Genetic Algorithms 6-sept-2005

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23 Οκτ 2013 (πριν από 3 χρόνια και 7 μήνες)

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NIDS Using Genetic
Algorithms

Umer Khan

Weekly Progress Review

6
-
Sept
-
2005

Review of GAs

Rule Base For a GA


Rule:
if { condition } then { act }



if {the connection has the following information:
source IP address 150.165.13.1; destination IP
address:130.179.16.43; source port number: 25;
destination port number: 80; protocol used: IP} then
{detect whether the connection is an intrusion or
not}



Rule Set

Chromosomal Representation of
Rules



*13**1*16*43**25**80it


Formula for Fitness




F = a / A


b / B


Cross Over b/w Rules

Cross Over b/w Rules

Future Directions


Still to be discussed with Sir Ejaz and
Dr.Waqar