Kerry CorderoPractical Network Engineering Notes
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Python – Convert Timezone from EST to UTC

When looking at logs, they are usually UTC. This script helps convert the time zone from EST to UTC &...
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Python – Find ASN and Subnets using an IP Address

MANUAL whois -h whois.cymru.com " -v [IP_ADDRESS]" whois -h whois.radb.net -- '-i origin ASXXXXX | grep -Eo "([0-9.]+){4}/[0-9]+"   PYTHON...
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AICloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

A Network Architect’s Guide to Technical Debt

Technical Debt in the Age of AI In infrastructure and networking, “technical debt” is often treated like a moral issue:...
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MacOS shebang for Bash Scripts

This will allow you to run Bash scripts from ZSH by just doing ./{script}. Shebang – From the CLI, add...
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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

Certificate Chains

HOW CERTIFICATE CHAINS WORK Certificate chains, also known as a chain of trust, work on the concept of Public Key...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Common Ports

CodeLaptops & DesktopsServers

Windows Powershell giving “execution of scripts is disabled” error

I was getting an error when I went to run a PowerShell script.  This was the error: PS C:\> .\kerrys-script.ps1...
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Code

Powershell – Find What AD Group a User is a Member Of

  Get-ADUser -Identity "kcordero" -Properties MemberOf | Select-Object -ExpandProperty MemberOf  ...
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CodeSecurity

SSO vs OAuth vs OIDC vs SAML: What’s the Difference?

These four terms get lumped together, but they answer different questions. The fastest way to keep them straight is to...
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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
  • Tools
    • Car Calculator
    • IP Calculator
    • RouteAgg
    • Subnet Breakout
    • VSLM
  • 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) AI AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting Microsoft IIS Microsoft SQL Microsoft Windows Netflow OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning PowerShell python QOS snmp Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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