Internet Protocol or IP is designed to create a worldwide network to connect every computer to each other. OSI reference model creates a model where different protocols and networks can be defined and IP is...
Packet Sniffing is the process to capture packets. Generally, computer network packets are sniffed. Packet sniffing may seem very simple but in reality, it provides a lot of complexity related to the protocols, network mediums,...
Today Firewall is depicted as the main component of the security and networks. Firewalls provide a lot of different operations and features. In the old days, the firewall was simply used to block or allow...
IP addresses are the core mechanism of the Computer networks. The IP address is used to specify the host to communicate and transmit data. There is two type of IP address configuration mechanism. Dynamic and Static. In...
Google is a huge company which provides paid and free services. It mainly operates in the IT and internet area. Internet uses DNS in order to solve domain names into IP addresses. Because internet infrastructure...
DNS is used to translate between a human-readable name like poftut.com and IP address like 45.79.1333.118. DNS can use both UDP and TCP protocols but generally, UDP protocol is preferred. In this tutorial, we will...
Internet and most of the network infrastructures uses IP Protocol. IP protocol uses IP addresses in order to connect different hosts and networks over globe. Classless Inter Domain Routing or CIDR is hierarchical IP addressing...
TTL is the short code for Time To Live. TTL is located in IP packets where it is used to hold the count of intermediate hops. TTL is value is set by source host. Windows...
Linux provides different philosophy and use cases from system point of view. socat is very interesting command which provides us the ability to redirect input and outputs from different type of system resources like network,...
Computer networking provides a lot of features for remote usage. But remote access may have some problems. Computer networks provides some basic tools in order to check and detect these problems. In this tutorial we...
