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.
 RFC 1933: Transition Mechanisms for IPv6 Hosts and Routers
 RFC 2529: Transmission of IPv6 preko IPv4 Domains without Explicit
 RFC 1853: IP in IP Tunneling
 RFC 3056: Connection of IPv6 Domains via IPv4 Clouds
 RFC 2402: IP Authentication Header (AH)
 RFC 2406: IP Encapsualtion Security Payload (ESP)
 RFC2460: Internet Protocol, Version 6 (IPv6) Specification
 RFC 2409 The Internet Key Exchange (IKE)
 RFC 2408 Internet Security Association and Key Management Protocol
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