Chapter 8. Perimeter Security with Cisco Adaptive Security Appliance

It is 7 a.m. and your mobile rings. An onsite IP Telephony engineer is online with you explaining that there was an attack attempted on organization XYZ’s IP Telephony network. The attackers tried contravening the network perimeter security, but Cisco Adaptive Security Appliance (ASA) Firewall was unyielding and saved the day! You feel relaxed but anxious as to who might have attempted the attack. Paranoia about how you can ensure that next time they cannot break into your IP Telephony data center and wreak havoc.

While it is true that an organization can lose money and important data because of lack of security, it is more vital to sustain a good reputation so that the clientage ...

Get Securing Cisco IP Telephony Networks now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.