folks, > > this might be a strange question for some of you as it is more an > academical interesst, but I hope you can help me out ;) > > Q: Is there a way to prevent that a superuser on the host system can > > * see process o

Re: [Vserver] secure a guest against the host's root-account

2006-04-24 Thread Oliver Welter
Hi Mike, Serge, So, is there any way to do this ? I guess that SELinux/GR will offer some pointers to forbid root these actions, but are there any "easier" ways ?? Sounds like SELinux is the tool of choice for that. And if your concern is with the host's admins, not with exploited root app

Re: [Vserver] secure a guest against the host's root-account

2006-04-24 Thread Serge E. Hallyn
Quoting Michael S. Zick ([EMAIL PROTECTED]): > On Mon April 24 2006 01:02, Oliver Welter wrote: > > Hi Folks, > > > > this might be a strange question for some of you as it is more an > > academical interesst, but I hope you can help me out ;) > > > > Q: Is there a way to prevent that a superuse

Re: [Vserver] secure a guest against the host's root-account

2006-04-24 Thread Michael S. Zick
On Mon April 24 2006 01:02, Oliver Welter wrote: > Hi Folks, > > this might be a strange question for some of you as it is more an > academical interesst, but I hope you can help me out ;) > > Q: Is there a way to prevent that a superuser on the host system can > > * see process of a guest > *

[Vserver] secure a guest against the host's root-account

2006-04-23 Thread Oliver Welter
Hi Folks, this might be a strange question for some of you as it is more an academical interesst, but I hope you can help me out ;) Q: Is there a way to prevent that a superuser on the host system can * see process of a guest * enter a guest * receive any other valuable info from the guest T