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DHCP (Dynamic Host Configuration Protocol) provides dynamic addressing information to hosts on a network such as IP addresses, subnet masks, default gateways, DNS servers, etc. Typically, physical DHCP servers (such as Microsoft Windows servers) are …
A Domain Name server is used to resolve Fully Qualified Domain Name to IP address. DNS uses both TCP and UDP Port 53 to resolve the DNS queries. The most frequently used port for DNS …
A computer network is a system where multiple different devices are connected together. These devices are interconnected and communicate with each other using some common standard called protocols. The computer network is created to share …
This post describes the different methods for password recovery for cisco Identity Service Engine (ISE) CLI and GUI based on the type of appliance being used. To recover admin password in Cisco ISE CLI, you need …
This post describes the method to recover expired or lost passwords for Cisco ISE GUI. Admin passwords can be different for CLI and GUI.You can reset the admin GUI password by logging in to Cisco …
This document covers the theoretical aspects of the GETVPN. It outlines the best deployment methods and best practices recommended by Solution Architects. GETVPN (Group Encrypted Transport) What is GETVPN? Cisco GETVPN delivers a revolutionary solution …
Cisco ACS is one of the best security product provided by Cisco. Cisco ACS is used to manage multiple Network and server devices. Cisco secure ACS is an authentication , authorization, and Accounting(AAA) access control …
ASA firewall can be divided into multiple virtual devices, known as Security Context. Each context acts as an independent firewall device, with its own security policy, interfaces, and administrators. Multiple contexts are similar to having …
Cisco ASA firewall Virtualization is a concept where ASA is divided into multiple virtual standalone firewalls and each virtual standalone firewall acts and behaves as an independent firewall with its own configuration, interfaces, Security Policies, …
IKEv2 is a new design protocol doing the same objective of IKEv1 which protect user traffic using IPSec. IKEv2 provides a number of benefits over IKEv1, such as IKEV2 uses less bandwidth and supports EAP …