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Check: GEN005840

VMware ESX 3 Server: GEN005840 (in version v1 r2)

Title

The NFS server must be configured to restrict file system access to local hosts. (Cat II impact)

Discussion

The NFS access option limits user access to the specified level. This assists in protecting exported file systems. If access is not restricted, unauthorized hosts may be able to access the system's NFS exports.

Check Content

Check the permissions on exported NFS file systems. Procedure: # exportfs -v If the exported file systems do not contain the rw or ro options specifying a list of hosts or networks, this is a finding.

Fix Text

Edit /etc/exports and add ro and/or rw options (as appropriate) specifying a list of hosts or networks which are permitted access. Re-export the file systems.

Additional Identifiers

Rule ID: SV-933r2_rule

Vulnerability ID: V-933

Group Title: GEN005840

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000366	The organization implements the security configuration settings.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
CM-6	Configuration Settings