Tag Archives: vpn

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 »

VPN Technology Explained with Examples.

What is a Virtual Private Network? A Virtual Private Network (VPN) is a technology that creates a secure and encrypted connection over a less secure network, mainly the internet. It is widely used for various purposes, including enhancing security, privacy, and enabling remote access to network resources. Here’s a detailed overview: Fundamental Concept: Encrypted Connection: A VPN encrypts… Read More »

Site-to-Site VPN Access Explained with Examples.

What is Site-to-Site VPNs? Site-to-site VPNs securely connect entire organisation networks together; e.g. site-to-site VPNs can be used to connect a branch or remote office network to a company headquarters network. It allow multiple locations to securely connect to each other over the internet, creating a virtual network that spans across different physical sites. This type of VPN… Read More »

DHCP Snooping Explained.

What Is DHCP Snooping? The Dynamic Host Configuration Protocol (DHCP) allocates IP addresses dynamically, it leases addresses to connected devices and the addresses can be reused when no longer needed. All connected Hosts and end devices that require IP addresses obtained through DHCP must communicate with a DHCP server across the LAN. DHCP snooping acts like a firewall… Read More »