Obfuscated Tor Traffic Identification Based on Sliding Window

Table 3

Features extracted. We extracted 12 features from packets split by the sliding window.

No.	Name of feature	Description of feature
1		The max value of packet size
2		The min value of packet size
3		The mean value of packet size
4		The standard deviation of packet size
5		The max value of inner-packet interval
6		The min value of inner-packet interval
7		The mean value of inner-packet interval
8		The standard deviation of inner-packet interval
9		The proportion of client sending bytes
10		The proportion of client receiving bytes
11		The proportion of client sending packets
12		The proportion of client receiving packets