Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Python – IP Location and Subnet Scanner

This script was developed to address a specific scenario where vendors provide a range of IP subnets to be whitelisted....
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Code

Python – Get TLS Versions

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script prompts for domain and gets the TLS version for...
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CodeSecurityServers

API 101

What’s an API? API stands for Application Programming Interface. It’s a set of rules and protocols for building and interacting...
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Business ManagementCloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

The Crucial Role of Vendor Relationships in IT Infrastructure Management

In a landscape as interconnected as Information Technology, the adage by John C. Maxwell, “Teamwork makes the dream work…” perfectly...
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CodeLaptops & DesktopsServers

Windows Powershell giving “is not digitally signed” error

I was getting this error: File C:\Scripts\XXXXXX.ps1 cannot be loaded. The file C:\Scripts\XXXXXX.ps1 is not digitally signed. You cannot run...
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CodeLaptops & DesktopsServers

Powershell – Explicitly Check the Enabled SSL-TLS Protocols WinHTTP

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will check the Enabled SSL-TLS Protocols WinHTTP $Protocols =...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Planning – IT Naming Convention

This post provides a consistent naming convention for your enterprise resources to ensure clarity, consistency, and easy identification.   Importance of...
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CodeSecurity

API Troubleshooting

Troubleshooting an API issue involves understanding the specific problem, checking logs, examining request and response data, and more. Here are...
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Business ManagementCloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

The Crucial Role of Documentation and Diagrams in IT Infrastructure Projects

In today’s rapidly evolving IT landscape, deploying new components like firewalls demands more than technical know-how. Effective knowledge transfer mechanisms...
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Powershell – Dump all AD Email Addresses

  Get-ADUser -Filter * -Properties DisplayName, EmailAddress, Title | select DisplayName, EmailAddress, Title | Export-CSV "C:\Scripts\Email_Addresses.csv"  ...
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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

  • AI
  • 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 macOS 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 TLS Troubleshooting Upgrade VMWare Zscaler
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