Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Kerry Cordero
JoinedMay 2, 2023
Articles664
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.
Routing & Switching

Cisco Stacks – Network Upgrades with ISSU and Cisco StackWise Virtual

In today’s fast-paced world, network reliability and uptime are critical for any business. However, network administrators often face a daunting...
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Security

Addressing Session Timeout Issues in Palo Alto Firewalls: PAN-216314

Issue: PAN-216314 Firewalls play an essential role in network security, and like any other sophisticated technology, they sometimes encounter issues....
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Routing & Switching

Understanding and Troubleshooting UDP Session Timeouts in Firewalls

When dealing with network traffic, understanding the behavior of different protocols is vital. UDP, or User Datagram Protocol, is a...
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Load BalancingServers

F5 – Redis Sentinel Load Balancing

When it comes to delivering high performance and availability for your applications, the combination of Redis, F5 Load Balancer, and...
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Security

Accepting Credit Cards: Exploring Options and Best Practices for Enterprises

Accepting credit card payments is a fundamental business requirement in the digital transformation era. For enterprises, choosing the correct method...
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Security

Packet Capture – Free PCAP Files for Learning

There are several repositories and websites where you can find free PCAP files for learning purposes: Wireshark Sample Captures: The...
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Code

Python – MX Scanner

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will look at a file called "mx-records.txt" and run...
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Load BalancingServers

F5 – Understanding “Action on Service Down” Options and Their Practical Implications

When configuring F5 Load Balancer, one crucial setting that impacts how the system manages traffic when a backend service becomes...
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Routing & SwitchingServers

Understanding Redis Master-Slave Architecture and Replication

Redis, a renowned database management system, employs a master-slave architecture to enhance performance and ensure data availability. This architecture is...
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Security

Palo Alto – Understanding Zone Protection: Spoofed IP Address vs. Strict IP Address Check

When configuring firewall settings, particularly in a Zone Protection profile on Palo Alto Networks (PAN-OS), it’s important to understand the...
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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 Splunk SSL Storage Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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