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Cisco Firewalls by Alexandre M.S.P Moraes

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Chapter 13. Inspection of Voice Protocols

“I have noticed that nothing I never said ever did me any harm.”Calvin Coolidge

Chapter 12, “Application Inspection,” devotes a great deal of attention to the study of application-level inspection on both IOS-based firewalls and on the Adaptive Security Appliance (ASA). This chapter applies this knowledge to the specific tasks related to protecting IP Telephony (IPT) signaling protocols.

As a matter ...

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