In applications, and malware or exploit attacks

Ina world of increasing cybersecurity attacks, all businesses small or big needto balance the network performance with the network security concerns. There isa need for high-security architecture to maintain high performance andeffectiveness on applications. Next-generation firewall (NGFW) is the keysolution to maintaining network security without compromising the networkperformance. Thetraditional firewall creates a security risk to today’s growing technologysince it can only track traffic in layer 2 -4.

The next generation firewallclassifies all traffic and creates comprehensive security policies to safeguardweb applications, content and track identity of end users. This helps inreducing cyber-attacks within the organization.Technologies behind NGFWNGFWcombines traditional firewall functionalities with network device filteringfunctionality to increase network productivity. It employs deep packetinspection (DPI) technics by integrating application firewall, intrusionprevention system (IPS) and network security services to control and monitordata traffic. The NGFW performs traffic inspection and blocks any attacks onthe system.Additionalfeatures and functionality of packet filtering, network address translation(NAT), and URL blocking for virtual private networks (VPN) have increased deeppacket inspections and detection of malware reducing the growing number ofsophisticated attacks as well as blocking traffic that exploits thevulnerability.

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The IT department should set up controls for monitoring trafficentering and exiting the network.Evolution of next-generation firewallsNGFWhas reduced modern web-based malware attacks through the introduction ofimproved intrusion prevention mechanisms and detection of encryptedapplications. Next-generation firewall filter packets and block anyvulnerabilities, unwanted applications, and malware or exploit attacks on thefly. Administrators can also create rules to deny access to variousapplications on the web by either blocking the associated ports or protocols.

Today, web applications and firmware run over TCP port 80 and blocking thisport will affect all HTTP protocols.Almost80% of new malware intrusions affect web applications as opposed to creatingweaknesses on the network. Next-generation firewalls operate in layer 2 to 7 ofthe OSI model making various protocols and IP addresses more reliable.Introduction of Identity-based security approach puts the organization at theforefront security appliance to incorporate security on various IP addresses.

 How next generation works1.      Thefirewall identifies and controls applications: Using various user basedapplications, an IT administrator need to gain control over the networkapplications and limit traffic to approved applications.2.      Preventthreats: Another major application of NGFW is to monitor for any type threat onthe installed application. Creates security policies based on all traffic toconnected devices, applications, end users, and content.

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

 Benefits of implementing next-generationfirewall 1.     Increased visibility and control: the next generation firewall creates alot of visibility to network traffic on users, applications, and devices. Itsupports the highest performance of network through control mechanism intendedfor intrusion prevention and malware protection.2.

     Automated security: using innovation security infrastructure featureshelps deal with sophisticated cyber-attacks. Real-time network monitoringindicates a possible attack or threats on the network.3.     Protects users and data threats: NGFW is integrated with other securityplatforms to block cyber-attacks to users and data.

The chosen security controlmeasure should deliver the most robust performance as well as carry out networkanalytics and reporting. 4.     Increase network productivity: Network administrators set up controls tomanage the business and non-business applications, monitor network security,and performance, scan files and ensure infected files do not slip unnoticedunder heavy firewall load. Application control technologies are applied to SSLencrypted traffic to ensure no new malware vector is brought to the network.5.

     Customized reports: NGFW provides customized reports to enable ITsecurity personnel monitor web activity of the users, network outages and anysecurity breaches in real-time. A good NGFW should provide:1.      Standardfirst-generation firewall capabilities using protocols like network-addresstranslation (NAT), stateful protocol inspection (SPI) and virtual privatenetworking (VPN).2.      UseSSL decryption mechanisms to identify any malicious encrypted applications.3.

      Increasedvisibility, application awareness, and control.4.      Usingdirectory-based policies to incorporate information outside the firewall.5.      Useintegrated signature-based IPS engine.

6.      Configurethe firewall to generate reports on future security threats.7.      Non-disruptivein-line bump-in-the-wire configuration.

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


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