网络安全作业[五·一]（安全作业网络安全）

命令：

LOGOFF [sessionname | sessionid] [/SERVER:servername] [/V]：logoff UID 注销用户

[@more@]sessionname      会话名。

sessionid           会话ID。

/SERVER:servername  指定含有要注销的用户会话的终端服务器

(默认值是当前值)。

/V                  显示有关执行的操作的信息。

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E:Documents and SettingsAdministrator>query user：查询当前登录系统用户状态

QUERY { PROCESS | SESSION | TERMSERVER | USER } 用户名                会话名             ID  状态    空闲时间   登录时间>administrator         console             0  运行中          .  2005-5-6 11:35上午

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net user  当前联网用户

netstat  Displays protocol statistics and current TCP/IP network connections.

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tftp Transfers files to and from a remote computer running the TFTP service.

TFTP [-i] host [GET | PUT] source [destination]

-i              Specifies binary image transfer mode (also called                  octet). In binary image mode the file is moved                  literally, byte by byte. Use this mode when                  transferring binary files.  host            Specifies the local or remote host.  GET             Transfers the file destination on the remote host to                  the file source on the local host.  PUT             Transfers the file source on the local host to                  the file destination on the remote host.  source          Specifies the file to transfer.  destination     Specifies where to transfer the file.

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nc NETCAT 它是一个TELNET服务，端口为99.