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XCCDF
Guide to the Secure Configuration of Alibaba Cloud Linux 3
System Settings
File Permissions and Masks
Restrict Partition Mount Options
Restrict Partition Mount Options
An XCCDF Group - A logical subset of the XCCDF Benchmark
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Restrict Partition Mount Options
System partitions can be mounted with certain options that limit what files on those partitions can do. These options are set in the
/etc/fstab
configuration file, and can be used to make certain types of malicious behavior more difficult.
Value for hidepid option
The hidepid mount option is applicable to /proc and is used to control who can access the information in /proc/[pid] directories. The option can have one of the following values: 0: Everybody may access all /proc/[pid] directories. 1: Users may not access files and subdirectories inside any /proc/[pid] directories but their own. The /proc/[pid] directories themselves remain visible. 2: Same as for mode 1, but in addition the /proc/[pid] directories belonging to other users become invisible.
Removable Partition
This value is used by the checks mount_option_nodev_removable_partitions, mount_option_nodev_removable_partitions, and mount_option_nodev_removable_partitions to ensure that the correct mount options are set on partitions mounted from removable media such as CD-ROMs, USB keys, and floppy drives. This value should be modified to reflect any removable partitions that are required on the local system.