Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Kerry Cordero
JoinedMay 2, 2023
Articles656
20+ years of experience and proven performance in large scale enterprise network infrastructure architecture, design, implementation, migration, security, operation, troubleshooting, leading/managing teams, and budgets. I have a BS in Cybersecurity and a Master's from the University of Florida.
Cloud

Zscaler 101

  ZIA: Overview Zscaler Internet Access (ZIA) is a cloud-delivered secure internet and web gateway designed to protect users, applications,...
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Cloud

Zscaler – ZPA Application Segmentation & Connector Design: Best Practices

  1. Start With an Application Inventory (Even If It’s Incomplete) Why: You can’t segment what you don’t understand. Gather...
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Security

Power Up Your Firewalls: A Guide to Using Palo Alto’s EDL Hosting Service

Managing dynamic threat indicators across firewalls can be challenging—especially when you’re juggling multiple sources of threat intelligence. Palo Alto Networks...
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CloudData Center

Zscaler- Comprehensive Guide to Upgrading Zscaler App Connectors on Red Hat Linux

This guide provides detailed information about upgrading Zscaler App Connectors on Red Hat Linux, clarifying processes, terminology, and roles for...
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Laptops & DesktopsServers

DNS Troubleshooting Guide

  Core Concepts of DNS Before diving into troubleshooting, a quick review of key concepts is helpful: DNS Resolver: The...
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Cloud

Zscaler – ZPA App Connector Application Limit Design

The Problem You’re hitting the 6,000-application limit per App Connector because your current configuration sends all apps to every connector...
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AI

AI and the Future of Work – Geoffrey Hinton (AI Godfather)

Focus: What Geoffrey Hinton thinks about job disruption, timelines, and how individuals & societies can stay ahead. 1. Why This...
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CloudData Center

Zscaler – Security Fixes: Software vs. Manager Versions

What Happens When Zscaler Issues a High-Risk Security Fix? When Zscaler identifies and releases a high-risk security update: The fix...
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Servers

HTTP Status Code and IIS Configuration Troubleshooting Guide

HTTP Status Codes are three-digit numbers returned by a web server (like IIS) in response to an HTTP request from...
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Uncategorized

Protected: Test Email 2

There is no excerpt because this is a protected post....
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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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  • 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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