In applications, and malware or exploit attacks

a world of increasing cybersecurity attacks, all businesses small or big need
to balance the network performance with the network security concerns. There is
a need for high-security architecture to maintain high performance and
effectiveness on applications. Next-generation firewall (NGFW) is the key
solution to maintaining network security without compromising the network

traditional firewall creates a security risk to today’s growing technology
since it can only track traffic in layer 2 -4. The next generation firewall
classifies all traffic and creates comprehensive security policies to safeguard
web applications, content and track identity of end users. This helps in
reducing cyber-attacks within the organization.

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Technologies behind NGFW

combines traditional firewall functionalities with network device filtering
functionality to increase network productivity. It employs deep packet
inspection (DPI) technics by integrating application firewall, intrusion
prevention system (IPS) and network security services to control and monitor
data traffic. The NGFW performs traffic inspection and blocks any attacks on
the system.

features and functionality of packet filtering, network address translation
(NAT), and URL blocking for virtual private networks (VPN) have increased deep
packet inspections and detection of malware reducing the growing number of
sophisticated attacks as well as blocking traffic that exploits the
vulnerability. The IT department should set up controls for monitoring traffic
entering and exiting the network.

Evolution of next-generation firewalls

has reduced modern web-based malware attacks through the introduction of
improved intrusion prevention mechanisms and detection of encrypted
applications. Next-generation firewall filter packets and block any
vulnerabilities, unwanted applications, and malware or exploit attacks on the
fly. Administrators can also create rules to deny access to various
applications on the web by either blocking the associated ports or protocols.
Today, web applications and firmware run over TCP port 80 and blocking this
port will affect all HTTP protocols.

80% of new malware intrusions affect web applications as opposed to creating
weaknesses on the network. Next-generation firewalls operate in layer 2 to 7 of
the OSI model making various protocols and IP addresses more reliable.
Introduction of Identity-based security approach puts the organization at the
forefront security appliance to incorporate security on various IP addresses.


How next generation works

1.      The
firewall identifies and controls applications: Using various user based
applications, an IT administrator need to gain control over the network
applications and limit traffic to approved applications.

2.      Prevent
threats: Another major application of NGFW is to monitor for any type threat on
the installed application. Creates security policies based on all traffic to
connected devices, applications, end users, and content.

3.      Simplify
network infrastructure: NGFW is used as a tool to increase network visibility
and control as well as a security infrastructure to monitor network traffic and
save on the cost of cyber-attacks. NGFW protects users and applications through
anti-virus, spam filtering and carrying out deep packet inspection.


Benefits of implementing next-generation

Increased visibility and control: the next generation firewall creates a
lot of visibility to network traffic on users, applications, and devices. It
supports the highest performance of network through control mechanism intended
for intrusion prevention and malware protection.

Automated security: using innovation security infrastructure features
helps deal with sophisticated cyber-attacks. Real-time network monitoring
indicates a possible attack or threats on the network.

Protects users and data threats: NGFW is integrated with other security
platforms to block cyber-attacks to users and data. The chosen security control
measure should deliver the most robust performance as well as carry out network
analytics and reporting.

Increase network productivity: Network administrators set up controls to
manage the business and non-business applications, monitor network security,
and performance, scan files and ensure infected files do not slip unnoticed
under heavy firewall load. Application control technologies are applied to SSL
encrypted traffic to ensure no new malware vector is brought to the network.

Customized reports: NGFW provides customized reports to enable IT
security personnel monitor web activity of the users, network outages and any
security breaches in real-time.


A good NGFW should provide:

1.      Standard
first-generation firewall capabilities using protocols like network-address
translation (NAT), stateful protocol inspection (SPI) and virtual private
networking (VPN).

2.      Use
SSL decryption mechanisms to identify any malicious encrypted applications.

3.      Increased
visibility, application awareness, and control.

4.      Using
directory-based policies to incorporate information outside the firewall.

5.      Use
integrated signature-based IPS engine.

6.      Configure
the firewall to generate reports on future security threats.

7.      Non-disruptive
in-line bump-in-the-wire configuration.

the next-generation firewall will not only utilize your network performance but
also ensure there is maximum network security. The more traffic your firewall
can see, the better it can protect it.


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