By Gilbert Held
Know about TCP/IP-based community assault tools and threats to home windows NT/2000 pcs and the preventive measures you should use to guard your infrastructure. Bulletproofing TCP/IP-based home windows NT/2000 Networks info using router entry lists, firewalls, virus scanners and encryption. It contains examples of the configuration of and software program to avoid or reduce the impact of a variety of communications-based assaults opposed to TCP/IP networks and home windows NT/2000 hosts attached to such networks.
- Covers how TCP/IP operates and the way TCP/IP assaults occur.
- certain assurance on tips on how to safe either TCP/IP networks and the home windows NT/2000- host on such networks opposed to diversified assault methods.
- Describes a brand new assault technique, 'script-form attack', which may reason an organization monetary difficulties, and its prevention.
- makes use of useful real-world examples of equipment used to dam power attacks.
geared toward TCP/IP community managers, LAN admiistrators, home windows NT/2000 directors and community execs. it could possibly even be used for prime point undergraduate and graduate electric engineering and desktop technological know-how classes overlaying community security.Content:
Chapter 1 advent (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 position of the Virus Scanner and Encryption (pages 183–204):
Chapter 7 Host assault equipment (pages 205–224):
Chapter eight operating with home windows (pages 225–262):
Chapter nine The function of the Scanner (pages 263–285):
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Extra info for Bulletproofing TCP/IP-based Windows NT/2000 Networks
This is due to the fact that to support the TOS ®eld a router would have to construct and maintain multiple routing tables which in the era of relatively slow processors when the Internet evolved was not an attractive option with router manufacturers. Thus, although this ®eld provides a precedence de®nition capability, its use on a public network can be limited. 4 The Type of Service ®eld the TOS ®eld as a mechanism to differentiate services requested when a data stream enters a network. This action resulted in a proposal to rename the TOS byte as a Diff Service ®eld and an RFC was being developed to de®ne its use when this book was written.
This resulted in two transport protocols supported by the protocol suite. 1 TCP TCP is a reliable, connection-oriented protocol used to transport applications that require reliable delivery and for which actual data should not be exchanged until a session is established. 1 you will note that FTP, Telnet, SMTP, and HTTP are transported by TCP. Because TCP is a connection-oriented protocol this mean thats actual data will not be transferred until a connection is established. THE TCP/IP PROTOCOL SUITE 22 While this makes sense when you are transmitting a ®le or Web pages it also delays actual data transfer.
This action results in the MTU discovery algorithm selecting a smaller MTU for the path and using that MTU for subsequent transmissions. 8 Time to Live ®eld The Time to Live (TTL) ®eld is one octet in length. This ®eld contains a value which represents the maximum amount of time a datagram can live. The use of this ®eld prevents a mis-addressed or misrouted datagram from endlessly wandering the Internet or a private IP network. The value placed in the Time to Live ®eld can represent router hops or seconds, with a maximum value for either being 255.