Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Kerry Cordero
JoinedMay 2, 2023
Articles649
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

Understanding the `disable-peer-as-check` Command in Cisco Nexus NX-OS BGP Configuration

Border Gateway Protocol (BGP) is an essential internet protocol that manages how packets get routed across the internet by exchanging...
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Laptops & DesktopsRouting & SwitchingServers

Test Jumbo Frames and MTUs with Ping

Jumbo Frames refer to Ethernet frames that carry a payload of up to 9000 bytes, instead of the standard 1500...
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Laptops & DesktopsServers

Powershell – Get Network Adapter Information

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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Data CenterRouting & Switching

Cisco Nexus 9000 Verified Scalability Limits

Routing & Switching

Design – Layer 2 Hardening

    Layer 2 hardening involves implementing various security features and practices to enhance the security and stability of Layer...
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Data CenterRouting & Switching

Facebook – Running BGP in the Data Center at Scale

Below is a great document from Facebook on running BGP in the DC at scale....
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Security

Palo Alto BEST PRACTICES FOR RANSOMWARE PREVENTION

From Palo Alto’s Website: Environment All PAN-OS Anti-Virus license   Resolution What is Ransomware? Ransomware is a family of malware...
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Security

Palo Alto Detect TLS 1.0 and 1.1

UPDATE: In Panorama PAN-OS 10.X: You cannot use the ‘equal-to‘ operator for custom signatures in this use case. The ‘negate‘...
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Laptops & DesktopsServers

Microsoft Windows AD Force Intersite Replication and Force DNS Update

Intrasite and Intersite Replication in Active Directory: Intrasite Replication: This is the replication that happens within a site. By default,...
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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

  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) API 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 Logging macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare
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