Playlist · Practical Networking

Every PracNet Video

by Practical Networking · 65 videos

Total watch time

11h 31m

at 1× speed · exactly 11 hours, 30 minutes, 43 seconds at 1×

At an hour a day you'd finish in 12 days

The shape of the course

65 videos in blocks of 10 · each column is a block's total, to scale

1h 19m
1h 44m
2h 15m
4h 19m
44m 34s
45m 34s
23m 26s

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About 12 days at an hour a day

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Videos (65)

11h 31m in total · tick what you've watched

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Videos to
Watched Leave out of the total
1 Packet Traveling - How Packets Move Through a Network 14:39 2016-03-27
2 Address Resolution Protocol (ARP) in less than 5 minutes 4:06 2017-09-08
3 What is Subnetting? - Subnetting Mastery - Part 1 of 7 8:37 2018-05-22
4 Drawing the Cheat Sheet - Subnetting Mastery - Part 2 of 7 1:59 2018-05-25
5 How to solve ANY Subnetting Problems in 60 seconds or less - Subnetting Mastery - Part 3 of 7 6:10 2018-05-25
6 Practice Examples - Subnetting Mastery - Part 4 of 7 9:55 2018-05-25
7 Time-Saving Tricks for Subnetting - Subnetting Mastery - Part 5 of 7 8:32 2018-05-25
8 Subnetting in the /17 - /24 range - Subnetting Mastery - Part 6 of 7 6:32 2018-07-30
9 Subnetting in the /1 - /16 range - Subnetting Mastery - Part 7 of 7 5:19 2018-08-02
10 Fixed-Length Subnet Mask (FLSM) - Subnetting Mastery - FLSM and VLSM Appendix Part 1 of 2 13:29 2019-07-29
11 Variable-Length Subnet Mask (VLSM) - Subnetting Mastery - FLSM and VLSM Appendix Part 2 of 2 11:49 2019-08-29
12 Native VLAN - the DEFINITIVE illustration 5:39 2018-09-07
13 What are VLANs? -- the simplest explanation 11:29 2019-11-10
14 Route Precedence -- How does a Router choose a path when multiple paths exist? 15:01 2020-03-31
15 Route Precedence -- Answer to Bonus Questions 3:08 2020-04-09
16 Local Broadcast and Directed Broadcasts - Description and Demonstration 7:42 2020-09-02
17 Local Broadcast and Directed Broadcasts - Demo and Packet Captures 19:00 2020-09-02
18 🎬 Packet Tracer challenge: Find the Imposter - Layer 2 11:05 2021-08-10
19 🎬 Packet Tracer challenge: Find the Imposter - Layer 2 - SOLUTION VIDEO 7:34 2021-08-16
20 Hashing, Hashing Algorithms, and Collisions - Cryptography - Practical TLS 11:42 2021-09-27
21 Data Integrity - How Hashing is used to ensure data isn't modified - HMAC - Cryptography 7:24 2021-10-04
22 Facebook went down!! Let's use that to talk about BGP, DNS, and Anycast 50:20 2021-10-08
23 Encryption - Symmetric Encryption vs Asymmetric Encryption - Cryptography - Practical TLS 13:58 2021-10-11
24 Public and Private Keys - Signatures & Key Exchanges - Cryptography - Practical TLS 12:33 2021-10-18
25 How SSL & TLS use Cryptographic tools to secure your data - Practical TLS 7:58 2021-10-25
26 Public Key Infrastructure - What is a PKI? - Cryptography - Practical TLS 5:49 2021-11-02
27 RSA Algorithm - How does it work? - I'll PROVE it with an Example! -- Cryptography - Practical TLS 15:48 2021-11-08
28 Diffie-Hellman Key Exchange - the MAGIC that makes it possible - Cryptography - Practical TLS 6:56 2021-11-15
29 TLS / SSL - The complete sequence - Practical TLS 6:15 2021-11-29
30 How does NAT conserve IP Address Space? (and why!) - Network Address Translation 7:41 2021-12-06
31 Static NAT - Network Address Translation 7:24 2021-12-13
32 Dynamic PAT - Network Address Translation 15:25 2021-12-21
33 Dynamic NAT - Network Address Translation 11:51 2021-12-30
34 Policy NAT - Network Address Translation 6:29 2022-01-03
35 Twice NAT - Network Address Translation 5:27 2022-01-10
36 OpenSSL - Encrypting and Decrypting Private Key Files 6:15 2022-02-09
37 SSL Ciphers - a comparison of the protocols that secure your TLS data 1:52:31 2024-04-17
38 TLS 1.3 Handshake -- explaining every message 1:22:25 2024-05-30
39 Hashing and Hashing Algorithms - md5 sha1 sha256 sha2 sha3 - Cryptography Essentials 6:03 2024-07-15
40 Understanding Secret Keys: A Simple Explanation 5:10 2024-07-22
41 Symmetric Cryptography is a category 1:30 2024-07-29
42 Symmetric Encryption - AES ChaCha20 3DES RC4 DES - Cryptography Essentials 4:04 2024-08-05
43 MAC / HMAC - Message Authentication Code / Hash Bashed Message Authentication Codes 6:52 2024-08-12
44 Cryptography Essentials - Series Intro 1:35 2024-07-08
45 PRFs explained: Transforming Secrets into Infinite Keys - Pseudo Random Functions 8:50 2024-08-19
46 A better definition of Asymmetric Cryptography 5:07 2024-08-26
47 RSA & Asymmetric Encryption - Cryptography Essentials 5:28 2024-09-02
48 Signatures - What and why are they? 5:15 2024-09-09
49 RSA Signatures 3:41 2024-09-16
50 DSA Signatures 2:12 2024-09-23
51 You can't do security without THIS 4:10 2024-09-30
52 RSA Key Exchange and Forward Secrecy - Cryptography Essentials 4:18 2024-10-07
53 Diffie-Hellman Key Exchange and Forward Secrecy 13:00 2024-10-14
54 Elliptic Curve Cryptography in less than 5 minutes 4:44 2024-10-21
55 Updates from Practical Networking 1:50 2024-11-26
56 Ask Me Anything - 280k Subs - reading RFCs, retaining information, book recommendations, infosec ... 8:39 2025-02-24
57 1️⃣ CIDR, Subnet Mask, and Binary Subnet Mask Are the Exact Same Thing 3:24 2026-08-03
58 2️⃣ Network Bits vs Host Bits -- determined by the Subnet Mask 2:06 2026-08-10
59 3️⃣ Why IP Addresses Are Split Into Network Bits and Host Bits 1:54 2026-08-17
60 4️⃣ What is a Network ID? Identifying groups of IP Addresses 1:29 2026-08-24
61 5️⃣ Network ID and Broadcast IP -- simply explained 3:59 2026-08-31
62 6️⃣ Network ID means NOTHING without a Mask 3:42 2026-09-07
63 7️⃣ Every IP Between Network ID and Broadcast Is Usable 3:32 2026-09-14
64 8️⃣ /0 and /32 and why Subnets only Double and Halve in size 6:11 2026-09-21
65 9️⃣ Every Network Starts Where the Last One Ended 6:02 2026-09-28
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