What is a Man in the Middle Attack? A man-in-the-middle (MITM) attack is carried out by intruders who successfully position themselves between two legitimate hosts. The attacker can enable normal communication between hosts while altering the conversation between them. The attacker can intercept and modify data exchanged between the two hosts, allowing them to steal sensitive information such… Read More »
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 »
What is a Remote-access VPN? In Remote-access VPNs, individual hosts or clients, such as telecommuters, mobile users, and extranet consumers, can access a company network securely over the Internet. Each host typically has VPN client software loaded or uses a web-based client. A remote-access VPN host or client typically has VPN client software. Whenever the host tries to send… Read More »
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 »
What Is a Complex Access Control Lists? Complex Access Control Lists (ACLs) in network security are advanced configurations of ACLs that go beyond basic permit or deny rules based on source and destination IP addresses. They provide a more advanced level of control over network traffic, enabling network administrators to implement detailed and specific security policies. Here’s an… Read More »
