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XCCDF
Guide to the Secure Configuration of Red Hat Enterprise Linux 7
Services
NFS and RPC
Configure NFS Servers
Use Root-Squashing on All Exports
Use Root-Squashing on All Exports
An XCCDF Rule
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Use Root-Squashing on All Exports
Unknown Severity
If a filesystem is exported using root squashing, requests from root on the client are considered to be unprivileged (mapped to a user such as nobody). This provides some mild protection against remote abuse of an NFS server. Root squashing is enabled by default, and should not be disabled.
Ensure that no line in
/etc/exports
contains the option
no_root_squash
.