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This chapter is from the book

This chapter is from the book

Summary

This section summarizes the key points in this chapter.

  • The PIX offers an application-aware feature called a fixup protocol to enable the PIX to respond to the needs of complex mutlichannel applications by monitoring their control channels and dynamically opening and closing ports as needed by the protocol being monitored.

  • The PIX is able to securely handle the popular RTSP and H.323 multimedia protocols.

  • The PIX also features attack guards to mitigate threats to e-mail servers, DNS responses, fragmentation attacks, and certain types of DoS attacks.

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