1. Kumar, B., Beekelaar, R., Wettern, J.: Firewall for Dummies. Wiley Publishing, New York (2003)
2. Tannenbaum, A.S.: Computer Networks. Prentice Hall PTR (2003)
3. Ogletree, T.: Practical Firewall. Prentice Hall Publishing (2000)
4. Dunham, M.H.: Data Mining: Introductory and Advanced Topics. Dorling Kindersley (India) Pvt. Ltd, New Delhi (2008)
5. XYZ: Firewall The Complete Reference. Tata McGraw Hill, New Delhi (2003)