Theses and Dissertations - UTB/UTPA

Date of Award


Document Type


Degree Name

Master of Science (MS)


Electrical Engineering

First Advisor

Dr. Sanjeev Kumar

Second Advisor

Dr. Yul Chu

Third Advisor

Dr. Weidong Kuang


In this thesis, experimental evaluation of security vulnerabilities has been performed under DoS attacks for popular personal firewalls from McAfee, Norton and Kaspersky; and for operating systems namely Apple’s Leopard and SnowLeopard, and Microsoft’s Windows XP and Windows 7. Our experimental results show that the firewalls and operating systems behave differently under a given DoS attack. Some of the firewalls crashed under certain DoS attacks especially when they were configured to prevent and block packets belonging to such attacks. Operating systems evaluated in this thesis were also found to have different built-in security capabilities, and some of them even crashed under certain DoS attacks requiring forced reboot of the system. Comparative performance of firewalls and operating systems under DoS attacks has been presented.


Copyright 2010 Sirisha Surisetty. All Rights Reserved.

Granting Institution

University of Texas-Pan American