Cisco Systems Inc. has stopped the sales of PIX (Private Internet Exchange) firewall appliance with effect from July 28, thus ending one of the longest and most successful lives of a gateway security product ever. The PIX was the first Network Address Translation device and had later evolved into a stateful firewall. Cisco said that they will continue to sell add-ons to the PIX series until next year and will support the product until 2013.
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