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Data Flow – Windows AD DNS with Conditional Forwarders

Here’s a simplified breakdown of the data flow that occurs when a client computer in an Active Directory (AD) environment...
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Routing & SwitchingSecurity

WHOIS Check Expiration

  whois cordero.me | grep -i 'expiry' Registry Expiry Date: 2027-07-17T21:24:32Z  ...
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SecurityServers

Microsoft Recommended Block Rules

From Microsoft:...
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SecurityServers

Microsoft AD Trusts from a Security Perspective

SEC-NET = Secure Network LESS-NET = The Less Secure Network When it comes to setting up domain trusts between networks...
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Laptops & DesktopsRouting & SwitchingServers

Test Jumbo Frames and MTUs with Ping

Jumbo Frames refer to Ethernet frames that carry a payload of up to 9000 bytes, instead of the standard 1500...
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Laptops & DesktopsRouting & Switching

Troubleshooting – Finding Laptop with only the DNS Name

Finding the switch port that a laptop is connected to with just its DNS name requires a few more steps...
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Laptops & Desktops

Windows 11 WSL Error – Please enable the Virtual Machine Platform Windows feature and ensure virtualization is enabled in the BIOS

I was installing Ubuntu in Windows 11 using WSL. I was getting the error below: “Please enable the Virtual Machine...
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Security

Microsoft Cybersecurity Reference Architectures

Source:https://docs.microsoft.com/en-us/security/cybersecurity-reference-architecture/mcra...
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Laptops & DesktopsServers

Powershell – Search Computer Names

I wanted a way to server for servers with specific partial names. For example, let us say I’m searching for...
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Laptops & DesktopsServers

Powershell – Get Network Adapter Information

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  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • AWS Well-Architected Framework
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
    • Palo Alto PCNSE Study Guide
  • IP Calculator
  • Links
  • Contact

Categories

  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting LAG Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Storage Structured Cabling TCP TLS Troubleshooting Upgrade VMWare
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