computer network internet security phần 4 pdf
computer network internet security phần 4 pdf
... the 15th National Computer Security Conference. Baltimore, MD, Vol. 1, October 15, 1992.
pp. 244 -251.
Fites, P., and M. Kratz. "Policy Development." Information Systems Security: A Practitioner's
Reference. ... 1993. pp. 41 1 -42 7.
Lobel, J. "Establishing a System Security Policy." Foiling the System Breakers. New York,
NY:McGraw-Hill, 1986. pp. 57-95.
Menku...
computer network internet security phần 1 pptx
... 113
4. 1.0.6 Process 7 - Accept Residual Risk 1 14
4.2 RCMP GUIDE TO THREAT AND RISK ASSESSMENT FOR INFORMATION TECHNOLOGY 1 14
4.2.1 Introduction 1 14
4.2.2 Process 1 14
4.2.2.0 Preparation 115
4. 2.2.1 ... Command 240
10.3.2 The /var/log/ syslog File 241
10.3.3 The /var/adm/ messages File 242
10.3 .4 The “netstat” Command 243
10 .4 DETECTING A SNIFFER 243
10 .4. 1 The “ifconfig...
computer network internet security phần 2 ppt
... storm,
although the computer system may be functional.
2.2 .4. 4 MALICIOUS HACKERS
Hackers, sometimes called crackers, are a real and present danger to most
organizational computer systems linked by networks. ... data. Many programs, especially those
designed by users for personal computers, lack quality control measures. However,
44 44
Finally, your legal counsel should evaluate your s...
computer network internet security phần 3 pptx
... may periodically leave the network (e.g.,
by crashing, or by being disconnected) and then rejoin;
4. Network configuration aspects that can impact the security of the network
system; (For example, ... by comparing the reduction in risk with the cost to achieve it.
848 4
2. 14. 9 Cost Considerations
Costs associated with physical security measures range greatly. Useful
generalizati...
computer network internet security phần 5 ppt
... 1989.
[STIE85] Steinauer, Dennis D.; Security of Personal Computer Systems: A
141 141
Firewall Security Risk
4 recommended choice
3 effective option
2 acceptable
1 minimal security
0 unacceptable
Firewall ... services is logged. Summary and exception reports will be
prepared for the network and security managers.
146 146
5.5 .4. 5 Documentation
It is important that the opera...
computer network internet security phần 6 pps
... predisposed that there is a real firewall in the network path
BEFORE the system being accessed (running network security firewall software)
1 641 64
to access the corporate facilities plus supply ... network environments. True,
functional network security must be a layered approach and use different types of
security technologies to ensure proper control over data as it moves a...
computer network internet security phần 7 ppsx
... second example concerns the incident whereby a network worm used the
collection of networks known as the Internet to spread itself to several thousands of
computers located throughout the United States. ... jeopardizing network security. The access control is
what ultimately distinguishes the level of security among VPN solutions. Without
being able to control exactly who has access...
computer network internet security phần 8 docx
... correct authorization.
NT Security Subsystem
The Windows NT security model is based on the following components:
Local Security Authority (LSA)
Security Account Manager (SAM)
Security Reference Monitor ... hierarchy.
9.2.5 C2 Security
Requirements for a C2 compliant system are defined by the National Computer
Security Center (NCSC) of the United States Department of Defense, i...
computer network internet security phần 9 ppt
... firewall
concepts, network security concepts, advanced network security technologies
and security management must be undertaken. Failure to provide adequate
269269
Appendix H: Network Terms Glossary
AAL ... files.
Computer Emergency Response Team (CERT) A formal organization operated
by the Software Engineering Institute at Carnegie Mellon University and dedicated
to addressing...
computer network internet security phần 10 pot
... aggregate
bandwidth of 8 .44 8 Mbps.
E-3 A multiplexed circuit that combines 16 E-1 circuits and has an aggregate
bandwidth of 34. 368 Mbps.
E -4 A multiplexed circuit that combines 64 E-1 circuits and ... providers meeting at a NAP is facilitated.
291291
IPv4 An acronym for Internet protocol version 4.
IPv4 Address An IP address based on IPv4. These addresses consist of 32 bits
(0 thro...