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Dell FluidFS Version 6.0 FS8600 Appliance Deployment Guide

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Enabling Secured Management

By default, all FluidFS cluster management ports are open on all subnets, along with the other ports needed for client access (SMB/NFS), replication, and NDMP. Secured management, when enabled, exclusively limits all management traffic to one specific subnet.

The subnet on which secured management is enabled also has the necessary ports open for client access, replication, and NDMP traffic. Other subnets will not have any of the management ports listening on them, making them available only for client access, replication, and NDMP traffic. This restriction prevents users on client (data) access subnets from accessing any FluidFS cluster management functions.

In FluidFS, the ports listed in the following table do not participate in SMB/NFS communication, but are exposed on the client network by default. Enabling secured management allows you to expose the management ports on a management subnet only.

Service Port
Web Services 80
Secure Web Services 443
FTP 44421
FTP (Passive) 44430–44439
FTPS 990
SSH 22
Dell Storage Manager communication 35451
Secured management can be enabled only after the system is deployed. To make a subnet secure:
  • The subnet must exist prior to enabling the secured management feature.
  • The subnet can reside on the client network (subnet-level isolation of management traffic) or the LOM (Lights Out Management) Ethernet port (physical isolation of management traffic). The LOM Ethernet port is located on the lower-right side of the back panel of a NAS controller.
  • You must log in from this subnet.

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