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An Address Management Mechanism for Blocking External

Communications in IPv6 Networks

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Outline

• Introduction• Related work• External communication blocking• Implementation result• Conclusions• References

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Introduction

• IPv4 address allocation has officially ended, IPv6 network users are increasing.• Using RA(Router Advertisement) message to block external

communication of a host.

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Related work

• ICMPv6 (Internet Control Message Protocol for IPv6)

• RA

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Related work(Conf.)

• SLAAC(Stateless Address AutoConfiguration)

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External communication blocking

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External communication blocking(conf.)

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Implementation result

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Conclusions

• The mechanism has blocked the external communication of the malicious host by using two modified RA messages.