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May our country's national civilization quality keep up with the increasingly developed science and technology!山峰巍峨，大河浩荡。　　赵小赵意外获知宁馨同叶凡关系，大喜过望，认为是同老对手叶凡斗法三百合的绝佳机会。同时，一个虚拟中的美妙女子神秘出现，凄楚的身世让赵小赵对其大为同情并发生爱恋。Iptables Zero Base Quick Start SeriesThe 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.两人不约而同地挺了挺小胸脯，满脸自豪。So, how do we modify the actions in a certain rule? For example, I want to change the actions in the following rules from DROP to REJECT. What should I do?