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docker-default
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#include <tunables/global> | |
profile docker-default flags=(attach_disconnected,mediate_deleted) { | |
#include <abstractions/base> | |
network, | |
capability, | |
file, | |
umount, | |
signal (receive) peer=unconfined | |
, | |
signal (send,receive) peer=docker-default, | |
deny @{PROC}/* w, # deny write for all files directly in /proc (not in a subdir) | |
# deny write to files not in /proc/<number>/** or /proc/sys/** | |
deny @{PROC}/{[^1-9],[^1-9][^0-9],[^1-9s][^0-9y][^0-9s],[^1-9][^0-9][^0-9][^0-9]*}/** w, | |
deny @{PROC}/sys/[^k]** w, # deny /proc/sys except /proc/sys/k* (effectively /proc/sys/kernel) | |
deny @{PROC}/sys/kernel/{?,??,[^s][^h][^m]**} w, # deny everything except shm* in /proc/sys/kernel/ | |
deny @{PROC}/sysrq-trigger rwklx, | |
deny @{PROC}/kcore rwklx, | |
deny mount, | |
deny /sys/[^f]*/** wklx, | |
deny /sys/f[^s]*/** wklx, | |
deny /sys/fs/[^c]*/** wklx, | |
deny /sys/fs/c[^g]*/** wklx, | |
deny /sys/fs/cg[^r]*/** wklx, | |
deny /sys/firmware/** rwklx, | |
deny /sys/kernel/security/** rwklx, | |
# suppress ptrace denials when using 'docker ps' or using 'ps' inside a container | |
ptrace (trace,read) peer=docker-default, | |
} |
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workflow
setup
sudo cp docker-default /etc/apparmor.d/containers/docker-default-secure
sudo apparmor_parser -r /etc/apparmor.d/containers/docker-default-secure
edit
sudo vim /etc/apparmor.d/containers/docker-default-secure
# make changessudo apparmor_parser -r /etc/apparmor.d/containers/docker-default-secure
reload, changes are immediately applied to containersrun
docker run --security-opt="apparmor:docker-default-secure" -d nginx
or in docker-compose: