1. These will
typically offer much higher performance than proxies.
2. These ensure
that all packets must be a port of an authorized communication session.
Therefore, a higher level of protection
is provided to users communicating with systems external to the trusted
network.
3. Stateful
Inspection provides a greater level of security control by enforcing security
policies at the "application socket" or port layer as well as the
protocol and address level.
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