network,

capability,

file,

umount,

# dbus, signal, ptrace and unix are only supported by recent apparmor

# versions. Comment them if the apparmor parser doesn't recognize them.

# This also needs additional rules to reach outside of the container via

# DBus, so just let all of DBus within the container.

dbus,

# Allow us to receive signals from anywhere. Note: if per-container profiles

# are supported, for container isolation this should be changed to something

# like:

# signal (receive) peer=unconfined,

# signal (receive) peer=/usr/bin/lxc-start,

signal (receive),

# Allow us to send signals to ourselves

signal peer=@{profile_name},

# Allow other processes to read our /proc entries, futexes, perf tracing and

# kcmp for now (they will need 'read' in the first place). Administrators can

# override with:

# deny ptrace (readby) ...

ptrace (readby),

# Allow other processes to trace us by default (they will need 'trace' in

# the first place). Administrators can override with:

# deny ptrace (tracedby) ...

ptrace (tracedby),

# Allow us to ptrace ourselves

ptrace peer=@{profile_name},

# Allow receive via unix sockets from anywhere. Note: if per-container

# profiles are supported, for container isolation this should be changed to

# something like:

# unix (receive) peer=(label=unconfined),

unix (receive),

# Allow all unix in the container

unix peer=(label=@{profile_name}),

# ignore DENIED message on / remount

deny mount options=(ro, remount) -> /,

deny mount options=(ro, remount, silent) -> /,

# allow tmpfs mounts everywhere

mount fstype=tmpfs,

# allow hugetlbfs mounts everywhere

mount fstype=hugetlbfs,

# allow mqueue mounts everywhere

mount fstype=mqueue,

# allow fuse mounts everywhere

mount fstype=fuse.*,

# allow bind mount of /lib/init/fstab for lxcguest

mount options=(rw, bind) /lib/init/fstab.lxc/ -> /lib/init/fstab/,

# allow bind mounts of /run/{,lock} to /var/run/{,lock}

mount options=(rw, bind) /run/ -> /var/run/,

mount options=(rw, bind) /run/lock/ -> /var/lock/,

# deny writes in /proc/sys/fs but allow binfmt_misc to be mounted

mount fstype=binfmt_misc -> /proc/sys/fs/binfmt_misc/,

deny @{PROC}/sys/fs/** wklx,

# allow efivars to be mounted, writing to it will be blocked though

mount fstype=efivarfs -> /sys/firmware/efi/efivars/,

# block some other dangerous paths

deny @{PROC}/kcore rwklx,

deny @{PROC}/kmem rwklx,

deny @{PROC}/mem rwklx,

deny @{PROC}/sysrq-trigger rwklx,

# deny writes in /sys except for /sys/fs/cgroup, also allow

# fusectl, securityfs and debugfs to be mounted there (read-only)

mount fstype=fusectl -> /sys/fs/fuse/connections/,

mount fstype=securityfs -> /sys/kernel/security/,

mount fstype=debugfs -> /sys/kernel/debug/,

deny mount fstype=debugfs -> /var/lib/ureadahead/debugfs/,

mount fstype=proc -> /proc/,

mount fstype=sysfs -> /sys/,

mount options=(rw, nosuid, nodev, noexec, remount) -> /sys/,

deny /sys/firmware/efi/efivars/** rwklx,

deny /sys/kernel/security/** rwklx,

mount options=(move) /sys/fs/cgroup/cgmanager/ -> /sys/fs/cgroup/cgmanager.lower/,

mount fstype=cgroup -> /sys/fs/cgroup/**,