Contents
Acknowledgements.
About
Mahindra Consulting.
Prologue.
Executive
Summary
Technology Focus
1.
An Overview Of Information Security.
2.
An Introduction to Network Security.
2.1.
Why Network Security?
2.2.
What Network Security deals with?
3.
Network Vulnerability.
3.1.
Common Protocol Vulnerabilities.
3.2.
Common Network Attacks.
3.3.
Network Scanning.
4.
Safe Guarding the Network.
5.
An Introduction to Firewalls.
5.1.
What are firewalls?
5.2.
Why Firewalls?
5.3.
What they protect the network from?
5.4.
Situations where firewalls fail.
6.
Types Of Firewalls.
6.1.
Packet Filters.
6.2.
Stateful Inspection.
6.3.
Proxy Servers.
6.3.1.
Circuit Level Gateways.
6.3.2.
Application Level Gateways.
7.
Firewall Architectures.
7.1.
Dual Homed.
7.2.
Screened Host.
7.3.
Screened Subnet.
8.
Virtual Private Networks
8.1.
What are VPNs?
8.2.
Technology Overview.
8.3.
Why do they feature in this dissertation?
8.4.
Checkpoint Firewall 1and VPNs.
9.
Issues Related to Firewalls
10.
The Policy Framework.
11.
Implementation Of a network On NT and firewalls
11.1.
Deerfield Personal desktop firewall
11.2.
Son Firewall from Symantec
Business
Focus
12.
The Firewall Market Worldwide.
12.1.
Major players.
12.2.
Market share.
13.
Comparison of the major products available.
14.
Selection criterion for Firewalls.
14.1.
Case Wise analysis and suggestions.
15. Managed and In house Security options.
Table Of Figures
1.
Information Types Exploded.
2.
Isolated Islands Of Information.
3.
Individual Networks Connected to the Internet hence sharing resources and
data
4.
Statistics of New vulnerabilities discovered plotted against months
5.
Hacker Trends
6.
Network File System (NFS)
7.
Ping Flooding
8.
Smurf
attack
9.
Syn Flooding
10.
ARP Cache Poisoning
11.
Network Scanner Positioning
12.
Information Security Model
13.
Analogy Of Network Security with the security of ancient castles
14.
Elements Of a firewall system
15.
Operation of a packet filtering Firewall
16.
Operation of a Stateful Inspection Firewall
17.
Operation of an application Proxy Server
18.
Operation of a Proxy Server
19.
Dual Homed Architecture of firewall Connection
20.
Screened Host Architecture of firewall Connection
21.
Screened Subnet Architecture of firewall Connection
22.
VPN System Basics
23.
VPN Operation
24.
Firewall Systems and NAT
25.
Mapping Of IP Address
26.
Administration Of Several Firewall Systems
27.
Nested Firewall Configurations
28.
Typical Corporate Networks
connection to the external world
29.
Experimental setup that was
performed
30.
Main Window of Deerfield
firewall
31.
Firewalls tab of Deerfield
firewall
32.
Application tab of Deerfield firewall
33.
Server manager Of Sygate
Office network
34.
Sygate Personal Firewall
Application Tab
35.
Configuration manager Of Sygate Office network
36.
Market Shares of firewalls
Appendices
1.
Bibliography.
2.
Websites referred.
3.
Commercial Listing of Products.
4.
Detailed list of Some Major Products.
5.
Glossary.
6.
Vita.
