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Cloud Code Data Center Laptops & Desktops Load Balancing Routing & Switching Security Servers VOIP Wireless

Certificate Chains

HOW CERTIFICATE CHAINS WORK Certificate chains, also known as a chain of trust, work on the concept of Public Key...

Powershell – Find AD Active Users Password Expirations

Find Active Users with PW Expires Date/Time: Import-Module ActiveDirectory Get-ADUser -SearchBase "DC=cordero,DC=me" -filter {Enabled -eq $True -and PasswordNeverExpires -eq $False}...

Cloud Code Data Center Laptops & Desktops Load Balancing Routing & Switching Security Servers VOIP Wireless

Common Ports

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Common HTTP Response Codes

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Python – Find if a DNS Record Exists both Internally and Externally

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will scan both Internal and External DNS import dns.resolver...

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SDLC – Understanding the Git Flow: A Software Development Workflow

Creating a development workflow with PROD (Production) and DEV (Development) environments using branches in a version control system like Git...

Cloud Code Data Center Laptops & Desktops Load Balancing Routing & Switching Security Servers VOIP Wireless

Organizational Structures for IT – Network Leads & Network Architects

I’ve carried the Architect title over the years of being in IT. Below is my opinion on the difference between...

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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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Useful Powershell Commands

I’ll try to keep adding to this list....

Code Security

Python – Get TLS Versions with Cipher Suites

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script prompts for domain and gets the TLS version for...