| Android has become most wildly used mobile operating system due to its openness, high adaptability and good user experience. With the popularity of the Android system, China Southern Airlines customer service centers have begun to use Android mobile device in office.Using Android devices for the Mobile Office brings us not only convenience in working,but also challenges in company's information security and employee management. There have been a lot of sophisticated network monitoring software on the windows platform, but the Android platform has no mature similar software. How to prevent employees from using Android devices office leaking company secrets, or using Android device for entertainment during working hours has become a more pressing issue.To solve the above problems, the present research project studies the packet capture technology based on the libpcap, packet filtering technology based on netfilter / iptables, task stack monitoring technology in Android. Based on these technologies, we achieved packet sniffing and analytic functions, applications network access control function, application lock function and background uploading screenshots function.In this system, managers can view screenshots, analysis and record send and received data packets in employee's Android device on the server side real-time. At the same time,managers can also restrict employee use of office Android device via the server settings,including applications networking authority changing and application lock.Applications networking authority controlling can prevent the company confidential information being uploaded, capturing and recording data packets can trace the person responsible in leaking confidential information, the application lock can prevent employees from using work Android devices entertainment, real-time screen shots can supervise employees working condition. After testing, software design goals well done to facilitate the company's management. |
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