![]() ![]() The challenge is that an architecture with two or three separate processes, each with its own inspection, discovery, and action is likely to be more accurate but may induce latency if the processes are serial in nature. The network firewall may be performing DPI (Deep Packet Inspection) and SSL scanning while the gateway is delivering DLP (Data Loss Protection) and URL filtering. Performance may be improved and latency reduced by spreading security services across multiple devices – network firewalls and secure web gateways. This is a heavy burden for a single system, especially if the organization has a high volume of internet traffic. Not all secure web gateways and network firewalls can perform all those services, nor should they. They do all that firewalls do, but more powerfully and with additional features. ![]() NGFWs evolve and expand upon the capabilities of traditional firewalls. At the same time, network firewall providers make similar claims. A next-generation firewall (NGFW) is a security appliance that processes network traffic and applies rules to block potentially dangerous traffic. DNS (URL filtering), DLP (Data Leakage/Loss Prevention), application-level awareness, and detection of malware are some of the key features promoted by secure web gateway providers. What is a Firewall A firewall is a network security system that monitors and controls over all your incoming and outgoing network traffic based on advanced. They prevent suspicious traffic from entering or leaving the network. By definition, SWGs (Secure Web Gateways) and NGFWs (NextGen Firewalls) have a very similar purpose. ![]()
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