Kerry CorderoKISS IT Design Principle - Human Error Prevention
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TLS

Security

TLS and SSL version along with Windows Disabling/Enabling Versions for IIS, SQL, .NET

Let’s first go over TLS and SSL versions....
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Security

TLS Verification and Testing

HOW TLS WORKS TLS version negotiation is typically performed as part of the SSL/TLS handshake process. When a client initiates...
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Security

CURL – Does it Use Certificates When Testing HTTPS (SSL/TLS)

When using `curl` to make HTTPS requests, it does indeed use certificates as part of the TLS (Transport Layer Security)...
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Code

Python – Get TLS Versions

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

Test SSL-TLS Capabilities of Your Browser

Qualys SSL Labs’ SSL Client Test: Qualys Client Test...
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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 & 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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Laptops & DesktopsRouting & SwitchingSecurityServers

Data Flow – CURL and HTTPS

Let’s go through the steps and data flow when using `curl` to make an HTTPS request and check for an...
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Security

Palo Alto Force TLSv1.2 and TLSv1.3

Palo Alto Networks firewall doesn’t restrict the TLS version directly, but rather it identifies and controls applications regardless of port,...
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CodeLaptops & DesktopsServers

Powershell – Explicitly Check the Enabled SSL-TLS Protocols WinHTTP

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will check the Enabled SSL-TLS Protocols WinHTTP $Protocols =...
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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 macOS Microsoft IIS Microsoft SQL Microsoft Windows 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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