HTTP, HTTPS, SSL / TLS Explained

HTTP, HTTPS, SSL / TLS Explained


HTTP vs HTTP vs SSL / TLS. This video explains the difference between these protocols. It also explains how SSL works and what is an SSL certificate. #SSL #HTTPS SSL certificates, domain names, or build a website and save up to 30% ►►

FTP (File Transfer Protocol), SFTP, TFTP Explained.

What is FTP, SFTP, & TFTP? These are protocols that are used to transfer files over a network. FTP (File Transfer Protocol) is the language that computers use

Intro to Digital Certificates

This tutorial starts with a review of Symmetric and Asymmetric (PKI) Encryption. It discusses self signed certificates and how an SSL certificate is used in a C

OSI Model Explained | OSI Animation | Open System Interconnection Model | OSI 7 layers | TechTerms

Learn computer network layers or OSI layers in a computer network, OSI Model, OSI reference model or open system interconnection model or networking model inclu

What is a TLS Cipher Suite?

When a web client (Internet browser) connects to a secure website, the data is encrypted. But, how does all that happen? And, what type of encryption is used?

How does your mobile phone work?

For most of us, a mobile phone is a part of our lives, but I am sure your curious minds have always been struck by such questions as to how a mobile phone makes

POP3 vs IMAP - What's the difference?

What is POP and IMAP? How does email work? This is an animated video explaining the difference between POP and IMAP. These are email protocols that are used to

How a DNS Server (Domain Name System) works.

This is an animated DNS tutorial showing what a DNS server is and how it works. It explains the different levels of DNS, such as the resolver, root server, dom

2.4 GHz vs 5 GHz WiFi: What is the difference?

Here is the dual band wifi router that I recommend (affiliate) This is an animated video explaining the difference between a 2.4 GHz vs

HDMI, DisplayPort, DVI, VGA, Thunderbolt - Video Port Comparison

This is an animated video explaining what HDMI, DisplayPort, DVI, VGA, & Thunderbolt are. A video port comparison. HDMI vs DisplayPort. VGA vs DVI. Video cab

Breaking Down the TLS Handshake

John walks through the process of the TLS handshake between client and server (BIG-IP).

Symmetric Key and Public Key Encryption

Modern day encryption is performed in two different ways. Check out or for more of our always free t

What is a DMZ? (Demilitarized Zone)

A DMZ, or demilitarized zone, is used to help improve the security of an organization’s network by segregating devices, such as computers and servers, on the

Network Topologies (Star, Bus, Ring, Mesh, Ad hoc, Infrastructure, & Wireless Mesh Topology)

What is a network topology? A topology is the layout of how a network communicates with different devices. In this video we discuss the star, bus, ring, mesh,

32 bit vs 64 bit

This is an animated video showing the difference between 32 bit and 64 bit computing.

How Secure Shell Works (SSH) - Computerphile

Connecting via SSH to a remote machine is second nature to some, but how does it work? Dr Steve Bagley. Dr Mike Pound on Hashing (mentions padding but full vid

NAT Explained - Network Address Translation

What is NAT? This is an animated video tutorial explaining how NAT works (network address translation). What's the difference between a public IP address and

Explaining TLS 1.3

The newest version of the TLS protocol was recently approved by the IETF -- version 1.3. There are several key changes in this protocol such as a requirement t

Hub, Switch, & Router Explained - What's the difference?

This is an animated video that explains the difference between a hub, switch, and a router. It explains how a router works, how a switch works and how a hub wo

PING and TRACERT (traceroute) networking commands

PING and TRACERT (traceroute) networking command line tools (cmd). How to ping websites. How to use the tracert command.

What is RAID 0, 1, 5, & 10?

RAID explained. This is an animated video explaining different RAID levels. It's a RAID tutorial of level 0, 1, 5, & 10. Redundant array of independent disks

TCP vs UDP Comparison

This is an animated video explaining the difference between TCP and UDP protocols. What is TCP? What is UDP? Transmission control protocol vs user datagram p

Port Forwarding Explained

This is an animated port forwarding tutorial. It explains how to port forward and it also explains what are network ports.

Will Quantum Computers break encryption?

How do you secure messages over the internet? How do quantum computers break it? How do you fix it? Why don't you watch the video to find out? Why does this des

M.2 NVMe SSD Explained - M.2 vs SSD

M.2 NVMe SSD that I recommend (affiliate) M.2 vs SSD comparison. What is an M.2 SSD? What is NVMe? This is an animated video explaini

DHCP Explained - Dynamic Host Configuration Protocol

What is DHCP? This is an animated video explaining DHCP - Dynamic Host Configuration Protocol. Also explains the difference between a static IP vs dynamic IP.

Digital Certificates: Chain of Trust

This video explains how an Certificate (such as an SSL type) is validated by a client. Concepts discussed are digital signatures, Root CA and Intermediate CA.

NAS vs SAN - Network Attached Storage vs Storage Area Network

What is the difference between a NAS (network attached storage) and a SAN (storage area network)? Here is an example of a NAS (affiliate)

Modem vs Router - What's the difference?

This is an animated video describing the difference between a modem and a router. It discusses how a modem works and how a router works. Here is the wifi route

RAM Explained - Random Access Memory

Here is the RAM that I use in my PC: (affiliate) This is an animated video RAM tutorial. Topics include how RAM works, RAM speed, DRAM,

NAT - SNAT, DNAT, PAT & Port Forwarding

In this video, I will talk about how classic private TCP/IP network was set up for the first two decades of the Internet. Why it did not work? What is network a
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