Review: Palisade Systems Protects Privacy In a Wizarding Way

Solution providers need to address that issue also. Palisade Systems aims to equip the channel to combat the threat with a powerful tool in the form of its PacketSure appliance.

PacketSure is a network appliance that uses deep packet inspection technology to protect private data and control the flow of data on the network. PacketSure monitors TCP/IP or UDP traffic either passively or inline and blocks traffic by protocol at the edge the network.

Palisade bundles in a default set of more than 140 customizable signature-based rules to drive the filtering process. In most cases, security administrators will create additional custom rules based on keyword matching or extended regular expressions to manage specific traffic. When content is processed that meets rule criteria, the appliance can then take the action specified by the rule: log, block, or allow.

While rules-based packet control is nothing new, Palisades takes a new approach by using intelligent wizards to build policies that are used to allow or block traffic based on applications. What's more, PacketSure is designed to enforce compliance regulations, in other words, it keeps private data private and backs up that claim with comprehensive reports.

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Deploying the appliance is a straightforward process. The unit is usually attached at the main entry point of the network or inline between the primary network switch and subnets. The product's ability to monitor all traffic and applications gives administrators real time insight to what is occurring on the network. That traffic can be logged and then used to build policies. Its ability to block applications is a real bonus when administrators are looking to shut down unauthorized traffic.

For example, a policy can be defined to block applications such as Skype or IM clients or even VPN clients. The granular control given to the administrator translates to usable power in the form of network control and compliance. There is an additional benefit offered by application control and that comes in the form of increased available bandwidth. By blocking unauthorized applications, network managers recover bandwidth that otherwise would have been sapped by those applications.

To further protect privacy, PacketSure has the ability to examine the type of data being transmitted and recognize patterns, such as social security numbers and credit card numbers. Policies can be defined to either allow or block that type of information based upon the application using it.

NEXT: Application Control Gets Granular For example, a billing program may allow credit card information to travel over the wire, while it still is blocked in an email or instant message. Pattern matching can be defined further by accessing local databases, The PacketSure device can be trained to gather information from corporate databases and determine if any of that data is being passed through any unauthorized applications.

Administrators will find the appliance a snap to use. A clearly defined menu leads users directly to the elements to create and manage policies. That ease of use extends to both logging and reporting tools. The learning curve should be minimal for any administrator with a basic network and security knowledge.

Policies can be quickly modified to allow certain users extended rights or even control access by a schedule. Perhaps a business may want to block all IM traffic, except during lunch, and when that traffic is allowed, still monitor it for privacy concerns. Rules and policies can be defined for specific groups, such as allowing the HR department to have access to social security numbers, but block the transmission of that data from the rest of the organization.

The simple method of blocking, allowing or logging traffic helps to keep administrators in control of the data stream. Logging proves to be a valuable capability for discovering what traffic is on the network when and who is generating it. For the ultimate in privacy protection, administrators can choose to block all traffic and then create rules for only the traffic that is allowed.

All things considered, PacketSure proves to be a powerful tool that allows solution providers to come to terms with the new expression "corporate privacy" and works as an ideal product for solution providers looking for a piece of the compliance pie.