Your organization uses a web server to host an e-commerce site.Because this web server handles financial transactions, you are concerned that it could become a prime target for exploits. You want to implement a network security control that analyzes the contents of each packet going to or from the web server. The security control must be able to identify malicious payloads and block them.What should you do?answerImplement an application-aware IDS in front of the web serverImplement a packet-filtering firewall in front of the web serverImplement an application-aware IPS in front of the web serverImplement a stateful firewall in front of the web serverInstall an anti-malware scanner on the web server
Question
Your organization uses a web server to host an e-commerce site.Because this web server handles financial transactions, you are concerned that it could become a prime target for exploits. You want to implement a network security control that analyzes the contents of each packet going to or from the web server. The security control must be able to identify malicious payloads and block them.What should you do?answerImplement an application-aware IDS in front of the web serverImplement a packet-filtering firewall in front of the web serverImplement an application-aware IPS in front of the web serverImplement a stateful firewall in front of the web serverInstall an anti-malware scanner on the web server
Solution
You should implement an application-aware IPS (Intrusion Prevention System) in front of the web server. This type of system not only analyzes the contents of each packet but also has the ability to block malicious payloads. It is designed to detect and prevent attacks at the application layer, which is where your web server operates. This is more effective than a simple packet-filtering firewall or stateful firewall, which only look at the packet headers and not the payload. An IDS (Intrusion Detection System) can detect potential attacks but does not have the ability to block them. Installing an anti-malware scanner on the web server could help, but it would not provide the same level of network security control as an application-aware IPS.
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