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EMC® VNX® Series Security Configuration Guide for VNX

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Management support for FIPS 140-2

Federal Information Processing Standard 140-2(FIPS 140-2) is a standard that describes US Federal government requirements that IT products should meet for Sensitive, but Unclassified (SBU) use. The standard defines the security requirements that must be satisfied by a cryptographic module used in a security system protecting unclassified information within IT systems. To learn more about FIPS 140-2, refer to FIPS 1402-2 publication.

VNX systems, starting with VNX for block OE 31.5 and VNX for file OE 7.1, support a FIPS 140-2 mode for the SSL modules on the Storage Processor (SP) and Control Station (CS) that handle client management traffic. Management communication into and out of the system is encrypted using SSL. As a part of this process, the client and the storage management server negotiate an agreed upon cipher suite to use in the exchange. The use of the FIPS 140-2 mode restricts the allowable set of cipher suites that can be selected in the negotiation to only those that are sufficiently strong. If the FIPS 140-2 mode is enabled, you may find that some of your existing clients can no longer communicate with the management ports of the system if they do not support a cipher suite of acceptable strength. FIPS Mode cannot be enabled on a VNX system when non-FIPS-compliant certificates exist in the certificate store for file or block. You must remove all non-FIPS compliant certificates from the VNX system before you enable the FIPS 140-2 mode.

Managing FIPS 140-2 mode on a VNX unified system

Only the Administrator or Security Administrator has the privileges to manage the FIPS 140-2 mode. Use either of the following block or file CLI commands to set the FIPS 140-2 mode on a VNX unified system. Using either command affects the entire VNX:

Block CLI:

naviseccli -h <SP_IP_address> security -fipsmode -set 0|1 [-o]

  • 0 will set it to non-FIPS 140-2 mode
  • 1 will set it to FIPS 140-2 mode

File CLI:

nas_fipsmode -enable will set it to FIPS 140-2 mode.

nas_fipsmode -disable will set it to non-FIPS 140-2 mode.

Use either of the following block or file CLI commands to determine the current FIPS 140-2 mode for the entire VNX:

Block CLI:

naviseccli -h <SP_IP_address> security -fipsmode -get

File CLI:

nas_fipsmode -info

When you set the FIPS 140-2 mode on a VNX unified system, the storage management server will restart. For that brief period, management commands to both SPs and the Control Station will be blocked. However, this action should not effect the input/output operations happening on the storage system.

NOTE:On systems with two Control Stations, CS0 will fail over to CS1 when you set the FIPS 140-2 mode.

Managing FIPS 140-2 mode on a VNX for block system

Only the Administrator or Security Administrator has the privileges to manage the FIPS 140-2 mode. Use the following block CLI command to set the FIPS 140-2 mode on a VNX for block system:

naviseccli -h <SP_IP_address> security -fipsmode -set 0|1 [-o]

  • 0 will set it to non-FIPS 140-2 mode
  • 1 will set it to FIPS 140-2 mode

Use the following block CLI command to determine the current FIPS 140-2 mode for the VNX for block system:

naviseccli -h <SP_IP_address> security -fipsmode -get

When you set the FIPS 140-2 mode on a VNX for block system, the storage management server will restart. For that brief period, management commands to both SPs will be blocked. However, this action should not effect the input/output operations happening on the storage system.

Managing FIPS 140-2 mode on a VNX for file or Gateway system

Only the Administrator or Security Administrator has the privileges to manage the FIPS 140-2 mode. Use the following file CLI command to set the FIPS 140-2 mode on a VNX for file or Gateway system.

nas_fipsmode -enable will set it to FIPS 140-2 mode.

nas_fipsmode -disable will set it to non-FIPS 140-2 mode.

Use the following file CLI command to determine the current FIPS 140-2 mode on a VNX for file or Gateway system.

nas_fipsmode -info

When you set the FIPS 140-2 mode on a Gateway system, the NAS service on the Control Station will restart. For that brief period, management commands to the Control Station will be blocked. However, this action should not effect the input/output operations happening on the VNX for file or Gateway system.

NOTE:On systems with two Control Stations, CS0 will fail over to CS1 when you set the FIPS 140-2 mode.

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