Hyper Text Transfer Protocol Crash Course - HTTP 1.0, 1.1, HTTP/2, HTTP/3

HTTP is a protocol for transferring web pages, text, media, binary files and much more. It stands for hyper text transfer protocol and It is what the Internet pretty much runs on. In this video we will learn how HTTP works, how it is secured with HTTPS, will also show how to spin up an Http web server, and we will also go through the evolution of HTTP starting from HTTP 1.0 to HTTP 1.1 to HTTP/2 and eventually HTTP/3 which is still experimental.
Client / server
Client makes HTTP requests to a server that supports HTTP, the server (web server, http server like apache tomcat, nodejs etc..) responds back with the content. This could be an HTML page, images, JSON and much more.
Slides
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Jump Codes (Table of Content)
0:00 Intro
4:00 Client/Server Architecture
6:30 HTTP Request
9:30 HTTP Response
12:00 Demo Request/Response, Build Web Server
20:20 How HTTP Works?
26:20 HTTPS
27:35 HTTP 1.0
31:15 HTTP 1.1
36:55 HTTP/2
41:20 HTTP/3
HTTP anatomy
Request (browser, web app)
- URL
- Method type
- Headers
- Body
Response (web server)
- Status code
- Headers
- Body
HTTP 1.0 over tcp
- Application Layer 7
- new connection with each request.
HTTP 1.1 over tcp
- Persisted connection
HTTP/2 over tcp
- Compression
- Multiplexing
- Server Push
- SPDY
- Mostly secure by default
- Negotiates protocol during TLS (NPN/ALPN)
HTTP/2 over QUIC ( HTTP/3)
- Replaces TCP with QUIC (udp with congestion control)
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Hussein

[@hnasr]

Table of Content for this course with Jump codes: 4:00 Client/Server Architecture 6:30 HTTP Request 9:30 HTTP Response 12:00 Demo Request/Response, Build Web Server 20:20 How HTTP Works? 26:20 HTTPS 27:35 HTTP 1.0 31:15 HTTP 1.1 36:55 HTTP/2 41:20 HTTP/3 Cards/Links 2:45 TCP vs UDP kzbin.info/www/bejne/p6K1ip6ZqcZpf6c 6:15 Python on the backend Udemy www.husseinnasser.com/courses 7:20 Query Parameters vs resource parameters kzbin.info/www/bejne/qGqsi6Grj9injq8 8:30 GET vs POST kzbin.info/www/bejne/gWmre2l6g5dmsKs 14:00 E-tags kzbin.info/www/bejne/ipi9n6Omatx9jbc 14:40 Cookies kzbin.info/www/bejne/qaDZcnyOacmihac 18:25 Spinup nodejs kzbin.info/www/bejne/pHm4Y4F5aduLetU 19:20 Fetch API kzbin.info/www/bejne/jJuaiGumfpJ_bNk 22:00 OSI Model kzbin.info/www/bejne/bXq2aJqfnNqhr6s 26:40 TLS kzbin.info/www/bejne/d52oZotng9F7nck

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[@aristocratcell868]

Please don't make short videos. I like your way of teaching. And these long Videos, really helped me. Thanks.

[@hnasr]

Thanks ! I do prefer the longer format too where I can discuss the topic in depth

[@margaritashamrakov]

I really dislike people making 2 min videos. I think our attention span is undervalued. We like to study.

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Make long in video , which have depth explanation

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This youtube channel is gold, all your playlists must be made mandatory for every sw engineer. I can't believe you are doing this for free

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Really not that big of a deal

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@@rl1491 it is a big deal, this channel is awesome!

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So true, this content is gold. Really thankful to him for providing it for free.

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Your 45 minute long video is totally cool. Its a whole load of information. Any serious learner would not mind it. So, feel free. We got the attention span. Dont worry. :)

[@hnasr]

Thanks 🙏 i am glad the long videos are informative

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Informative? They are gold man! Really awesome stuff!

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I'm about to start a co-p term in Web dev, and your videos are both reminding me and teaching me new things relevant, all while being extremely fun. You are amazing Hussein, thank you!

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We love your long videos, please keep it up. I've learnt so much in the past few weeks. Thanks for sharing. Means a lot.

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i love rewatching vids after a few months just to see how much my understanding has improved

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Best software channel in youtube in my opinion. Most channels make short videos to hook up beginners, but these topics require a complex and detailed explanation, this is hard stuff. Please keep the videos comming, no matter how long they are. The quality and amount of relevant information is just unbelievable, better than most colleges.

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Your energy is amazing. Thanks for this video!

[@hnasr]

Thanks for your comment ! Really Appreciate it

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The amount of knowledge with the sense of humor with the way you teach it's just FABULOUS, Thaaaaanks a lot for your help

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I've experienced a lot of emotions while watching your videos and will experience more as I need to study the topic thoroughly, but man you're an amazing educator, thank you so much

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I recently just changed career from accounting to SWE. your channel has been an immense help for me. Thank you so much!

[@F2H16]

I absolutely love when you talk about something at length.

[@pkcc9381]

Yesterday I was reading on QUIC and HTTP/3 and I wished you made a video on them. Luckily today I am here.

[@hnasr]

PK CC enjoy the video! Wish granted .. I need to make a specific video on just QUIC.

[@kamboj65]

I love your videos!! Please keep making longer videos otherwise it would be impossible to show the content in detail.

[@bryce5391]

I’m sure you get this all the time, but thank you so much for making these videos and making them free. You’ve helped many people, including myself, find their way through software engineering

[@hnasr]

Glad to hear that Bryce, its all you. 🙏

[@erensrtky]

Thank you man, you are make the best network tutorials on youtube.

[@juanferrua5743]

Thanks for going in depth and not skimping on key details -- totally worth the longer length

[@hnasr]

Thanks Juan!

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Great video. What an awful mindset I had before I encountered your channel. There is so much to learn

[@Raptor-jv7fi]

I appreciate all your videos, you make technical matter super interesting. I've learnt a lot from you Hussein, keep up the great work!

[@rishabhkalra9505]

2021 and this video still fills the gaps about different protocols.

[@codingfeature3684]

Thank you for this video ❤️ I was having issues with my web browser being slow and this doesn't solve my problem, nor do I understand any of it, but it seems very complex and it's impressive you know all of this and are willing to give away the knowledge.

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Your content is so awesome, Hussein!

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your video even its long, its entertaining and presents so good info and your voice kept me awake lol thank you so much.

[@Shyam_raj10]

I think all the other channels.. Related to backend.. Just talk about the code in a shell and.. Didnt go deep to how the things works.. Behind the scenes, this channel is a gem, thank u hussein.. For valuable content as always❤

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Amazing video matched with AMAZING energy! Liked AND Subscribed!!!

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You are really awesome!!! I learn so much stuff from your videos! Because of your very best effort like this, there will be a lot of better engineer and we will make the world better together!

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Truly aaaaaaaaaaamazing videoss. This is not long. It is precisely perfect to understand.

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For some reason i really like listening u explain technology...reminds me of science tv shows i watched as a kid 😁

[@elijahlair]

Very informative. Thank you. Love the long videos

[@simple8810]

Beleive me I searched whole youtube for getting HTTP finally luck did work and found such amazing video That helped me a lot thanks Hussain sir,love from pakistan

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Concepts are elaborated in just plain English 😀 ..A big thumbs up 😀

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It's good you are making large video...first time I get addicted in watching your video

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Love your videos... The highlight of your videos is that you interconnect stuff and make the entire area make sense( rather than only focusing on teaching a very specific topic and leaving the user with a bunch of questions on how the topic fits into the bigger picture or with other connected topics) ..... Another great thing is the real life inferences that you draw.. For me this is the right way of learning software engineering..... Amazing stuff. .. Please don't change the format.

[@hnasr]

Thank you so much for your comment and feedback ❤️

[@mahmod20001]

Thanks a lot Hussein! I really appreciate about these kinds of informations.

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Cool way of explanation! Thank youuu!

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Thanks for creating such content. It was a nice revision for me.

[@hnasr]

🙏

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Please keep it long than please the Yutube Algo, I discovered u just today but I've been watching them and they are priceless

[@hnasr]

I really like making my videos long because I go explore many details. I know most people prefer short videos but I just can’t force myself to. Thanks 🙏

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Good job, you explain as a pro and i love your channel. Thank you!

[@hnasr]

ivan89pln ❤️😊thanks!!

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Very well articulated. Thank you so much

[@keshaviyer7625]

Yes please create a series on HTTP status codes! I am often confused about the right status code to use when writing server-side code

[@gauravramrakhyani7593]

Very helpful video. Amazing explanation.

[@satyam-bhalla17]

I really like the way you teach things. Whereas I feel their are a lot of areas in this video which you touched but didn't explain well. Maybe a part 2 can help me understand it better. But thanks for spreading good knowledge.

[@BoydWaters]

Very useful review and overview, thanks. (never apologize to the audience. :-) )

[@hnasr]

Thanks Boys! Appreciate it 😊

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I love this... Didn't even realise when the 45 minutes passed

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You're such a good teacher. Thank you

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Great job. Awesome video. Thank you a lot.

[@T12321]

Thanks Hussein Nasser, helpful content!

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Your videos are great. Thanks for your efforts.

[@hnasr]

Appreciate it Mohd! H2 is awesome tech

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Really cool as always! Thanks

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It's really appreciable stuff thumbs up for you

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Thanks for your videos Keep on doing videos like this

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Thank you for a fun and educational video.

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Hussein, 5 seconds into any tutorial: "Hey guys, let me reference a video" 😂 Jokes aside, I love your content, you're hands down the best web dev teacher on YT.

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Dayum, This is pure Gold!

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Bro you are amazing.. i would have skipped college if i had access to youtube previously

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Thank you so much for these videos. They are helping me enjance my software engineering knowledge

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priceless. thank you so much Hussein.

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I can't believe that this channel has only 50k subscribers :(

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Great information, love the presentation

[@hnasr]

Thanks Sunil 😍

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You always delivers best 😍😍

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Really like the video, ARIGATO for your effort.

[@betolix]

Just awesome Hussein!

[@hnasr]

🙏🙏❤️

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You are such a great guy! Love your videos and your content, and most importantly I wanted to know "Mahn, How do you get me watching the entire video without losing my interest or attention?"

[@hnasr]

❤️❤️ glad you enjoyed it!

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Very great video, thank you for sharing this information

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Really appreciate it!!

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Thank you so much, It's Netflix for Backend Developers. :P

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Awesome presentation and explanation . I am from Bangladesh

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I used to use incognito for something else...

[@saimanojch]

me tooo :)

[@abdelraoofrabie3024]

Masha Allah, I enjoyed getting this learnt

[@HarshavardhanJadhav]

Thanks for the video sir !!😀

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Great content, thank you !!!

[@shashikantpawar7069]

Thank you for this ..please make big videos nly they are best

[@SupGhostly]

please never stop making videos

[@hnasr]

🙏🙏

[@keshaviyer7625]

These videos are awesome!!! Could you please do a nice long video explaining how QUIC works as well?

[@hnasr]

Yes in the plan 😍

[@hemantsinghjadon849]

I watched the OSI model & TCP/UDP videos by Hussain before this one in a succession. I definitely feel I understand these concepts a bit better. I do feel these concepts demand a clear understanding specially from backend devs.

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Amazing content :)

[@joshuaifara2736]

Great video, very informative. Can you please do a video on the available options for encryption over UDP, something like what TLS does for TCP. Or if you have already made a video please point me to it. Thanks

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This guy is the best! Wow I love him

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great video!

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Very good content .

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its okay even if your videos are 24 hrs long. These are just great.

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best channel 👏👏👏👏

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extremely helpful

[@hichamlotfi4277]

great content thanks

[@theguardian8317]

When someone making a video about HTTP doesn't know the difference between the WWW and the Internet and then proceeds to ask you to "ring that bell". Social Media / KZbin learning in a nutshell

[@kirillzlobin7135]

9:37 That would be awesome if you create a playlist on status codes (if it does not already exist, I just subscribed yesterday) Very useful tutorials

[@mohamedaly4128]

Believe me, you should teach at a university. Thanks a billion

[@KTechy-]

Love this video

[@ankitmaheshwari2408]

Really love your content and the energy with which the lectures are delivered. However, you do really seem fascinated with sending data over light :p However, your content is at a very high level. So for software engineers with not too many years of experience, is it enough, or do we need to go into depth about the working of these protocols?

[@christianabrokwa6780]

I believe he is giving us an in depth high level understanding, so we have basic info of how it works and it's existence. We can then go on and search for low level utilizations of it to solidify knowledge.

[@arisstepe5147]

Thanks!

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Go ahead make a 15hr videos I love it

[@rohitsagar9011]

I love how you explain everything I am a self taught developer wish I could've found your channel 2 years back. I have a question is there any difference between backend software engineer and backend developer?

[@hnasr]

they are similar, devs usually write the product code and engineers design, architect and test but thats not set on stones .. for example an engineer role can do all of this Welcome 🙏 and all the best,

[@bilalmu1182]

شكرا ناصر

[@mosup5007]

4:30 Lol I always watch you from my phone 😶 Your videos are great

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This is Gold.

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ممتاز جداً يا شيخ ناصر استمر نحن متابعينك بشدة. الله يوفقك ورمضان مبارك عليكم

[@hnasr]

شكرا معاذ على التشجيع ❤️ مبارك عليك الشهر

[@margaritashamrakov]

Thank you

[@hnasr]

You're welcome

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Thanks

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It's lot better than reading boring book with outdated content