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】
The above is the detailed content of What are the main functions of ftp. For more information, please follow other related articles on the PHP Chinese website!
What is thedifference between class and id selector?May 12, 2025 am 12:13 AMClassselectorsareversatileandreusable,whileidselectorsareuniqueandspecific.1)Useclassselectors(denotedby.)forstylingmultipleelementswithsharedcharacteristics.2)Useidselectors(denotedby#)forstylinguniqueelementsonapage.Classselectorsoffermoreflexibili
CSS IDs vs Classes: The real differencesMay 12, 2025 am 12:10 AMIDsareuniqueidentifiersforsingleelements,whileclassesstylemultipleelements.1)UseIDsforuniqueelementsandJavaScripthooks.2)Useclassesforreusable,flexiblestylingacrossmultipleelements.
CSS: What if I use just classes?May 12, 2025 am 12:09 AMUsing a class-only selector can improve code reusability and maintainability, but requires managing class names and priorities. 1. Improve reusability and flexibility, 2. Combining multiple classes to create complex styles, 3. It may lead to lengthy class names and priorities, 4. The performance impact is small, 5. Follow best practices such as concise naming and usage conventions.
ID and Class Selectors in CSS: A Beginner's GuideMay 12, 2025 am 12:06 AMID and class selectors are used in CSS for unique and multi-element style settings respectively. 1. The ID selector (#) is suitable for a single element, such as a specific navigation menu. 2.Class selector (.) is used for multiple elements, such as unified button style. IDs should be used with caution, avoid excessive specificity, and prioritize class for improved style reusability and flexibility.
Understanding the HTML5 Specification: Key Objectives and BenefitsMay 12, 2025 am 12:06 AMKey goals and advantages of HTML5 include: 1) Enhanced web semantic structure, 2) Improved multimedia support, and 3) Promoting cross-platform compatibility. These goals lead to better accessibility, richer user experience and more efficient development processes.
Goals of HTML5: A Developer's Guide to the Future of the WebMay 11, 2025 am 12:14 AMThe goal of HTML5 is to simplify the development process, improve user experience, and ensure the dynamic and accessible network. 1) Simplify the development of multimedia content by natively supporting audio and video elements; 2) Introduce semantic elements such as, etc. to improve content structure and SEO friendliness; 3) Enhance offline functions through application cache; 4) Use elements to improve page interactivity; 5) Optimize mobile compatibility and support responsive design; 6) Improve form functions and simplify verification process; 7) Provide performance optimization tools such as async and defer attributes.
HTML5: Transforming the Web with New Features and CapabilitiesMay 11, 2025 am 12:12 AMHTML5transformswebdevelopmentbyintroducingsemanticelements,multimediacapabilities,powerfulAPIs,andperformanceoptimizationtools.1)Semanticelementslike,,,andenhanceSEOandaccessibility.2)Multimediaelementsandallowdirectembeddingwithoutplugins,improvingu
ID vs. Class in CSS: A Comprehensive ComparisonMay 11, 2025 am 12:12 AMTherealdifferencebetweenusinganIDversusaclassinCSSisthatIDsareuniqueandhavehigherspecificity,whileclassesarereusableandbetterforstylingmultipleelements.UseIDsforJavaScripthooksoruniqueelements,anduseclassesforstylingpurposes,especiallywhenapplyingsty
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
SublimeText3 English version
Recommended: Win version, supports code prompts!
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
Notepad++7.3.1
Easy-to-use and free code editor
PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
