SRA Overview | 11Chapter 2SRA OverviewThis chapter provides an overview of the Dell SonicWALL SRA technology, concepts, basicnavigational elements and standard deployment guidelines. This chapter includes the followingsections:• “Overview of Dell SonicWALL SRA” section on page 11• “Concepts for Dell SonicWALL SRA” section on page 18• “Navigating the SRA Management Interface” section on page 71• “Deployment Guidelines” section on page 79Overview of Dell SonicWALL SRAThe Dell SonicWALL SRA appliance provides organizations with a simple, secure andclientless method of access to applications and network resources specifically for remote andmobile employees. Organizations can use SRA connections without the need to have a pre-configured, large-installation host. Users can easily and securely access email files, intranetsites, applications, and other resources on the corporate Local Area Network (LAN) from anylocation by accessing a standard Web browser.This section contains the following subsections:• “SSL for Virtual Private Networking (VPN)” section on page 11• “SRA Virtual Appliance” section on page 12• “SRA Software Components” section on page 12• “SRA Hardware Components” section on page 13SSL for Virtual Private Networking (VPN)A Secure Socket Layer-based Virtual Private Network (SSL VPN) allows applications andprivate network resources to be accessed remotely through a secure connection. Using SSLVPN, mobile workers, business partners, and customers can access files or applications on acompany’s intranet or within a private local area network.Organizations use Virtual Private Networks (VPNs) to establish secure, end-to-end privatenetwork connections over a public networking infrastructure, allowing them to reduce theircommunications expenses and to provide private, secure connections between a user and asite in the organization. By offering Secure Socket Layer (SSL) VPN, without the expense ofspecial feature licensing, the SRA appliance provides customers with cost-effectivealternatives to deploying parallel remote-access infrastructures.
