Encrypt Your Linux Server Filesystem with eCryptfs

Encryption has become a highly requested feature on the web lately with all of the talk of government spying, heartbleed and general security concerns. While most discussion has centered around encrypting the transport of data (via SSL), you might also want your data encrypted on disk as well. On a Linux-based server, you can encrypt […]

Understanding Server Regulatory Compliance

If you are new to the server arena, you might not have considered the legal implications of running one or more websites or even having an entire hosting company. There are local, federal, and international laws that you might need to address, depending on the content and audience of your websites.
Environmental – Many locations […]

Obsolete Networking Apps You Should Never Use

Server management is a constantly evolving science. What was once perfectly acceptable technology for a dedicated server may now be considered obsolete. Such is the case with four technologies you should probably avoid on a server you intend to use for hosting websites.
FTP – This is one technology that is still widely used but […]

How to Securely Download a File from Your Server

Downloading a file from your server should not be tricky. If it is a web-facing file, you can usually download it with your web browser. If it is not, you could use FTP. The problem with both of these options, FTP and HTTP, is that neither is truly secure. If you need to download a […]

How to Enable SSL in Dovecot Mail Server

Dovecot is a free and open source POP3 and IMAP mail system that gives your server’s users access to their email. Many server installations include it out of the box as the default mail box agent, and most use it in conjunction with another mail delivery system.
Dovecot has some security features that may not be […]

FTP vs. SFTP

When you transfer files from your computer to your server or from one computer to another, you probably use an FTP program.  Some of those programs, like FileZilla, offer support for additional protocols like SFTP.  There is an important difference between FTP and SFTP, and you should know what both are before you start transferring […]

SSH Tunneling Explained

One of the beautiful features of SSH (Secure Shell) is the ability to use its encryption for other protocols. Although the primary function of SSH is to give the user access to a dedicated server’s command line shell, while also maintaining a secure connection, SSH can also function as a “tunnel” for remote management, […]

What Is OpenSSH?

SSH stands for Secure Shell. OpenSSH is the open source version of SSH. But what is it used for?
Secure Shell is a protocol for securing your network connections to prevent hacking, eavesdropping, and other server attacks. It is used to encrypt data that is passed from one computer to another. It is very important when […]