本文针对IPv4当前采用的安全机制,分析了包括IPsec在内的几种网络安全机制.对网络而言IP的安全是非常重要的,本文通过分析网络攻击的原型以及IPsec在网络层保护IP的措施,提出如何在IPv6下的保护IP首尾安全.最后,介绍了针对IPsec的一些新的攻击模式.%Fur the security mechanisms used by IPv4 currently, several networks security mechanism, including Ipsec, were analyzed. For the network, the safety of IP is very important, in this paper, how to protect security of IP under IPv6 was put forward through the analysis of prototype of network attacks and measures of Ipftec protecting IP in the network layer, finally, some new modes attacking Ipsec were presented.
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