Use the Apache FTP client to obtain the file list on the FTP Server FTP Response 421 resolved ed. Server closed connection
@ For & ever 2009-12-09
Use the Apache FTP client (Java open-source package commons-net-2.0) to obtain the file list on the
When I connect to a FTP server by typing ftp: // SERVERNAME
I got the following error messages:
421 too extends users, please try it later.
What's the reason?
[Answer]
This is because there are too processing users in the server currently.
A brother visited FTP, found that only one user login, the second user login FTP error, prompted: "421 User (maximum) already logged in, sorry "Possible reasons: Shared IP VPS only gave a few custom ports can be used, regardless of maxclientsnumber
FTP protocol uses a series of simple protocols to complete the various tasks of file transfer, when sending commands, always at the end of the command plus a carriage return line character,
IP/TCP protocol ftp: FTP. Chapters do not look, nonsense a
1. Introduce
The goal of FTP is to improve file sharing, to provide indirect use of remote computers, and to make storage media transparent and reliable and efficient for users to transmit data. Although we can also use it manually, its main
Recently, the company has an internal competition (hackathon), enrolled in such a tournament, while preparing the entries (the participating servers need to build their own), taking this opportunity, decided to put the knowledge of the Tomcat
Files Transfer Protocol (file Transfer Protocol, FTP)1. IntroduceThe goal of FTP is to improve file sharing, to provide indirect use of remote computers, and to make storage media transparent and reliable and efficient for users to transmit data.
1. Introduce
The goal of FTP is to improve file sharing, to provide indirect use of remote computers, and to make storage media transparent and reliable and efficient for users to transmit data. Although we can also use it manually, its main
Yum install vsftpd
2. Start/restart/shut down the vsftpd Server[Root @ localhost ftp] #/sbin/service vsftpd restartShutting down vsftpd: [OK]Starting vsftpd for vsftpd: [OK]OK indicates that the restart is successful.Change restart to start/stop for
Content:1. FTP protocol2, the construction and configuration of VSFTPDFirst, the FTP protocol1. FTP protocol:FTP is the abbreviation for file Transfer Protocol (document Transfer Protocol), and Chinese is called "Interfax protocol". Works on the
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