基于Vsftpd服务器数据传输模式浅析

Analysis of Vsftpd server based on the data transmission mode

Vsftpd是一个在UNIX/Linux操作系统上运行的FTP服务器,Vsftpd的应用中具有高安全性,免费的、开源等特点,便于使用Linux操作系统植入到嵌入式芯片中,这些特点和应用是其他FTP服务器所不具备的。PORT(主动)模式和PASV(被动)模式是FTP服务的数据传输中的两种基本模式,客户程序和防火墙状态决定了两种模式的使用环境。

Vsftpd is a FTP server which runs on the Unix/Linux operating system, the application of Vsftpd has high security, free open source, etc,which makes the use of Linux operating system is esay to implant into the embedded chip,this characteristics and application are not possessed by other server.PORT (active) mode and PASV (passive) mode are the two basic modes of data transmission of FTP service,client program and firewall status decide the use environment of the two modes.