257 тысяч подписчиков
149 видео
Looking inside an SSL Certificate with OpenSSL
Hub, Bridge, Switch, Router - Network Devices - Networking Fundamentals - Lesson 1b
Public Key Infrastructure - What is a PKI? - Cryptography - Practical TLS
OSPF LSA - the BEST explanation of the Types of OSPF LSAs
🎬 Let's do Packet Tracer labs together - DHCP, VLANs, EtherChannel, Switching, Routing - PTL4
Native VLAN - the DEFINITIVE illustration
TLS / SSL - The complete sequence - Practical TLS
Diffie-Hellman Key Exchange - the MAGIC that makes it possible - Cryptography - Practical TLS
Packet Traveling - How Packets Move Through a Network
Dynamic NAT - Network Address Translation
Static NAT - Network Address Translation
Encryption - Symmetric Encryption vs Asymmetric Encryption - Cryptography - Practical TLS
Policy NAT - Network Address Translation
RSA Algorithm - How does it work? - I'll PROVE it with an Example! -- Cryptography - Practical TLS
how do you find the number of subnets from a mask?
Address Resolution Protocol (ARP) in less than 5 minutes
Fixed-Length Subnet Mask (FLSM) - Subnetting Mastery - FLSM and VLSM Appendix Part 1 of 2
HSTS - HTTP Strict Transport Security - Protect against SSL Stripping attack - Practical TLS
How do SSL & TLS protect your Data? - Confidentiality, Integrity, Authentication - Practical TLS
Digital Signature Algorithm (DSA) - Cryptography - Practical TLS
HTTP vs HTML: Unveiling Network Protocols using Telnet
TLS 1.3 - What Changes? What stays the same?
What is a Hub?
What is a Router?
TLS 1.3 Cipher Suites - Here is what CHANGES!
How do Routers work? What is a Routing Table?
What are Subnets?
OSI Model Layer 5, 6, and 7 -- Session, Presentation, & Application Layers -- what they actually do
PRFs explained: Transforming Secrets into Infinite Keys - Pseudo Random Functions
OpenSSL - Encrypting and Decrypting Private Key Files
NAT vs PAT, Static vs Dynamic -- demystified! -- Network Address Translation
How does NAT conserve IP Address Space? (and why!) - Network Address Translation
🎬 Packet Tracer challenge: Find the Imposter - Layer 2
Hashing, Hashing Algorithms, and Collisions - Cryptography - Practical TLS
🔴 VLSM Mastery - VLSM Problems using only scratch paper - Live Stream Replay
🎬 Packet Tracer challenge: Find the Imposter - Layer 2 - SOLUTION VIDEO
Keychains / Key Rotation / hmac-sha keys - OSPF Authentication - Practical OSPF
TCP - 12 simple ideas to explain the Transmission Control Protocol
Public and Private Keys - Signatures & Key Exchanges - Cryptography - Practical TLS
Subnetting in the /17 - /24 range - Subnetting Mastery - Part 6 of 7
Twice NAT - Network Address Translation
Designated Router // Backup Designated Router // DR BDR Election // Practical OSPF // Lesson 6
OSPF Areas and OSPF Types of Routers - Practical OSPF - Lesson 2
Binary - The SIMPLEST explanation of Counting and Converting Binary numbers
🎬 Let's do Packet Tracer labs together - VLANs, DHCP, DHCP Relay, Trunking, SVIs, L3 Switch
May 9, 2023
Can I rebuild an OSPF topology using ONLY the LSDB?
OSPF Neighbor Adjacency States: DOWN ATTEMPT INIT 2-WAY EXSTART EXCHANGE LOADING FULL
Wildcard Masks -- What are they? How do you convert them? What are they used for?
What are IP Addresses?
Named ACL Syntax -- Access Control Lists (ACLs) -- Part 4 of 8
