PIX Features
The PIX Firewalls, regardless of model number, all provide the same security features. The PIX is a stateful firewall that delivers full protection to the corporate network by completely concealing the nature of the internal network to those outside. The main operating features of the PIX follow:
Sequence random numbering— IP spoofing generally relies on the ability to guess a sequence number. The PIX randomizes the IP sequence numbers for each session. This makes IP spoofing much more difficult to accomplish.
Stateful filtering— This is a secure method of analyzing data packets that is also known as the Adaptive Security Algorithm (ASA). When data traverses from the trusted interface on the PIX to a less trusted interface, information ...
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