Email Greylisting. How does greylisting work?

By | 2016-11-29T13:50:25+00:00 November 29th, 2016|

Spamming is a major concern for all Internet users. Greylisting and tarpitting are two methods to discourage or stop email spamming. We are going to see these methods in detail in this article.   What is Spam A spam email is the one you've received in your inbox when it has not specifically been asked [...]

What is DHCP?

By | 2016-10-14T15:59:43+00:00 October 14th, 2016|

DHCP (Dynamic Host Configuration Protocol) is a standardized network protocol. It is used in Internet Protocol networks for dynamic distribution of network configuration parameters, such as IP addresses for interfaces and services. A DHCP server can run on an operating system such as Linux or Windows and is used to distribute IP addresses automatically to [...]

How to Use IP Command in Linux

By | 2018-08-10T11:18:30+00:00 September 22nd, 2016|

IP command is a command with more features that ifconfig. The command helps to do various tasks related to network administration. Today, ifconfig command is the least used command.   Setting and Deleting an IP Address $ sudo ip addr add IPaddress/24 dev eth0 In this the IP address includes a prefix. This is used [...]

Types, Features and Classes of IP Address

By | 2018-08-29T20:11:24+00:00 September 8th, 2016|

The IP address is a familiar term for most computer users. An IP address is the unique numerical address of a device in a computer network that uses Internet Protocol for communication. The IP address allow you to pinpoint a particular device from the billions of devices on the Internet. To send you a letter, [...]