Category: Technobabble

This is a catch all category for hopefully simple descriptions of technical concepts.

Cloudflared vs CGNAT Part 4 Using Cloudflare

Published on April 21, 2023 at 11:01 am by LEW

Introduction

This is what it all comes down to, using the Cloudflare tunneling to gain access from the Internet to¬† your private LAN when you are behind CGNAT. (more…)

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Cloudflared vs CGNAT Part 3 CGNAT Greed

Published on April 18, 2023 at 7:04 am by LEW

Introduction

A few Internet Service Providers (ISP) have valid technical reason for how they do Carrier Grade Network Address Translation (CGNAT). For the majority, to quote the bard (Jimmy Buffett) “it’s a matter of simple greed”. Let me explain. (more…)

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Cloudflared vs CGNAT Part 2 NAT Router

Published on April 15, 2023 at 5:59 am by LEW

Introduction

In this installment we are going to discuss your home router, Network Address translation (NAT), and how they interact with devices on your home Local Area Network (LAN) allowing you to access the Internet. (more…)

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Cloudflared vs CGNAT Part 1 Packets

Published on April 14, 2023 at 5:30 am by LEW

Introduction

This is the first in a series of posts discussing using Cloudflare Zero Trust (available though a free Cloudflare account) to bypass ISP CGNAT restrictions. In my experience, to date, this is the easiest way to achieve Internet connectivity for local servers, while using providers that have embraced CGNAT. (more…)

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Certificates and Security, Part 2

Published on March 17, 2023 at 2:36 pm by LEW

Introduction

In the last post we talked about encryption. Specifically we addressed symmetrical and asymmetrical encryption, along with PGP public/private keys. But we did not really get into the math, which can be quite complicated. (more…)

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