====== Applications ======

^ Application  ^ Description                                                                                                                                                                                                                                                                        ^
| apache       | Apache is the world's most used web server software.                                                                                                                                                                                                                               |
| apparmor     | AppArmor is a Linux kernel security module that allows the system administrator to restrict program's capabilities with per-program profiles.                                                                                                                                      |
| arpwatch     | ARPWatch is a computer software tool for monitoring Address Resolution Protocol traffic on a computer network.                                                                                                                                                                     |
| Auditd       | The Linux Audit system provides a way to track security-relevant information on your system.  Based on pre-configured rules, Audit generates log entries to record as much information about the events that are happening on your system as possible.                             |
| clamav       | Clam Antivirus (ClamAV) is a free and open-source, cross-platform antivirus software tool-kit able to detect many types of malicious software.                                                                                                                                     |
| courier      | IMAP/POP3 server.                                                                                                                                                                                                                                                                  |
| dovecot      | Dovecot is an open-source IMAP and POP3 server for Linux/UNIX-like systems, written primarily with security in mind.                                                                                                                                                               |
| dropbear     | Dropbear is a software package that provides a Secure Shell-compatible server and client.  It is designed as a replacement for standard OpenSSH for environments with low memory and processor resources, such as embedded systems.                                                |
| firewalld    | FirewallD provides a dynamically managed firewall with support for network/firewall zones to define the trust level of network connections or interfaces. Default firewall management tool RHEL and Fedora.                                                                        |
| ftpd         | Simple FTP server.                                                                                                                                                                                                                                                                 |
| imapd        | imapd is the Courier IMAP server that provides IMAP access to Maildir mailboxes.                                                                                                                                                                                                   |
| mailscanner  | MailScanner is a highly respected open source email security system design for Linux-based email gateways.                                                                                                                                                                         |
| mysql        | MySQL is an open-source relational database management system (RDBMS).                                                                                                                                                                                                             |
| nginx        | Nginx is a web server with a strong focus on high concurrency, performance and low memory usage.                                                                                                                                                                                   |
| pam          | A pluggable authentication module (PAM) is a mechanism to integrate multiple low-level authentication schemes into a high-level application programming interface (API).                                                                                                           |
| php          | PHP is a server-side scripting language designed for web development but also used as a general-purpose programming language.                                                                                                                                                      |
| postfix      | Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail.                                                                                                                                                                              |
| postgresql   | PostgreSQL is an object-relational database management system (ORDBMS) with an emphasis on extensibility and on standards-compliance.                                                                                                                                              |
| proftpd      | ProFTPD is an FTP server.                                                                                                                                                                                                                                                          |
| Puppet       | Puppet is an open-source configuration management utility.                                                                                                                                                                                                                         |
| pure-ftpd    | Pure-FTPd is a free (BSD license) FTP Server.                                                                                                                                                                                                                                      |
| racoon       | Racoon is a key management daemon used for VPN connections.                                                                                                                                                                                                                        |
| roundcube    | Roundcube is a web-based IMAP email client.                                                                                                                                                                                                                                        |
| sendmail     | Sendmail is a general purpose internet email routing facility that supports many kinds of mail-transfer and delivery methods, including SMTP used for email transport over the internet.                                                                                           |
| smbd         | SMBD is a server that can provide most SMB services. The server provides filespace and printer services to clients using the SMB protocol.                                                                                                                                         |
| spamd        | spamd is a ISC-licensed lightweight spam-deferral daemon written under the umbrella of the OpenBSD project.  spamd works directly with smtp connections, and supports features such as greylisting, minimizing false positives compared to a system that does full-body analysis.  |
| squid        | Squid is a caching and forwarding web proxy.                                                                                                                                                                                                                                       |
| sshd         | sshd (SSH Daemon) is the daemon program for ssh.                                                                                                                                                                                                                                   |
| systemd      | Systemd is a software suite for central management and configuration of the GNU/Linux operating system.                                                                                                                                                                            |
| telnetd      | Telnet protocol daemon.                                                                                                                                                                                                                                                            |
| vsftpd       | vsftpd is an FTP server for Unix-like systems, including Linux.                                                                                                                                                                                                                    |
| wordpress    | WordPress is a free and open-source content management system (CMS) based on PHP and MySQL.                                                                                                                                                                                        |