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These attacks usually use server resources rather than bandwidth from the server. They can also use the resources of network devices (such as firewalls, intrusion detection systems, and switches) on the periphery of the server. Examples include Smurf attacks (ICMP using broadcast IP spoofed IP), Fraggle attacks (same as Smurf, using UDP only), SYN flooding, dead pings (super large ICMP with the same destination and source IP and port), and many others.In order to sum up experience, consolidate achievements and further promote the long-term and effective development of the school's summer social practice work of "three rural areas", the following is a summary of some characteristics, experiences and personal experiences formed by long-term efforts to explore the summer social practice work.插一句题外话。悍匪来袭，江枫危在旦夕，花月奴如是说。7. Increase positions when winning money and decrease codes when losing money. If you don't want to die fast but want to earn fast, this is the only way.3. Log on the website of China's Ministry of Public Security and report online.Http://bbs.a9vg.com/thread-5284828-1-1. Html