badgd.blogg.se

The -u username in the command represents your MySQL username. Use the following command to establish a connection with your remote MySQL server: mysql -u username -h mysql_server_ip -p Your remote server is now ready to accept connections. Type the ensuing command to save the new iptables rules in CentOS: service iptables save Step 3: Connect to Remote MySQL Server Note: If the previous commands do not work, try installing the program with: sudo apt-get install iptables-persistent In an Ubuntu-based distribution type the following commands: sudo netfilter-persistent save It is necessary to save the changes made to the iptables rules. You would need to substitute it with the IP for your remote connection. To limit access to a specific IP address, use the following command instead: sudo iptables -A INPUT -p tcp -s 133.155.44.103 -dport 3306 -j ACCEPT Type the following command to open MySQL port 3306 to unrestricted traffic: sudo iptables -A INPUT -p tcp -dport 3306 -j ACCEPT The iptables utility is available on most Linux distributions by default. You have successfully opened port 3306 on your firewall. Sudo firewall-cmd -permanent -zone=mysqlrule -add-port=3306/tcp Sudo firewall-cmd -permanent -zone=mysqlrule -add-source=133.155.44.103

The name of the zone in our example is mysqlrule, and we used the IP address from our previous example 133.155.44.103: sudo firewall-cmd -new-zone=mysqlrule -permanent The firewalld management tool in CentOS uses zones to dictate what traffic is to be allowed.Ĭreate a new zone to set the rules for the MySQL server traffic. The system confirms that the rules were successfully updated. This IP limits MySQL connections to the local machine. The current default IP is set to 127.0.0.1. Scroll down to the bind-address line and change the IP address. You now have access to the MySQL server configuration file. If the MySQL configuration file is not it its default location try using the Linux find command to detect it. The location of the file may vary based on the distribution and version in use. Enter the following command in your command-line interface to access the MySQL server configuration file: sudo nano /etc/mysql//mysqld.cnf This example uses the nano text editor in Ubuntu 18.04. Use your preferred text editor to open the mysqld.cnf file. MySQL Server Remote ConnectionĪllowing connections to a remote MySQL server is set up in 3 steps:ģ. This article a must-read for anyone new to the process.

In case you need assistance, we have prepared a comprehensive tutorial on how to use SSH to connect to a remote server. Note: If you do not have direct access to your MySQL server, you need to establish a secure SSH connection.