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The full name of JOP is Jump-oriented programming, and attacks are similar to ROP attacks. It also exploits existing code snippets in binary executables for attacks. ROP uses ret instructions to change the control flow of the program, while JOP attacks use indirect jump and indirect call instructions (indirect call instructions) to change the control flow of the program. When a program executes an indirect jump or an indirect call, The program will obtain the destination addresses of its jumps from the specified registers. Because these jump destination addresses are stored in the registers and the attacker can modify the contents of the registers by modifying the contents of the stack, this allows the destination addresses of indirect jumps and indirect calls in the program to be attacked by the attacker.这一种观点，已经被大众唾弃，可以安排到反派身上，等级b咱们急也没用，又不能出去找。From the perspective of service, DDoS protection is essentially a war in which users are the main body and rely on anti-D protection systems to compete with hackers. In the whole process of data confrontation, service providers often have absolute initiative. Users can base on specific rules of anti-D system, such as traffic type, request frequency, packet characteristics, delay interval between normal services, etc. Based on these rules, users can better resist DDoS of the seven-layer class and reduce the resource overhead of the server on the premise of satisfying the normal service itself. The detailed schematic diagram is as follows:Taraji P.Henson主演动作片#骄傲的玛丽#发布预告，演了Cookie、卡姐等厉害角色后，这次Henson直接变女杀手，预告大半时间在光鲜换装、物色武器。当然杀手片的任务总会出错，玛丽碰上了一个小男孩，激发出强悍下的母爱。《伦敦陷落》导演Babak Najafi执导，明年1月12日北美上映。
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