Abstract While pre-configured or “fat” client is preferential for most network users, many IT organizations are making the switch to a thin client or SSL VPN model in order to reduce costs and better protect their network from security risks. Unlike a fat clients or IPSec VPN, thin client enables remote users to access the network from any computer equipped with an Internet connection and standard web browser. No longer are remote users limited to using specially- configured laptops provided by the IT department, as is the case with more traditional VPN models. IPSec VPN may be especially useful in areas where the IT administrator tightly controls and manages only a small number of remote workstations, while with fat client VPN systems administrators can allow users to have a greater level of access. However, users now can have the best of both worlds with SonicWall™NetExtender thin client technology for Secure Mobile Access 100, TZ, NSaand NSvfamilies. The tech brief below explains how. Introduction With SonicWall NetExtender, users enjoy seamless and secure network layer access to the intranet, file, desktop and terminal resources, including Microsoft®Outlook®and Microsoft Office 365. Pushed transparently onto the client’s desktop, laptop or smartphone, the thin client enhances users’ capabilities and significantly reduces the IT administrative costs and time required to maintain and manage remote access. SonicWall NetExtender Simplified and secure end user access for anywhere, NetExtender adds more power to the SonicWall SMA 100 and firewalls, adding capabilities such as seamless and secure access to any resource on the corporate network including servers or custom applications. Unlike a fat client, NetExtender extends thin client transparently to the client’s desktop or laptop, and installs it automatically to facilitate this broader level of access. It assigns remote users an IP address from a preset pool of IP addresses, enabling them to access any TCP/IP-based resource on the corporate network including a wide variety of legacy applications and services. Remote users gain Layer-3 level access to the protected internal network. The user experience is similar to that of a traditional IPSec VPN client, except that manual client installation is not required. Additionally, users do not have to worry about Network Address Translation (NAT) devices and proxies, which are the bane of traditional IPSec-based VPNs. NetExtender creates a virtual adapter for secure point-to- point access to any allowed host or subnet on the internal network. Unlike the stateless nature of the traditional SSL VPN, NetExtender stays resident on the client machine even after the connection is closed. The advantage of running NetExtender as a resident application on the remote system is that it speeds up login times in subsequent uses. Of course, if a remote user chooses to deploy the standalone NetExtender client on their remote machine, but later logs in from a separate machine, he or she can still gain access with no problems at all. Users can access NetExtender easily in the traditional way from any machine using the browser portal. They can also select the Uninstall on browser exit option to have NetExtender remove itself after the session ends. Extend network access through native clients. With NetExtender technology, remote users will gain: Access to email through native clients residing on the user’s laptop, including everything from Microsoft®Outlook to commercial or property applications and flexible network access. Enforce granular access control policies. By deploying the SonicWall NetExtender, along with SonicWall Capture Client, on the remote workstations, administrators can enforce a policy that requires every remote workstation that accesses the network to have current versions of anti-virus and anti-spyware software up and running. SonicWall NetExtender Deliver seamless, secure network layer access from anywhere.
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