If you see a /16 in the header of a snort rule,what does it mean?
A) a maximum of 16 log entries should be kept
B) the size of the log file is 16 MB
C) the subnet mask is 255.255.0.0
D) the detected signature is 16 bits in length

Question

Quizplus · Accepted Answer

The /16 in the header of a snort rule represents the subnet mask 255.255.0.0. It specifies the size of the network block that the rule applies to. The /16 in binary form is 11111111.11111111.00000000.00000000, which represents a network block of 65,536 IP addresses. Therefore, this option is the correct choice.

If You See a /16 in the Header of a Snort