Instead, the link identifier of the already opened link will be With the same arguments, no new link will be established, but If a second call is made to mysql_connect() SQL safe mode, this parameter is ignored and empty password is used. Default value is defined by fault_password. SQL safe mode, this parameter is ignored and the name of the user that In SQL safe mode, this parameter is ignoredĪnd value 'localhost:3306' is always used. fault_host is undefined (default), then the default "hostname:port" or a path to a local socket e.g. If you are using MariaDB, you can also examine /etc/mysql//50-server.cnf and check if there is a definition for bind-address.Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search With this, the MySQL service will only listen to the local address. In this file, you need to open a field called and write the following command: Īfter this process, don't forget to save this file and restart the service with the following command: sudo systemctl restart mysqld The file you need to use for SSH tunneling instead of remote connection and to close the default port to the outside world is /etc/mysql/my.cnf. Since servers are usually run on a Linux distribution, the examples below are based on a Debian distribution. That's why you should set the MySQL service to listen only to the local address. As it stands, the MySQL port is open to the outside world. When you install MySQL, you will see that port 3306 is in listening mode for all connections. The MySQL service runs on port 3306 by default. Use SSH Tunneling Instead of Remote Connection
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