Research on covert channel in IPSec protocol
Junyuan Xie · Jisuanji gongcheng yu sheji · 2007
The possibly existing covert channel in IPSec protocol is analyzed and the reason of it is pointed out.And a model of covert channel is presented based on the packets sorting.Aimed at disorder and loss packets in the network,the utility value of covert channel model is evaluated.Then an overall solution of preventing the existence of this covert channel is presented.