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P89LPC932BA Datasheet | Philips Semiconductors
Part No. : P89LPC932BA
Description : 80C51 8-bit microcontroller with two-clock core 8 KB 3 V low-power Flash with 512-byte data EEPROM
Download : P89LPC932BA Click to Download
Page Number : 51
Manufacturer : Philips Semiconductors
File Size : 292 Kb

P89LPC932BA Article About

In real life, for example, you go to market to buy food, in the end the money to pay you ask to go to do some other things, wait again to get food; this time a stranger asked if Cook away, the people selling vegetables will dish to strangers? ! Of course, this is just a metaphor, but this is precisely the metaphor session hijacking. The so-called conversation, that is, a communication between two hosts. For example, you Telnet to a host, this is a Telnet session; you visit a Web site, which is an HTTP session. And session hijacking, is a combination of technology, including sniffing and spoofing attacks. For example, in the course of a normal session, the attacker as a third party involved which he can insert in the normal malicious data packets can also be a session in which the two sides were simply listening, or even take over the session in place of a party host . We can be divided into two types of session hijacking attacks: 1) middle attacks, 2) injection attacks; and session hijacking attacks can also be divided into two forms: 1) passive abduction, 2) active hijacking; passive hijacking actually is in the background to monitor the flow of data both sessions, a pair of access to sensitive data; and active abduction malpractices among a host session "kicked" off the assembly line, and then replaced by an attacker to take over the session, this attack is against large, the attacker can do a lot of things, such as "cat etc / master.passwd". Figure 1 Schematic diagram of session hijacking.
Memory part, the high-speed memory card using Infineon, composition 256MB/128bit, the default frequency of 600/1200MHz, this higher frequency than the public version of the 8500GT a lot better performance, performance. This card can be further expanded memory, the maximum capacity of up to 512MB, to meet the vista operating system and the needs of large scenes 3D games. Output, players battle match-PCX8528GT PRO graphics card uses the popular DVI + VGA + HDTV-OUT output mode to meet the different users. Editor Comments: Unika this 8500GT default 600/1200MHz frequency, compared to GDDR2 version of the 8500GT in performance to improve a grade; and also adjusted the price of graphics cards to 599 yuan price, is a good entry-level DirectX10 graphics card.

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