Hacking from a network: SYN flood and TCP Sequence number prediction attacks

... decides to: go away and SYN no more. This was an elegant attack, for a small number of packets an attacker could freeze a particular service on a host computer. 28 IDIC - SANS GIAC LevelTwo ©2000, ... never care that a higher level protocol is sending a SYN. TCP cares though in a big way and as you know would respond with a SYN/ ACK if it was an open port and i...

Ngày tải lên: 26/10/2013, 23:15

... Intel as a time in the life of a business when its fundamentals are about to change.” Banks had to make changes with the advent of automated teller machines (ATMs), and major airlines have to make ... manufacturer. Caterpillar’s brand personality triggers such associations as hardworking, resilient, tough, bold, and determined. So Caterpillar has been able to launch Cat jeans, sandals,...

Ngày tải lên: 21/09/2012, 17:33

... (mail) from and returns data to the client, as well as reads and stores data and configuration information on the computer's hard drive. Many mail services (POP and IMAP, for example) require authentication ... far, though, because an hour and a half later the password testing program − − − came up with the Administrator password and allowed me in. The password was short...

Ngày tải lên: 29/09/2013, 13:20

... computer. 2. The gateway machine reads the packet from the frame and decodes it. 3. The gateway machine discards the packet (because the packet cannot be forwarded) and creates an ICMP message. 72 • ... data contained in the payload section. As with Standard Ethernet, a type value of 0800 specifies an IP datagram, 0806 specifies ARP, and 8035 specifies RARP. Because of the 8 by...

Ngày tải lên: 29/09/2013, 13:20

... think that brands are well man- aged. Here is his plaint: “Brands do not have to die. They can be murdered. And the marketing Draculas are draining the very lifeblood away from brands. Brands are ... votes. Great brands are the only route to sustained, above-average profitability. And great brands present emotional benefits, not just rational benefits. Too many brand managers focus on rati...

Ngày tải lên: 24/10/2013, 08:20

... persuasively as can a friend, acquaintance, past customer, or inde- pendent expert. Suppose you are planning to buy a PDA (personal digital assistant) and you have seen all the ads for Palm, HP, and Sony. ... into mini-markets and your company now has the capability of marketing to one customer at a time. • From owning assets to owning brands. Many companies are be- ginning to p...

Ngày tải lên: 24/10/2013, 08:20