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Update how to setup a policy namespace for containers

John Johansen 2019-05-16 22:02:55 +00:00
parent 48bc055731
commit ae492d11a1
1 changed files with 59 additions and 0 deletions
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59
how-to-setup-a-policy-namespace-for-containers.md

@ -16,6 +16,18 @@ This document is split into sections outlining a how to/example for different co
## apparmor host, apparmor container
lsm=apparmor
```
lsm="yama,loadpin,safesetid,integrity,apparmor"
```
or config
```
CONFIG_LSM="yama,loadpin,safesetid,integrity,apparmor"
```
### No host policy on container
```
sudo mkdir /sys/kernel/security/apparmor/policy/namespaces/${NS_NAME}
@ -51,8 +63,28 @@ and to cleanup after the container has exited
This is not currently possible due to smack not having namespacing support. Any smack policy in the container will also apply to the host
```
lsm="yama,loadpin,safesetid,integrity,apparmor,smack"
```
or config
```
CONFIG_LSM="yama,loadpin,safesetid,integrity,apparmor,smack"
```
## smack host, apparmor container
```
lsm="yama,loadpin,safesetid,integrity,smack,apparmor"
```
or config
```
CONFIG_LSM="yama,loadpin,safesetid,integrity,smack,apparmor"
```
### No host policy on container
```
@ -226,6 +258,20 @@ or config
CONFIG_LSM="yama,loadpin,safesetid,integrity,smack,apparmor"
```
or
Modify /etc/default/grub so it looks like the following and run update-grub to update the grub menu. Then reboot.
```
# grep GRUB_CMDLINE_LINUX_DEFAULT /etc/default/grub
###GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX_DEFAULT="security=smack,apparmor"
# update-grub
```
After reboot,
## Ubuntu Kernels
Some Ubuntu kernels carry a version of the LSM stacking patch set and apparmor necessary to use apparmor stacked with another LSM.
@ -254,6 +300,19 @@ or config
CONFIG_????
or
Modify /etc/default/grub so it looks like the following and run update-grub to update the grub menu. Then reboot.
```
# grep GRUB_CMDLINE_LINUX_DEFAULT /etc/default/grub
###GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX_DEFAULT="security=smack"
# update-grub
```
After reboot,
# Ensuring apparmor is enabled