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'\n\n transmission control protocol/IP cyberspace, .\n\n- , , . , , , , . , transmission control protocol/IP, net.\n\n , . , , - , (17%) (16%), - (67%).\n\n transmission control protocol/IP .\n\n, transmission control protocol/IP :\n\n IP ( net income Protocol) - , ;\n\n UDP (User Datagram Protocol) - , IP ;\n\n transmission control protocol (Transmission prevail Protocol) - , IP ;\n\n ICMP ( earnings hear put across Protocol) - , IP, , , ;\n\n ARP (Address firmness of purpose Protocol) - , ;\n\n , net profit, IP-.\n\n \n\n - , , , .\n\n - , .\n\n, - , , .\n\n - , .\n\n , , . .\n\n , . , , - .\n\n , . , , , , . , .\n\n () , .\n\n \n\n , ( , , . .) . , , .\n\n , , () , , , . ( ) (remote mesh topology attacks). , -, , , , -, , , , . , , , .\n\n \n\n , :\n\n : , ( );\n\n : , , ;\n\n : , ( ) ;\n\n : , , ;\n\n : , , , , , ;\n\n : , , ;\n\n : , ;\n\n (sniffers): , . , ;\n\n ;\n\n ( ) ().\n\n - , . - , ;\n\n \n\n 1998 NIST (http://csrc.nist.gov/) 237 , . :\n\n 29% - Windows.\n\n: Unix. . . , , .\n\n 20% (, , , ).\n\n: , .\n\n 3% web- .\n\n: web .\n\n 4% .\n\n: , . ( - ).\n\n 5% .\n\n: (, , .)\n\n 1999 , 57% , , . 30% , , 26% , . - FedCIRC (http://www.fedcirc.gov) , 1998 130000 1100000 .\n\n network\n\n net income . - (sniffer), , , , .\n\n , . , file transfer protocol TELNET ( ), HTTP ( sack- , web- ), SMTP, POP3, IMAP, NNTP ( ) IRC (online-, chat). web-, , .\n\n , (, SSL TLS, Skip, S-HTTP ..). , . . - , ( ), , .\n\n ARP- earnings\n\n IP- net income IP- Ethernet- ( ), Ethernet- ( ). Ethernet- , , Ethernet- . , , .\n\n earnings ARP (Address steadiness Protocol). ARP IP- Ethernet- , . : ARP-, IP- ( ) Ethernet-. , , . , ARP-, ARP- Ethernet-. ARP- Ethernet- ARP-, .\n\n- , \n\n :\n\n ARP-;\n\n ARP- ARP-, ( ARP-) Ethernet-, ARP-;\n\n , , ( );\n\n - ARP- , , .\n\n DNS- net income\n\n , internet 32- IP-, . IP- . , IP-, , IP-.\n\n, network , ( hosts-), IP-. . network, , . , IP-, , - (DNS-). terra firma construct strategy (DNS - ). DNS.\n\n DNS- :\n\n1. IP- DNS- DNS-, , IP- .\n\n2. DNS- . IP- , DNS- DNS-, . , DNS- DNS- DNS-. , .\n\n , , DNS, - DNS-\n\n DNS UDP, , transmission control protocol, , .\n\n DNS-:\n\n1. DNS-.\n\n2. DNS- ( IP-) DNS- IP- DNS-.\n\n3. - IP- IP- IP- DNS- . DNS- .\n\n4. - IP- IP- DNS- . DNS- .\n\n . DNS-, , DNS-. DNS- .\n\n meshwork DNS DNS-. hosts, DNS, .\n\n transmission control protocol UDP, , , transmission control protocol .\n\n ICMP mesh \n\n , . net profit (IP-). , . Internet . , , , , , IP-, .\n\n , Internet ICMP, . ICMP- direct Message.\n\n ICMP- send Datagrams for the Host, , , IP- . . , , , .\n\n ICMP- Firewall. , ICMP- Redirect.\n\n transmission control protocol- Internet (hijacking)\n\n transmission control protocol (Transmission go through Protocol) Internet. , , - . , , , . transmission control protocol transmission control protocol/IP, .\n\n TCP- TCP- 32- , . - sequence emergence ( ) consultation issuance ( ).\n\n TCP- . , , TCP- TCP- , .\n\n , . , .\n\n , . SSL, S-HTTP, Kerberos ..\n\n TCP- \n\ n TCP- ISN . , Internet ( IPv4) IP- , , IP-, , , , . , TCP- . - - , - - ( ).\n\n - , , -, , -, . , : , .\n\n . defense lawyers of utility , -.\n\n 3 (44.736 /c) . , VPN -. , .\n\n - IP-. - . , .\n\n IPv4 , . , .\n\n, \n\n , . :\n\n region - IP-, . Windows Windows NT 4.0 answer obturate 4 . .\n\n tear retire - , IP-. - , , . Windows95/NT renovation have a bun in the oven 4 Linux (2.0.0).\n\n WinNuke - Windows- TCP/IP start Of portion (OOB) ( 139-) TCP-. . Windows95/NT .\n\n , .\n\n vane\n\n origination wide-eyed sack Web. Web :\n\n1. \n\n2. \n\n , . , . , (plug-ins), ActiveX, Java, JavaScript, VBScript, PerlScript, dynamic HTML.\n\n , - , , html- ( VBScript ActiveX-). . frenzy of the beat(p) intimidate BackOrifice 2000, WindowsNT , , , , .\n\n :\n\n : , ; , , .\n\n \n\n \n\n 2000 Internet\n\n , 2000 TCP/IP, - , Y2K - , , .\n\n :\n\n - .\n\n , - .\n\n - .\n\n - .\n\n .\n\n , .\n\n .\n\n .\n\n 2000 . - , .\n\n Internet\n\n , , ARP-, hosts DNS-, .\n\n - -. :\n\n - ;\n\n Firewall;\n\n ;\n\n (Ids - encroachment signal detection Systems tripe - invasion Countermeasures Electronics);\n\n (Satan - bail compendium net diaphysis for Administrator, Saint, SAFEsuite, RealSecure .);\n\n .\n\n Firewall :\n\n1. ;\ n\n2. Proxy- Firewall-. proxy- proxy- Firewall;\n\n3. IP-. IP-.\n\n - . , .'