Network technologies and trends:

Cisco ASA

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January 21, 2016  5:08 AM

What is an error “Number of interfaces…not consistent” in ASA Firewall?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Cisco ASA, Cisco Firewall, Cisco IOS, IOS, Standby

If you are planning to do a hitless upgrade of a failover pair of ASA 5500 X Series firewall from 8.4(6) trail to 9.2(4) trail, you need to be little cautious. As you cannot do a direct upgrade, you need to rely on a interim release. Most people tend to try 9.1(2) as an interim upgrade, when you...

April 29, 2015  4:50 AM

Time to say good-bye for Cisco ASA Intrusion Prevention System

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
APM, Cisco ASA, Cisco Firewall, Cisco security, IPS, Sourcefire

The Cisco ASA CX Context-Aware Security, Cisco Prime Security Manager and Cisco ASA Intrusion Prevention System are no more sold by Cisco, Cisco recently announced End of Sale for the above Cisco Security Products. With the acquisition of Source fire, Cisco is powering up their Security Appliances...


March 8, 2015  4:32 AM

Can Cisco dominate the Next Generation Firewall domain?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco ASA, Cisco Firewall, Cisco security, Fortinet, Security

Recently Cisco announced threat-focused next-generation firewall (NGFW). Cisco is trying to integrate FirePOWER with Cisco ASA to provide the features of next-generation firewall (NGFW). Only time will say how successful Cisco will be capturing the Next Generation firewall market. Currently we...


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