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TCP Full Connect Scan An attacker routinely performs a port scan in the opening salvo of any successful cyber assault. One type of port scan includes 阅读全文
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SQLI DUMB SERIES-1 Step 1: Find the Injection point. This obviously is parameter Injection since the hint said, Please input the ID as parameter with 阅读全文
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Each HTTP response message must contain a status code in its first line, indicating the result of the request. The status code falls into five groups, 阅读全文
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API stands for "application program interface". It's just a documented method of interacting with someone else's service. For example, Google has an A 阅读全文
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Hypertext transfer protocol(HTTP) is the core communications protocol used to access the World Wide Web(WWW) and is used by all of today's web applica 阅读全文
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HTTP is stateless. All the requests are stateless. However, there are situations where we would like our states to be remembered. For example, in a on 阅读全文
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###Description Little A has a pocket of primes, where can includes any prime. He always starts at 2 and enumerates if it's a prime. If it's, he will p 阅读全文
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Description You're given n(n<=10000) and k(k<=100). You need to class the range from 1 to n into two groups. Class A can be divided by k completely(na 阅读全文
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Description You are given a group of Pythagorean numbers of a, b, c(a!=b!=C). The sinusoidal value of its smaller acute angle is output in fractional 阅读全文
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Description You will be given three integers A, B, and C. The numbers will not be given in that exact order, but we do know that A is less than B and 阅读全文