Home Data Center Citrix: Separating NetScaler Management and Data Traffic for DISA STIGs

Citrix: Separating NetScaler Management and Data Traffic for DISA STIGs

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Citrix: Separating NetScaler Management and Data Traffic for DISA STIGs
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NetScaler natively separates out management vs data communication through two different types of IP address. A NetScaler IP (NSIP) can be considered the management IP of the NetScaler and is used for management access (GUI, SSH, Telnet, etc.). It is also used to source various other management traffic including:

  • LDAP, Radius, TACACS, Kerberos authentication
  • Perl Monitors
  • SNMP
  • Syslog
  • NTP
  • GSLB synchronization
  • High Availability Traffic
  • Licensing
  • NetScaler MAS communication

A Subnet IP (SNIP) is mainly used to source data traffic from the NetScaler to other devices. When a NetScaler is initially setup, it will generally contain a single NSIP and a single SNIP. On creation of the NSIP, the NetScaler will create a default route (0.0.0.0/0) using the configured NSIP network gateway. When a SNIP is created, a direct route will be created from that SNIP to its Layer-2 network. This means that by default, to contact an IP that is not on a SNIP network, the NetScaler will always send data through the NSIP router. This is not desirable if you are attempting to separate all management and data packets!

Read the entire article here, Separating NetScaler Management and Data Traffic for DISA STIGs

Via the fine folks at Citrix Systems, Inc.

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Citrix Systems Citrix (NASDAQ:CTXS) aims to power a world where people, organizations and things are securely connected and accessible to make the extraordinary possible. Its technology makes the world’s apps and data secure and easy to access, empowering people to work anywhere and at any time. Citrix provides a complete and integrated portfolio of Workspace-as-a-Service, application delivery, virtualization, mobility, network delivery and file sharing solutions that enables IT to ensure critical systems are securely available to users via the cloud or on-premise and across any device or platform. With annual revenue in 2015 of $3.28 billion, Citrix solutions are in use by more than 400,000 organizations and over 100 million users globally. Learn more at www.citrix.com.

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