I have the advantage of developing Firewall, IPS, Content Filtering, Proxy, VPN and Antivirus on Windows and Linux. My core competency lies in sufficient software development ability for all networking layers and system programming.Also I have experience for developing destop applications base on windows and linux by using Java, C, C++, etc. Over the last 8 years, I have worked various IT fields. So I have many skill and experience on IT.