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posted @ 2021-11-18 11:34 xman888 阅读(24) 评论(0) 推荐(0) 编辑
摘要: A Hashing Algorithm is a mathematical formula that takes a Message of arbitrary length as input and produces as output a representational sample of th 阅读全文
posted @ 2021-11-18 11:24 xman888 阅读(35) 评论(0) 推荐(0) 编辑
摘要: The client sends the PASV command to an FTP server on port 21. The source port is a random, high-numbered port. The destination port is 21. The server 阅读全文
posted @ 2021-11-18 11:15 xman888 阅读(94) 评论(0) 推荐(0) 编辑