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This guide details the comprehensive deployment of Cisco Duo Multi-Factor Authentication across critical access points like VPN, RDP, SSH, and web applications. It covers setting up the Duo Authentication Proxy, implementing adaptive access policies based on risk and device health, and deploying phishing-resistant methods like WebAuthn/FIDO2, ensuring compliance with NIST standards. Use this when hardening identity access management or establishing robust security controls.

This skill provides a comprehensive guide to hardening BGP using the Resource Public Key Infrastructure (RPKI). It covers the full lifecycle, including creating Route Origin Authorizations (ROAs) at Regional Internet Registries (RIRs), deploying RPKI validator software (e.g., Routinator), and configuring Route Origin Validation (ROV) on enterprise routers like Cisco IOS-XE and Juniper Junos. Use this when establishing critical network security controls to prevent route hijacking and leaks.

This guide details the deployment of Cisco Identity Services Engine (ISE) for comprehensive Network Access Control (NAC). It utilizes 802.1X authentication, MAC Authentication Bypass (MAB), and posture assessment to enforce security policies. Key features include integrating with Active Directory, assigning dynamic VLANs, and applying TrustSec Security Group Tags (SGTs) for advanced network segmentation in enterprise environments.

A comprehensive guide and pattern library for reviewing, troubleshooting, and safely modifying Cisco IOS and IOS-XE configurations. This skill outlines best practices for using read-only 'show' commands, validating ACL wildcard masks, managing configuration hierarchy, and following stringent change control procedures to prevent network disruptions.

A comprehensive guide and pattern library for reviewing, troubleshooting, and safely modifying Cisco IOS and IOS-XE configurations. This skill outlines best practices for using read-only 'show' commands, validating ACL wildcard masks, managing configuration hierarchy, and following stringent change control procedures to prevent network disruptions.