[ ... ]
> Third, since my main goal here is to prevent processes from interacting withlibvirt and sandbox use MCS separation for this. Basically they grab
> each other inappropriately, I would like to prevent each HTTP worker from
> reading any information from "/proc" for other HTTP workers. Currently they
> are allowed to do this, because they all run in the same domain. Is there
> any way to prevent this?
>
random MCS labels to separate the processes. I would suggest using two
Categories, s0:c0-c1023,c0-1023 and make sure they are never the same.
s0:c1,c43
s0:c2,c43
Is fine.
s0:c1,c1 is not
Then just set that context and you should get separation. if you need
the processes to handle data it might get a little more complicated.
Thanks! I think I will need to learn a little more about this feature before I can use it. I will need a way to generate a unique category number (maybe from the PID?), and the processes will need to handle some shared data and code, so I will need to figure that out as well.
I will also look in more detail at Apache_SELinux_plus, I had skimmed through the material but I should read it in more detail. Thanks for the tip Ted!
I will see what progress I can make and post again if I have more questions. I really appreciate all the helpful people on this list!
-----Scott.
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