Network Based Intrusion Detection and Prevention Systems in IP-Level Security Protocols

IPsec has now become a standard information security technology throughout the Internet society. It provides a well-defined architecture that takes into account confidentiality, authentication, integrity, secure key exchange and protection mechanism against replay attack also. For the connectionless security services on packet basis, IETF IPsec Working Group has standardized two extension headers (AH&ESP), key exchange and authentication protocols. It is also working on lightweight key exchange protocol and MIB's for security management. IPsec technology has been implemented on various platforms in IPv4 and IPv6, gradually replacing old application-specific security mechanisms. IPv4 and IPv6 are not directly compatible, so programs and systems designed to one standard can not communicate with those designed to the other. We propose the design and implementation of controlled Internet security system, which is IPsec-based Internet information security system in IPv4/IPv6 network and also we show the data of performance measurement. With the features like improved scalability and routing, security, ease-of-configuration, and higher performance of IPv6, the controlled Internet security system provides consistent security policy and integrated security management on IPsec-based Internet security system.

Authors:

• R. Kabila

Keywords:

• IDS
• IPS
• IP-Sec
• IPv6
• IPv4
• VPN.

References:

[1] RFC 1933: Transition Mechanisms for IPv6 Hosts and Routers
[2] RFC 2529: Transmission of IPv6 preko IPv4 Domains without Explicit
Tunnels
[3] RFC 1853: IP in IP Tunneling
[4] RFC 3056: Connection of IPv6 Domains via IPv4 Clouds
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[6] RFC 2406: IP Encapsualtion Security Payload (ESP)
[7] RFC2460: Internet Protocol, Version 6 (IPv6) Specification
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