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Overview - EdgeWall 7000

The Vernier EdgeWall is a rack-mountable network security appliance that sits transparently in the switching fabric at the edge of the network. The EdgeWall screens user and devices, restricts access within the network, inspects traffic for pattern anomalies, and enforces all remediation policies distributed by the Control Server. The EdgeWall also works with patch management products to assure that software revision levels and patches are up-to-date before a device is admitted to the network.

Complete Network Protection
Distributed EdgeWalls, working with one or more centralized Control Servers, provides network access management across wired and wireless networks.

Dynamic and Granular Network Access
The Control Server offers a simple to use administrative interface to create and modify security, access, connection and user policies for network access management. These policies are dynamically applied based on an array of parameters including user identity, user location, threat levels, patch levels and vulnerability levels. As parameters change in real-time, the access policies may also change in real-time. The Control Server integrates with, and enhances, existing enterprise authentication systems. Its unique granular access control secures an individual user, not a network-defined entity (e.g. IP address, subnet, VLAN, etc.). This enables the fine-grain monitoring, quarantining and blocking of suspicious or untrusted users.

Comprehensive Network Access Management
EdgeWall provides comprehensive network access management by screening all devices and users as they access the network. EdgeWall scans for device vulnerabilities and policy compliance, and checks user authentication and authorization. Only if a device is deemed “compliant” and the user is authenticated, will the EdgeWall allow access to the network. If a device or user does not pass screening, EdgeWall can place that device in a quarantined group to be given limited access, or required to patch before full access is given.

Restrict Access to Unauthorized Resources
EdgeWalls are high-performance appliances that enforce access policies received from Control Servers. In addition to blocking all client traffic until they are authenticated, EdgeWalls inspect all data packets. Based on the established security, identity, and connection policies for a given user, the EdgeWall can admit, block, redirect or discard client data traffic.

Network-wide Policy Enforcement
The EdgeWall detects worms and viruses in real-time, and prevents their propagation to other devices on the network. It also blocks Denial of Service (DoS) traffic, while allowing valid traffic from authenticated users to flow normally. Additionally, the EdgeWall provides tools to identify infected devices, quarantine those contaminated devices, patch and cleanup dirty devices, as well as re-admit the devices to the network.

Deep Packet Filtering and Inspection
Employing a powerful packet inspection engine, EdgeWalls can look deep inside packets to determine the presence of worms or viruses contents. EdgeWalls can also rewrite, redirect or discard client data traffic. For example, suspect packets can be redirected to a quarantine area for further scrutiny while still allowing legitimate traffic to flow normally. This intelligent packet inspection ensures only the traffic designated by that user’s access privileges actually flow through the network.

Real-time Remediation
EdgeWalls can sense and prevent network intrusions before they start. Knowledge of the packet contents, coupled with other “interesting” information such as traffic originating from a suspect source, can be redirected to a quarantine area. Once quarantined, the security administrator can assess the true threat of the suspect device. If necessary the device can be patched or updated to assure that it is clean from worms and viruses. This can prevent malicious attacks from propagating their payloads across the network.

Four High Performance Models for All Organizations
Vernier’s EdgeWall Network Access Management Appliance comes in 4 models to suit a wide variety of needs.

 
 
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