Design And Implementation Of Tailong Bank’s Mobile Office Gateway Sysem

With the increasing use of bank’s information systems, more and more daily works of bank staff can not be separated from IT operating systems and networks. For the importance of the bank’s internal networks and applications, the internal network usually physically isolated with the Internet. At present, TaiLong Bank also separate the internal network from external network. Staff can not access any internal business systems outside. However, with the continuous development of the bank and the branches expansion, more and more managers and staff travels will become more frequent.But they also need to access the bank’s OA system and internal e-mail systerm to deal with necessary documents treatment and to get relevant business informations. Currently exsiting requirement of fixed place and fixed equipment officing will cause some constraints on bank staff efficiency. The bank mobile office system will be a good resolution of this restriction.TaiLong Bank mobile office gateway system achieves the connection and interlink with the internet and the internal bank OA office system through the deployment of secure Internet gateway system,gets rid of the limitations of time and place. It helps bank staff portalblly handling official business at any time to improve working efficiency. Building mobile office gateway system can connect a variety of original TaiLong Bank IT systems, including OA, email, and other types of personalized business systems, making staff be able to handle officical business anywhere. Therefor, the construction of a mobile office gateway system addresses staff’s needs of remote mobile office, makes users more easily handle a large number of daily work.Currently in China, due to various industries have different work processes and different business needs, mobile office has no uniform technical standards and operating procedures, so the industries develop products according to the demand in customized way. By researching and analysising TaiLong Bank’s mobile office project, sorting its business processes of mobile office system, we can come to a consolution that the core technology of TaiLong bank’s mobile office system is a gateway system construction.TaiLong Bank’s mobile office gateway system uses load balancing device to achieve the network load balancing,and uses the three–tier firewall heterogeneous manner to anchieve the security policy configuration.It achieves the remote login by enabling Web vpn function on firewall and uses intrusion prevention system to detect and prevent illegal intrusion.It uses secure authentication gateway and authentication server software for secure access user authentication, authorization, and auditing. Mobile office network gateway system will be divided into INTERNET, DMZ, TRUST and OA four regions, which INTERNET zone security level is 0, the security levelof DMZ area is 50, the security level of TRUST area is 80, while the OA region security level is compared with 100.By implementing mobile office gateway system,we can complete a simple, user-friendly, safe, stable and efficient mobile office gateway system to meet the demand of internal bank network officing via the internet remote access.