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Practical field notes, architecture references, and troubleshooting guides for modern network and security operations.
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View AllCisco FTD Upgrade with FDM
This guide documents a GUI-based upgrade of a Cisco Secure Firewall 3110 (FPR-3110-NGFW-K9) from FTD 7.2.8-25 to 7.6.6-115 using local FDM. It covers deploying pending changes, uploading the Cisco upgrade package, checking its SHA and MD5 values, running the readiness check, reviewing the rollback option, monitoring the upgrade, and confirming the new build on the FDM dashboard.
Configure and Verify DNS Records on Windows Server
Configure and verify A, PTR, CNAME, and Active Directory SRV records in a Windows Server DNS lab with secure-only dynamic updates, then confirm Windows 11 domain sign-in and automatic client A/PTR registration.
Cisco ISE Admin Access: Internal Users & Active Directory
This guide shows how to create a local Cisco ISE 3.5 Patch 0 Network Access User, add it as an Admin Portal administrator, assign Read Only access, and verify the login and Policy Sets view. It uses the lab account and does not cover endpoint or network-device authentication.
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View AllInitial Setup Cisco ISE
This guide walks through the initial setup of a Cisco ISE 3.5 Patch 0 virtual machine, including management network configuration, process verification, and first access to the Admin Portal and dashboard. It also records the evaluation license shown during the lab and optional post-install password operations.
Deploying IPsec Site-to-Site VPNs with FTD
Deploy IPsec Site-to-Site VPNs on Cisco FTD. This guide demonstrates how to move beyond basic encryption by routing decrypted tunnel traffic through the Snort engine for deep-packet threat inspection.
Installing Active Directory Domain Services on Windows Server
Active Directory Domain Services (ADDS) is a server role in Windows Server that functions as the backbone of identity and access management (IAM) for enterprise networks. It stores information about network resources and data—such as users, computers, and other devices—in a hierarchical database structure.
Extrahop Integration ECA, EXA, EDA
Extrahop integration with ECA, EDA and EXA.
Extrahop Installation ECA, EXA, EDA
ExtraHop is a Network Detection and Response (NDR) platform that provides complete visibility, real-time detection, and investigation capabilities by analyzing wire data. Unlike traditional log-based monitoring, ExtraHop analyzes network traffic (packets) to uncover blind spots, detect encrypted threats, and map application dependencies.
Register FTD with FMC
Guide on how to register Cisco FTD with FMC
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