Which ports should be opened when using PHP?

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Release: 2023-07-26 14:31:48
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To use PHP, you need to open HTTP (port 80), HTTPS (port 443), FTP (port 21), SMTP (port 25), POP3 (port 110), IMAP (port 143), MySQL (port 3306) ) and MongoDB (port 27017). 1. HTTP is the basic protocol for web applications; 2. HTTPS is an encrypted HTTP protocol; 3. FTP is used to securely transmit sensitive data; 4. SMTP protocol can send emails, etc.

Which ports should be opened when using PHP?

The operating environment of this tutorial: windows10 system, php8.1.3 version, DELL G3 computer.

When using PHP to develop network applications, you need to open some ports to communicate with other services or clients. Below are some commonly used ports and their uses in PHP development.

1. HTTP (port 80): HTTP is the underlying protocol for web applications, and PHP is commonly used to handle HTTP requests and responses. When accessing a PHP web page through a browser, data will be transferred via HTTP (port 80).

2. HTTPS (port 443): HTTPS is an encrypted HTTP protocol used to securely transmit sensitive data. Web applications developed using PHP can use HTTPS ports to provide secure communication.

3. FTP (port 21): Use PHP to create an FTP client or server for file upload and download. FTP servers usually listen on port 21 so that clients can connect and perform file transfers.

4. SMTP (port 25): PHP can use the SMTP protocol to send emails. The SMTP server listens on port 25 to receive emails from PHP applications and sends them to the target mail server.

5. POP3 (port 110): The POP3 protocol is used to receive emails from mail servers. PHP's POP3 client can connect to port 110 to view and download emails.

6. IMAP (port 143): The IMAP protocol is also used to receive email, but is more powerful than POP3 because it can keep a copy of the email on the server and supports functions such as folder management. Email clients developed using PHP can connect to port 143 using IMAP.

7. MySQL (port 3306): If your PHP application needs to interact with the MySQL database, you need to open the MySQL server on port 3306. In this way, the PHP program can connect to the database through the MySQL protocol and perform operations such as querying and updating.

8. MongoDB (port 27017): If you choose to use MongoDB as your database, you need to open the MongoDB server on port 27017. PHP programs can connect to the MongoDB server through the MongoDB driver and perform data operations.

In addition to the ports listed above, there are some other ports that may also be used in PHP development, depending on the third-party service or protocol you use. Before developing and deploying an application, it is recommended to carefully understand and plan the required ports. At the same time, pay attention to network security and ensure that only authorized services and clients can access open ports. .

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