Configuring a Squid Proxy Server Squid Squid is a proxy server and web cache daemon. It has a wide variety of uses, from speeding up a web server by caching repeated requests; to caching web, DNS and other computer network lookups for a group of people sharing network resources; to aiding security by...
Uncomplicated Firewall (ufw) is a firewall configuration tool that is designed to be use. It uses a command line interface consisting of a small number of commands, and uses iptables for configuration.
Tip #1: Know where to look
If you’re having trouble with Apache, or seeming to have trouble with one of its modules, your first stop should be in looking over Apache’s detailed error log. Depending on how your system and Apache are configured, the error log may live in different locations. The default location for this file is a file named error_log located in the logs directory inside your Apache root installation. If you can’t find your error log, open the httpd.conf configuration file and look for the ErrorLog directive, which defines the location.
Postfix
In computing , postfix is a free and open source mail transfer agent (MTA) that routes and delivers electronic mail. It is intended as a fast , easier to administer, and secure alternative to the widely used SENDMAIL MTA.
DHCP
The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks. Computers that are connected to IP networks must be configured before they can communicate with other computers on the network. DHCP allows a computer to be configured automatically, eliminating the need for intervention by a network administrator. It also provides a central database for keeping track of computers that have been connected to the network. This prevents two computers from accidentally being configured with the same IP address.
Apache (httpd)
A web server can be referred to as either the hardware (the computer) or the software (the computer application) that helps to deliver content that can be accessed through the Internet. The most common use of Web servers is to host Web sites but there are other uses like data storage or for running enterprise applications. The Apache HTTP server commonly referred to as Apache, is web server software notable for playing a key role in the initial growth of the World Wide Web.
Squid
Squid is a proxy server and web cache daemon. It has a wide variety of uses, from speeding up a web server by caching repeated requests; to caching web, DNS and other computer network lookups for a group of people sharing network resources; to aiding security by filtering traffic.
Vsftpd
Vsftpd, which stands for “Very Secure FTP Daemon”, is an FTP server for Unix-like systems, including Linux written from the ground up with security in mind.
