The setup of Vsftp under Linux is detailed

Knowledge Points:

1. FTP uses TCP connections and TCP ports

2, in the communication, FTP needs to establish two TCP connections:

One for control information, TCP port number defaults to 21

One for data transfer, TCP port number defaults to 20

3, Vsftp is a GPL-issued UNIX-like system on the FTP server

4, the name of the VS is "verysecure" meaning, visible security is high.

Configuration:

1, to see if the installation of VSFTP

#rpm –qa vsftpd

2, installation

Put in the third CD

#mount/mnt/cdrom

#cd/mnt/cdrom/redhat/rpms

#rpm –IVH vsftpd-1.1.3-8.i386.rpm

#cd; eject.

3, VSFTP service start and stop

#service vsftpd Start

#service vsftpd Stop

#service vsftpd Restart reboot

Permanent start: #setup

#ps –ax | grep vsftpd to see if a process is started.

#chkconfig –level 2345 vsftpd on setting starts the process automatically when the system starts.

4. Visit vsftp

Enter FTP 192.168.0.1

Enter password enter after: LS view put upload get download

Leave bye

5. Configuration file

Primary configuration file/etc/vsftpd/vsftpd.conf

User control File/etc/vsftpd.ftpusers role: Specify which users can not access FTP, equivalent to a blacklist

Main configuration file:

Option=value

Note that the equals sign can not be added blank, otherwise it is not the correct setting.

===ascii Set =====================

Ascii_download_enable

Control is available in ASCII mode for downloading. The default value is No.

Ascii_upload_enable

Controls whether the ASCII mode is available for uploading. The default value is No.