tailieunhanh - AT&T Wireless IP Network Security

Security professionals understand that these gaps exist and represent risks for them. In IDC's 2008 Enterprise Security Survey, only 46% of surveyed participants said that they were very confident or extremely confident of their existing enterprise security. IDC believes that this finding demonstrates a noticeable level of management uncertainty and a lack of confidence in existing security systems. The source of this lack of confidence is largely due to the understanding that existing infrastructures do have security gaps. The absence of an integrated view of what is happening in security infrastructures results in little to no visibility into where. | AT T WIRELESS IP SERVICE WHITE PAPER AT T Wireless IP Network Security AT T 1 AT T Wireless IP Network Security AT T Wireless Services Inc. Revision 10 99 1999 AT T Wireless Services Inc. All rights reserved. Peter Rysavy Primary Contributing Writer CDPD Product Development AT T Wireless Services Inc. Copyright Notice This work is protected by the copyright laws of the United States and is proprietary to AT T Wireless Services Incorporated. Disclosure copying reproduction merger translation modification enhancement or use by anyone other than authorized employees or licensees of AT T Wireless Services without prior consent of AT T Wireless Services is prohibited. All trademarks or registered trademarks are the property of their respective owners. For questions about this document please contact Bonnie Beeman Manager CDPD Product Development AT T Wireless Services Inc. PO Box 97061-6702 Redmond WA 98073 425 580-6702 2 AT T Wireless IP Network Security Contents 1. . The Need For . Defining and Implementing an Effective Security 2. AT T Wireless IP Network Security . AT T Wireless IP Network . Network 3. Airlink 4. IP Address 5. External Network . Frame Relay . Firewalls for Frame . Redundant 6. Internet 7. Intercarrier 8. PocketNet Compatible 9. Wireless Application Protocol WAP . 12 10. Virtual Private Network VPN Solutions . 13 . AT T VPN . Customer VPN Solution . 15 11. Enhanced Data Rates for GSM Evolution EDGE . 15 Appendix A Data-Security Technologies and Appendix B CDPD System Specification Security Requirements . 21 Appendix C Acronym List . 28