Category Archives: online security

Network Monitoring Tools.

What are the Ways to Monitor your Computer Network? Monitoring the network can be a tedious task, especially when it’s a large one. As a network administrator, you have to ensure that your computer network systems are running smoothly and that no outages occur on your watch. Keeping a constant eye on your network helps to increase the… Read More »

Understanding PPP – PAP Explained with Examples.

What is the Password Authentication Protocol? The Password Authentication Protocol (PAP) is a simple authentication protocol used in networking environments. It operates by having the user send a username and password to the server, which are then verified against a known list of usernames and passwords. If it is accepted, the connection is allowed. PAP is not interactive… Read More »

Static and Dynamic NAT – Explained with Examples.

What is Static and Dynamic NAT? Both static and dynamic NAT require that enough public addresses are available to satisfy the total number of simultaneous user sessions. What is Static NAT Static NAT also called inbound mapping, is the process of mapping an unregistered IP address to a registered IP address on a one-to-one basis. The unregistered or… Read More »

What is VTY Telnet Access?

VTY (Virtual Teletype) Telnet access refers to a method of remote access to a network device, such as a router or switch, through the Telnet protocol using virtual terminal lines. This method is widely used in network management. Let’s break down these concepts for a comprehensive understanding: Virtual Teletype (VTY): VTY is a virtual port on a network… Read More »

Understanding Windows Firewall.

Windows Firewall Explained with Example A firewall is a hardware or software that monitors the traffic moving through a network gateway. A firewall can be configured to block or allow traffic based on defined criteria (ACLs). Firewalls block or allow random pings from a remote site to your computer or programs from your computer that attempt to access… Read More »