C:\>;ftp 192.168.77.129 Connected to 192.168.77.129. 220 Welcome to yuyuyou FTP service. User (192.168.77.129:(none)): liuya 331 Please specify the password. Password: 230 Login successful. Have fun. ftp>; dir 200 port command successful. consider using pasv. 425 Failed to establish connection. ftp>; d Ambiguous command. ftp>; ftp>; put c:\bind-9.2.5.tar.gz 200 port command successful. consider us...

C:\>;ftp 192.168.77.129 Connected to 192.168.77.129. 220 Welcome to yuyuyou FTP service. User (192.168.77.129:(none)): liuya 331 Please specify the password. Password: 230 Login successful. Have fun. ftp>; dir 200 port command successful. consider using pasv. 425 Failed to establish connection. ftp>; d Ambiguous command. ftp>; ftp>; put c:\bind-9.2.5.tar.gz 200 port command successful. consider us...

先介绍一下端口扫描的知识（拿来主义一下 ）： 工作原理 扫描器通过选用远程TCP/IP不同的端口的服务，并记录目标给予的回答，通过这种方法，可以搜集到很多关于目标主机的各种有用的信息（比如：是否能用匿名登陆！是否有可写的FTP目录，是否能用TELNET，HTTPD是用ROOT还是nobady在跑！） 常用的端口扫描技术 TCP connect() 扫描 这是最基本的TCP扫描。操作系统提供的 connect()系统调用，用来与每一个感兴趣的目标计算机的...

VMware Workstation 3.2 Features | Documentation | Knowledge Base | Discussion Forums Prev Contents Last Next using Serial ports The following sections describe how to use serial ports with VMware Workstation: using a Serial port on the Host Computer using a File on the Host Computer Connecting an Application on the Host to a V...

consider using 'relaxed LRU replacement policy'应该如何配置？

http://www.cyberciti.biz/tips/netstat-command-tutorial-examples.html 本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u/249/showart_1880347.html

using the xargs command Ed Schaefer (July 2003 — see Web-exclusive update at end of article) Many UNIX professionals think the xargs command, construct and execute argument lists, is only useful for processing long lists of files generated by the find command. While xargs dutifully serves this purpose, xargs has other uses. In this article, I describe xargs and the historical "Too...

Grep this using grep, fgrep, and egrep to search for strings of words The grep utility, which allows files to be searched for strings of words, uses a syntax similar to the regular expression syntax of the vi, ex, ed, and sed editors. grep comes in three flavors, grep, fgrep, and egrep, all of which I'll cover in this article. The name grep is derived from the editor command g/re/p, which liter...

出现这个提示是什么意思?\r\nvalgrird is operating system specific,sorry please consider doing a port!\r\n是编译安装valgrird出现的!!有老师或朋友遇见过没有?如何处理?先谢谢了

是否每次list或者REIN或者STOR的时候都要先port或者pasv确定数据传输的端口？ 还是一次port 或者pasv就可以了呢