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Routing & Switching

Python – Use RIPE to Research IP Subnet (BGP AS, Geolocation, Reverse DNS, CIDR Block, & Registration)

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will use RIPE to Research IP Subnet (BGP AS,...
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Laptops & DesktopsServers

Ping Sweep on a Windows Device

Command Prompt: for /L %i in (1,1,254) do @ping -n 1 4.2.2.%i | find "Reply" Powershell: 1..254 | % {...
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SecurityServers

Microsoft SQL Service Accounts

It is generally not a good practice to give service accounts DBO rights, unless absolutely necessary. Service accounts often interact...
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SecurityServers

Microsoft SQL DBO

In SQL Server, DBO refers to the database owner schema. The dbo schema is the default schema for a newly...
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Data CenterRouting & SwitchingServers

Large Data Transfers (backups) – What to look for from a Network, Server, and Storage Perspective

What if you had to transfer a large amount of Data for backups?  Where do you put them?  How do...
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Routing & Switching

Data Transfer Time

To calculate how long it would take to transfer a certain amount of data over a given network connection, we...
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Data Center

Power Distribution Units (PDU) in the Data Center

PDU, or Power Distribution Unit, is a device used in data centers and other computing environments for distributing electrical power...
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Laptops & DesktopsSecurityServers

Data Flow – HTTPS Traffic and Cipher Suites

Here’s a step-by-step breakdown of the data flow: DNS Resolution: The user enters “https://cordero.me” into their browser’s address bar. The...
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Routing & Switching

Cisco and VLAN 1

In Cisco switches, VLAN 1 refers to the default VLAN that is created automatically when the switch is initialized or...
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Servers

Data Flow – Postmark DNS

Postmark is an email delivery service that ensures emails are delivered quickly and reliably to their intended recipients. Postmark makes...
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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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