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(2) At or near the stern of the ship and below the lights required in item (1) of this paragraph, a ring-illuminated white light.(1) Applying for cancellation on its own;走进病房，丁洋先是把百合花插上。Among them, one of the more common attacks is CC attack. It simply and roughly sends a large number of normal requests, exceeding the maximum capacity of the server and causing downtime. What I encountered was a CC attack. At most, about 20 IP addresses around the world sent requests in turn, with the number of requests per address ranging from 200 to 300 times per second. When I read the log, I felt that those requests poured in like a flood. In the blink of an eye, there were a lot of requests. In a few minutes, the volume of the log file increased by 100MB. To tell the truth, this is only a small attack, but my personal website has no protection, and the server is still shared with others. This kind of traffic immediately goes offline.春子扯着自己的衣襟抖了抖，抱怨道：才五月间，就这样热了，再到六七月，可咋办。Advanced Mathematics (Tongji 7th Edition): Yes, what I said is the reference book for postgraduate entrance examination. It is really good, with moderate difficulty, and with the corresponding video or video of some basic courses abroad, the high number understands the limit, derivative, differential and integral are almost the same.