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Introduction to next-generation firewalls with Cisco FirePOWER

NGFWs are a part of the third generation of firewall technology, combining a traditional firewall with other network tool filtering functionalities, together with an software firewall that uses an in-line intrusion prevention system (IPS) referred to as deep packet inspection (DPI). Other strategies can also be employed, which include Transport Layer Security/Secure Sockets Layer (TLS/SSL) encrypted traffic inspection, website filtering, nice of service (QoS)/bandwidth management, antivirus inspection, and third-party identification control integration (which include Lightweight Directory Access Protocol (LDAP), RADIUS, and Active Directory).
 
In the past, stateful firewalls with easy packet filtering abilities effectively blocked unwanted applications because maximum programs met the port-protocol expectations. However, today, blocking net applications which includes Facebook, Twitter, and other packages that use port 80 might cause headaches with the entire HyperText Transfer Protocol (HTTP) protocol.
 
Protection based totally on ports, protocols, or Internet Protocol (IP) addresses is no longer reliable nor workable. This truth brought about the development of an identification-based totally safety approach, which takes corporations a step beyond conventional security home equipment that bind protection to IP addresses.
 
NGFWs provide administrators a deeper cognizance of, and control over, individual programs, along with the firewall's deeper inspection capabilities. Administrators can create very granular permit and deny policies for controlling get entry to by web sites and packages within the network
Read More:  cisco ips
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