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DigitalOcean LAMP Firewall | Setup Guide

by | Dec 6, 2022

Let’s look into the details of the DigitalOcean LAMP Firewall in this article. At Bobcares, with our DigitalOcean Managed Services, we can handle your DigitalOcean LAMP issues.

DigitalOcean LAMP Firewall

A “LAMP” stack is a collection of open-source apps that are commonly used together to allow a server to run dynamic websites and PHP-coded web apps. This word is an abbreviation for the Linux operating system and the Apache web server. PHP processes dynamic content and a MySQL DB store the site’s data.

DigitalOcean LAMP Firewall – Setup

After we create a LAMP One-Click Droplet, we can also see the instance right away by going to the Droplet’s IP address in the browser. We can access the Droplet as admin. We can also know more about the PHP setup by logging into the Droplet and running php -i. The 1-click also enables the UFW firewall to allow only SSH, HTTP, and HTTPS access.

digitalocean lamp firewall

When hosting many sites, it is simpler to manage updates by creating an Apache virtual hosts file for each website. This saves the default setup as the fallback, as intended. We must first make two items for each domain: a new directory in /var/www for the content of that domain and a new virtual host file in /etc/apache2/sites available for the setup of that domain.

The installation of an SSL certificate makes the web server capable of using HTTPS. It encrypts the communication between the server and the clients using it. We can set up SSL certificates on a server automatically and for free with Certbot. To make securing the Droplet simpler, we can incorporate it into the LAMP One-Click.

A registered domain name and two DNS records are necessary to use Certbot: An A record connecting a domain to the IP address of the server and An A record from a domain with the www prefix to the IP address of the server. Additionally, if we’re using a virtual hosts file, ensure the server name directive in the VirtualHost block is appropriately set to the domain.

We may create the SSL certificate after setting up the virtual host files and, if necessary, the DNS records. Don’t forget to change the domain in the command.

certbot --apache -d example.com -d www.example.com

The firewall has previously accepted HTTPS traffic on port 443. Optionally, we can block HTTP traffic on port 80 after HTTPS is setup:

ufw delete allow 80/tcp

Using SFTP or other technologies, we may upload files from the web server to the web root (/var/www/html) for serving. An index.html web page is already there in a new LAMP Droplet. It is changeable by adding a unique index.html file or by deleting it.

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Conclusion

The article provides the details of the DigitalOcean LAMP Firewall in this article along with its setup steps from our Tech team.

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