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Dell FluidFS NAS Solutions Administrator's Guide

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Secured Management

Secured management, when enabled, moves all management traffic to one subnet, making all other subnets available only for client access (CIFS/NFS), replication, and NDMP traffic. This prevents users on client (data) access subnets from being able to access any management functions. In FluidFS, the below mentioned ports do not participate in NFS/CIFS communication, but are exposed on the client network. By default, all of the management ports are open on all subnets, along with the others ports needed for client access, replication, and NDMP.
For some users the management traffic must be treated as privileged, and must be exposed only on one subnet. The subnet that secured management is enabled on also has the necessary ports open for client access (CIFS/NFS), replication, and NDMP traffic.
Service
Port
Web Services
80
Web Services
443
FTP
44421
FTP
44422
SSH
22
SOAP
35451
The secured management feature allows enabling secured managementon one specific subnet. By doing so, all management traffic are exclusively limited to that specific subnet. Other subnets will not have any of those groups’ ports listening on them. When secured management is enabled, the FluidFS NAS Manager (Web GUI) must be accessed using secure HTTP, https://<managementVIP>/, instead of just http. When secured management is enabled, port 80 is disabled on all subnets. Secured management can be enabled only after the system is fully deployed.
  • The secured management feature is managed via FluidFS Command Line Interface.
  • To make a subnet secured:
    • It must exist prior to the securing operation
    • It must reside on the client physical network.
    • You must login to CLI from this subnet.
For more information on the secured management CLI command, see the Dell FluidFS NAS Solutions CLI Reference Guide at dell.com/support/manuals.
  • NOTE: Enabling secured management on a subnet does not disconnect existing management sessions that reside on other networks. You are warned if such sessions exist. To ensure that no existing sessions exist, disconnect the reported sessions, disable secured management, and then enable secured management. Verify no other management sessions were reported.

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