CloudProxy: A NAPT Proxy for Vulnerability Scanners Based on Cloud Computing

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Provided by: Academy Publisher
Topic: Cloud
Format: PDF
Security-as-a-Service (SaaS) is an outsourcing model for security management in cloud computing. Vulnerability scanners based on cloud computing is becoming one of the killer applications in SaaS due to the pay-per-use manner and powerful scanning capability. When performing vulnerability scanning through network, the scanner needs to establish a large number of TCP connections with the target host. To deal with the problem of IPv4 address shortening and to protect the hosts within the organization, the target hosts are almost always deployed behind a NAPT (Network Address and Port Translation) device, TCP packets sent by the scanner outside the network isolated by the NAPT device will be blocked, thus unable to complete the vulnerability scanning task when the scanners are deployed in the cloud.
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