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110 Restart marker reply. In this case, the text is exact and not left to the particular implementation; it must read: MARK yyyy = mmmm where yyyy is User-process data stream marker, and mmmm server's equivalent marker (note the spaces between markers and "=". 重新启动标志回应。这种情况下,信息是精确的并且不用特别的处理;可以这样看:标记 yyyy = mmm 中 yyyy是 用户进程数据流标记,mmmm是服务器端相应的标记(注意在标记和等号间的空格) ----------------------------------- 120 Service ready in nnn minutes. 服务在NNN时间内可用 ----------------------------------- 125 Data connection already open; transfer starting. 数据连接已经打开,开始传送数据. ----------------------------------- 150 File status okay; about to open data connection. 文件状态正确,正在打开数据连接. ----------------------------------- 200 Command okay. 命令执行正常结束. ----------------------------------- 202 Command not implemented, superfluous at this site. 命令未被执行,此站点不支持此命令. ----------------------------------- 211 System status, or system help reply. 系统状态或系统帮助信息回应. ----------------------------------- 212 Directory status. 目录状态信息. ----------------------------------- 213 File status. 文件状态信息. ----------------------------------- 214 Help message.On how to use the server or the meaning of a particular non-standard command. This reply is useful only to the human user. 帮助信息。关于如何使用本服务器或特殊的非标准命令。此回复只对人有用。 ----------------------------------- 215 NAME system type. Where NAME is an official system name from the list in the Assigned Numbers document. NAME系统类型。 ----------------------------------- 220 Service ready for new user. 新连接的用户的服务已就绪 ----------------------------------- 221 Service closing control connection. 控制连接关闭 ----------------------------------- 225 Data connection open; no transfer in progress. 数据连接已打开,没有进行中的数据传送 ----------------------------------- 226 Closing data connection. Requested file action successful (for example, file transfer or file abort). 正在关闭数据连接。请求文件动作成功结束(例如,文件传送或终止) ----------------------------------- 227 Entering Passive Mode (h1,h2,h3,h4,p1,p2). 进入被动模式 ----------------------------------- 230 User logged in, proceed. Logged out if appropriate. 用户已登入。 如果不需要可以登出。 ----------------------------------- 250 Requested file action okay, completed. 被请求文件操作成功完成 ----------------------------------- 257 "PATHNAME" created. 路径已建立 ----------------------------------- 331 User name okay, need password. 用户名存在,需要输入密码 ----------------------------------- 332 Need account for login. 需要登陆的账户 ----------------------------------- 350 Requested file action pending further information 对被请求文件的操作需要进一步更多的信息 ----------------------------------- 421 Service not available, closing control connection.This may be a reply to any command if the service knows it must shut down. 服务不可用,控制连接关闭。这可能是对任何命令的回应,如果服务认为它必须关闭 ----------------------------------- 425 Can't open data connection. 打开数据连接失败 ----------------------------------- 426 Connection closed; transfer aborted. 连接关闭,传送中止。 ----------------------------------- 450 Requested file action not taken. 对被请求文件的操作未被执行 ----------------------------------- 451 Requested action aborted. Local error in processing. 请求的操作中止。处理中发生本地错误。 ----------------------------------- 452 Requested action not taken. Insufficient storage space in system.File unavailable (e.g., file busy). 请求的操作没有被执行。 系统存储空间不足。 文件不可用 ----------------------------------- 500 Syntax error, command unrecognized. This may include errors such as command line too long. 语法错误,不可识别的命令。 这可能是命令行过长。 ----------------------------------- 501 Syntax error in parameters or arguments. 参数错误导致的语法错误 ----------------------------------- 502 Command not implemented. 命令未被执行 ----------------------------------- 503 Bad sequence of commands. 命令的次序错误。 ----------------------------------- 504 Command not implemented for that parameter. 由于参数错误,命令未被执行 ----------------------------------- 530 Not logged in. 没有登录 ----------------------------------- 532 Need account for storing files. 存储文件需要账户信息 ----------------------------------- 550 Requested action not taken. File unavailable (e.g., file not found, no access). 请求操作未被执行,文件不可用。 ----------------------------------- 551 Requested action aborted. Page type unknown. 请求操作中止,页面类型未知 ----------------------------------- 552 Requested file action aborted. Exceeded storage allocation (for current directory or dataset). 对请求文件的操作中止。 超出存储分配 ----------------------------------- 553 Requested action not taken. File name not allowed 请求操作未被执行。 文件名不允许 ----------------------------------- ----------------------------------- 这种错误跟http协议类似,大致是: 2开头--成功 3开头--权限问题 4开头--文件问题 5开头--服务器问题 对偶们最有用的: 421:一般出现在连接数多,需稍后在接; 530:密码错误; 550:目录或文件已经被删除