Cisco NGFW Sreies are part of the third generation of firewall technology, uniting a traditional firewall with other network device filtering functionalities, such as an application firewall that uses an in-line intrusion prevention system (IPS) called deep packet inspection (DPI).
In this solution other methods might also be used, such as Transport Layer Security, Secure Sockets Layer (TLS/SSL) encrypted traffic inspection, website filtering, quality of service (QoS), bandwidth management, antivirus inspection and third-party identity management integration (such as LDAP, RADIUS, and Active Directory).
Nowadays The fact that Protection based on ports, protocols, or Internet Protocol (IP) addresses is no longer reliable nor workable, caused the development of an identity-based security approach, which takes organizations a step beyond conventional security appliances that bind security to IP addresses.
Cisco NGFW provide administrators a deeper awareness and better control over individual applications, along with the firewall’s deeper inspection capabilities. Administrators can make very precise allow and deny rules for controlling access by websites and applications in the network.
Innovative firewall technology can also filter traffic based on the applications or traffic types using specific ports. For instance, port 80 could be opened for only selected HTTP traffic, or for specific applications, sites, or services that you allow. Think of it as combination the firewall and QoS functions into one solution.
Cisco NGFWs are known as application-aware firewalls and they are a type of unified threat management (UTM) solution. UTM products usually offer more functions than traditional firewalls, such as antivirus, antispam, or even intrusion prevention systems (IPS).
The well-tuned NGFWs can help with both security and bandwidth control. Because NGFWs are smarter and provide deeper inspection, they have the potential to catch more malicious activity. They can also serve as content filters and provide QoS functions so that higher priority applications receive more priority bandwidth. Along with providing better overall security, NGFWs are in demand due to the increase of cloud services offerings and outsourced software as a service (SaaS) provider.
NGFWv is the virtualized version of Cisco NGFW FirePower firewall. Widely deployed in leading private and public clouds, Cisco FirePower NGFWv automatically scales up/down to meet the needs of dynamic cloud environments and high availability provides resilience. Also, Cisco NGFWv can deliver micro-segmentation to protect east-west network traffic.
Cisco NGFW licenses can be ordered for NGFW devices such as: ASA, Firepower and FTD firewalls. All NGFW licenses can be purchased and managed on the Cisco Smart Software Management website.
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