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I want to set up an FTP server and FTP user on my Lightsail instance running Amazon Linux 2, CentOS, Ubuntu or Debian. How can I do this? Resolution Note: FTP transmits all data and passwords as plain text. SFTP is a more secure way to connect to your instance and transmit data. For information on…

While the mailserver generally requires little interaction for those sending or receiving average volumes of email, there may be times when you wish to manage Exim’s settings. To do so, first log in to your server in a terminal client using secure shell (SSH). Use the following commands to work with Exim. Display the number…

Chrome and Firefox have started showing insecure warnings on sites without SSL certificates. Without SSL, your website will show insecure to the visitors. Therefore, using an SSL-encrypted connection for safety, accessibility or PCI compliance reasons is necessary. It becomes very important to redirect from HTTP to HTTPS. What is SSL? SSL (Secure Sockets Layer) is…

Introduction SQLi is the manipulation of a security flaw in database systems. WordPress, as a platform, runs server-side scripts in PHP and uses SQL databases. Hence, SQL and PHP make WordPress websites vulnerable to attackers. They could insert malicious URLs (which are embedded with commands) that trigger unwanted behaviors from your database. Consequently, your database’s…