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XCCDF
Guide to the Secure Configuration of Red Hat Virtualization 4
Services
NFS and RPC
Configure NFS Servers
Use Access Lists to Enforce Authorization Restrictions
Use Access Lists to Enforce Authorization Restrictions
An XCCDF Group - A logical subset of the XCCDF Benchmark
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Use Access Lists to Enforce Authorization Restrictions
When configuring NFS exports, ensure that each export line in
/etc/exports
contains a list of hosts which are allowed to access that export. If no hosts are specified on an export line, then that export is available to any remote host which requests it. All lines of the exports file should specify the hosts (or subnets, if needed) which are allowed to access the exported directory, so that unknown or remote hosts will be denied.
Authorized hosts can be specified in several different formats:
Name or alias that is recognized by the resolver
Fully qualified domain name
IP address
IP subnets in the format
address/netmask
or
address/CIDR