Advances in Enterprise Information Technology Security by Mithat Gonen

By Mithat Gonen

Advances in company details know-how safeguard offers a extensive operating wisdom of the entire significant safety concerns affecting todays company IT actions. The chapters during this most advantageous Reference resource are written through a number of the worlds prime researchers and practitioners within the filed of IT defense. There are not any uncomplicated and entire solutions to the problems of protection; for this reason, a number of concepts, thoughts, and purposes are completely tested. This reference paintings provides the instruments to handle possibilities within the box, and is an all-in-one reference for IT managers, community directors, researchers, and scholars.

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WSHPCS (Workshop on Security and High Performance Computing Systems) in conjunction with the 20th European Conference on Modelling and Simulation (ECMS 2006), Bonn, Germany (pp. 736-739). , & Guyennet, H. (2002). IPSec and DNSSEC to support GRID Application Security. Workshop Security in the Second IEEE/ACM International Symposium on Cluster Computing and the GRID, CCGrid2002, Berlin, Germany (pp. 405-407). , & Guyennet, V. (2003). A scalable security architecture for grid applications. GridSec, Second Workshop on Security and Network Architecture, Nancy, France (pp.

All other incoming traffic is forbidden. The resulting architecture for Company A is given in Figure 1. Company B Case Study for Minimal Protection Regarding B company’s requirements, the headquarters network must be protected both from internal and external areas. As such, the most sensitive servers should not be accessible to users, and access should be under the router’s control. The router only blocks the most basic network attack attempts, so to block malicious behaviours and protect internal staff as much as possible, its ACL configuration must be very restrictive.

Moreover, a stronger security access to the extranet Web may be obtained by requiring authentication of partners based on login/password under the control of the LDAP/ RADIUS server. As a result, access control is twofold based on the source IP addresses (done in border router) and the login/password (done in the Extranet Web). , from external area) in the router may look like the following: • • • • • • • SSL connections from partners (based on IP address if known, and login/password) to extranet Web L2TP/IPsec or IPsec tunnel from branch offices (public IP addresses of the branch offices are well known, and routers are authenticated through IPsec tunnel) L2TP/IPsec or IPsec tunnel from remote users (authentication is made through tunnel) SMTP traffic that goes directly to anti-virus MoIP traffic, that goes directly to the MoIP server HTTP traffic, that is directly forwarded to Internet Web server except if it comes from an internal user DNS traffic All other incoming traffic is forbidden.

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