What are the main functions of ftp
The main functions of ftp are: 1. Connect to the FTP server and manipulate the upload, download and backup of data. The FTP server is a server that supports the FTP protocol; 2. Can access physical remote servers.
#The operating environment of this article: Windows 7 system, Dell G3 computer.
FTP (File Transfer Protocol) is a communication rule between a server and a client. Currently, in addition to the communication method in the original sense, the term FTP is often used in many ways, such as FTP server and FTP Client (software).
When we build a website locally and transfer image data to a Web server, we need FTP. P in the FTP terminology represents protocol, which represents the protocol for performing transfer work. We can use FTP software to connect to the server. , then select the file to be uploaded to the web server, then transfer it and overwrite it, and update the web server's public data.
In recent years, FTP and its security have also been improved on websites created and managed. Originally FTP was a historical technology. With the birth of the Internet, ftp has been improved, making it Safer and easier to use.
What is the mechanism of FTP communication
FTP is a way of relaying and transmission. FTP connects the entire communication. Specifically, it is used as an FTP server. Data exchange with FTP clients. The FTP server is located on the Internet side and connected to the web server. Therefore, you can control the files in the web server by operating the FTP server.
The difference between SFTP and FTP
SFTP is one of the improved versions that makes FTP more secure in terms of security. The S of SFTP is the abbreviation of SSH (Secure Shell). The FTP communication channel is not encrypted. Therefore, it is said that there is a possibility of third party intrusion and there is a danger.
FTP port
Under normal circumstances, 21 is the control connection and 20 is the data connection.
What are the main functions of ftp
Connect to the FTP server and manipulate data and data upload, download and backup, as well as access to physical remote servers.
The above is a complete introduction to the main functions of ftp. If you want to know more about HTML video tutorial, please pay attention to the php Chinese website.
【Recommended reading:Which ftp software is easy to use】
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