Research Article

HTTP Cookie Covert Channel Detection Based on Session Flow Interaction Features

Table 5

Features summary.

SymbolStatisticsContribution ranking

F1Information quantity of cookie3
F2Dispersion degree of cookie length6
F3Character level difference of adjacent cookies5
F4Information quantity of response content2
F5Dispersion degree of response content length7
F6Information quantity comparison of response content and cookie4
F7Information quantity comparison of set-cookie and cookie1