Abstract
Protecting sensitive information of an Autonomous
System (AS) is a critical issues. False origin with IP source
address spoofing is a major threat for AS which causes serious
attacks like insider attack, DDoS, unauthorized access of
intellectuals and many more. Intra domain IP source address
spoofing is still a challenge for security experts due to less
secure router architecture and unavailability of perfect
solution. In this paper, we aim to modify current LAN
communication technology in private network to eliminate
the possibility of any spoofed packet going outside that
network. Our method is fast, light weighted, low management
overhead and easy to deploy in IPv4 (preferable in IPv6), which
prevent IP source address spoofing in same subnet (AS) and
replay attack..
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