By Gilbert Held
Learn about TCP/IP-based community assault tools and threats to home windows NT/2000 desktops and the preventive measures you should use to guard your infrastructure. Bulletproofing TCP/IP-based home windows NT/2000 Networks information using router entry lists, firewalls, virus scanners and encryption. It contains examples of the configuration of and software program to avoid or reduce the influence of a variety of communications-based assaults opposed to TCP/IP networks and home windows NT/2000 hosts hooked up to such networks.
- Covers how TCP/IP operates and the way TCP/IP assaults occur.
- distinctive insurance on the best way to safe either TCP/IP networks and the home windows NT/2000- host on such networks opposed to diverse assault methods.
- Describes a brand new assault strategy, 'script-form attack', which can reason a firm monetary difficulties, and its prevention.
- makes use of sensible real-world examples of equipment used to dam capability attacks.
geared toward TCP/IP community managers, LAN admiistrators, home windows NT/2000 directors and community execs. it will possibly even be used for prime point undergraduate and graduate electric engineering and machine technology classes masking community security.Content:
Chapter 1 creation (pages 1–18):
Chapter 2 The TCP/IP Protocol Suite (pages 19–84):
Chapter three community assault equipment (pages 85–104):
Chapter four the safety function of the Router (pages 105–153):
Chapter five The position of the Firewall (pages 155–181):
Chapter 6 The function of the Virus Scanner and Encryption (pages 183–204):
Chapter 7 Host assault tools (pages 205–224):
Chapter eight operating with home windows (pages 225–262):
Chapter nine The position of the Scanner (pages 263–285):
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Additional resources for Bulletproofing TCP/IP-based Windows NT/2000 Networks
Later in this book we will discuss address spoo®ng and various counter-measures that can be employed in detail. 21 Subnetting and the subnet mask The use of IP addresses represents a precious resource. Recognizing the limited number of network addresses available for use as well as the need of organizations to create more manageable networks, the IETF approved subnetting in RFC 950 as a mechanism to share a single network address among two or more networks. To better understand the need for subnetting, consider a Class B address.
This action indicates another key security-related area you must consider. That is, consider everything, as a malicious person who may not stop at 100 or 1000 requests but continue their script-form attack. Within a short period of time the cost of the mailing envelopes, the cost of the premium or brochures contained in the premium and the cost of the actual mailing and handling can easily exceed $1,000 to $20,000. With a script-form attack this can be viewed as a minor wound that if unchecked can slowly bleed an organization into a bad state of ®scal health.
For example, when this author ran his script he used a real telephone number for one location that was connected to an answering machine. Periodically, when he checked the machine he would hear message after message addressed to ®ctional employees. Sometimes it was hard not to laugh as the caller left messages for different variations of the name of this author's pets. I guess because they probably received a printout of names and phone numbers they assumed all was well, even though nobody ever answered the telephone.