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Data CenterLaptops & DesktopsSecurityServers

DNS Authoritative vs Non-Authoritative (Recursive) and DNS Flows

DNS name servers are usually split into two categories:...
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Routing & SwitchingSecurity

Packet Capture – Cisco Nexus

Cisco Nexus switches use a slightly different syntax compared to the ASA series for packet capturing, which is accomplished through...
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Security

Okta HealthInsight Tasks and Recommendations

HealthInsight provides the following security tasks to improve security for an org. Security Task Why is this recommended? Security Impact...
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CloudData CenterLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

SD-WAN Requirement Questions for Vendor Evaluation

Below are some good questions you should be asking when looking into SD-WAN....
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Laptops & DesktopsSecurity

Packet Capture – Microsoft Windows Built-in Packet Capture PKTMON (Older NETSH TRACE)

Yes, both Windows 10 and 11 include a built-in command-line tool for packet capturing named “Packet Monitor” or pktmon. It...
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Security

Python – Scan FQDNS, Get the Expiration, and Display Results

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will scan a text document "dr-dns.txt", get the SSL...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Common Ports

Security

Palo Alto Cheat Sheet – Panorama

Routing & SwitchingSecurityServers

HTTP vs HTTP2 vs HTTP3

HTTP 1.1: HTTP 1.1 was released in 1997 and is still widely used today. It improved on HTTP 1.0 by...
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Routing & SwitchingSecurity

An Overview of Portnox Cloud TACACS+ and Comparison with Cisco ISE and Other NAC Solutions

Portnox Cloud TACACS+: Portnox provides a cloud-based TACACS+ solution, integrating it with RADIUS protocols for comprehensive network access control across...
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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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