Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Powershell – Remote Commands

OPTION 1 To run the `ipconfig /displaydns` command on a remote PC named “pc-kcordero” in a Windows environment, you can...
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Security

EIN vs SSN Numbers

EIN (Employer Identification Number) and SSN (Social Security Number) are both unique identification numbers used in the United States, but...
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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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Security

Certificate Testing Site

This site is good for testing thinks like TLS versions and Untrusted Root. https://badssl.com/ https://untrusted-root.badssl.com https://tls-v1-0.badssl.com/ https://tls-v1-1.badssl.com/ https://tls-v1-2.badssl.com/...
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Security

Windows AD GPP cpassword Exposure

Below I’ll show you how easy it is to get the cpassword.  There are environments where this password could be...
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Security

Cisco ASA Site-to-Site VPN Tunnel IKEv1 and IKEv2 Best Options

Below is a good template to use when creating a Site-to-Site VPN Form but the settings are something you want...
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Security

Keeping Up-to-Date with Application Changes: The Key to Avoiding Outages

In today’s rapidly evolving technological landscape, staying up-to-date of application and security updates is not just beneficial—it’s critical for avoiding...
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Security

Okta MFA O365 Email – Do Not Use Basic Auth

Basic Auth – requires only username/password and not compatible with 2-step authentication  (LEGACY – Bypasses MFA requirements)...
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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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Laptops & DesktopsSecurity

Palo Alto Ignore List and the Windows Run-As Command

You may run across a time when Window’s service accounts come across your Palo Alto FW taking over the logged...
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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 Microsoft IIS Microsoft SQL Microsoft Windows Netflow OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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