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About Viper Network Systems
Viper Network Systems develops PacketViper, a intelligent Geo IP Network Filter capable of filtering any country to the port level.  PacketViper removes unwanted probing, fights against DDOS attacks, spam, and much more. With PacketViper on the front lines, security environments become less congested, and more effective. 

About PacketViper:
PacketViper has ripped out the pages of complex geo location filtering, and inserted their own proving Geo IP filtering can be simple, and will improve the network security layer. PacketViper's new thinking of bi-directional per port  filtering performed at the gateway eliminates unwanted network traffic before entering the security environment, proving to lessen the impact of DDOS, spam, port probing, breaches, scanning, and reducing bandwidth usage.
Scampering many preconception that geo location filtering is not effective in a security layer. PacketViper has also ripped away and silenced any preconceived notions that when geo location (country blocking) filtering is enabled, it causes more problems than its worth.

PacketViper comes as a never expiring free starter edition which can be download and tested without any investment needed.  Viper Network Systems has put it in the hands of the customer, to prove definitively PacketViper is the real deal in Geo IP network Filtering.