Network Ports Explained

► Networking Audio Book recommendation ►amzn.to/3rxrkfi (Amazon affiliate). Just get the book by signing up for a free 30 day trial of Amazon Audible Premium Plus.
What is a port? What are port numbers? A port is a logical connection that is used by programs
and services to exchange information. It specifically determines which program or service on a computer or server that is going to be used..whether that is pulling up a web page, using an FTP service, accessing email and so on.
Watch my Netstat video here: • NETSTAT Command Explained
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#ports #networking
Topics Include:
What is a Port?: 00:00
IP addresses vs Ports: 00:47
Common Port Example: 01:36
Netstat: 02:55
Port Numbers: 05:00
Final Example: 07:48

[@PowerCertAnimatedVideos]

► Networking Audio book recommendation amzn.to/3rxrkfi (Amazon affiliate).

[@Im-pr7wu]

@Neelakanta kalyani great.. you can do those in KZbin also right? Give a try once

[@dietrichdietrich7763]

why is the boat stuck? cos it can't PORT FORWARD

[@ganeshvishal7879]

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[@pging8328]

Thx for your videos. do you have any non-audio book recommendations?

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I like this video and comment ❤❤❤❤❤

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You have a gift for conveying information so clear and understandable than any professional or paid class. I'm pretty sure you've kickstarted a lot of careers with your content. Thanks!

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Wow...thanks Pascal!

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That was so Kind and nice!!!

[@truthseeker1934]

God Blaise Pascal.. I mean God bless Pascal

[@LecheSeason1]

That was very kind of you bro!!

[@iNeuker]

He sure has.

[@_..---]

I think it's a great idea how this video started, by separating ports from physical connections and then defining them the right way a lot of confusion can be avoided especially for beginners.

[@leopold3146]

It would be better to start with explaining the networking layers. From this video, it is not clear how network devices decide which of the network protocol to use. In turn, ports are just a feature of the protocols based on IP whilst IP is far not the only protocol existing.

[@toby9999]

@@leopold3146 That would be for a more advanced video. Even this one was confusing enough.

[@ninsuhnrey]

@@leopold3146 Thank God, this channel is the literal antithesis of whatever it is you just wrote. I'm a novice, currently just enjoying learning the foundational stuff, and was deciding whether to group and watch this video under hardware. That opening - and the video - was solid gold. If everything were to be explained as clearly as this channel can, I swear there would be world peace.

[@sonnyinaz]

See my post above you.

[@mxolisindlovu9194]

very true i used to think ports are actual stuff i can touch on a PC but this videos makes it super easy

[@LibraryOfParadise]

I must say thank you. Your channel did more than help me past some tests. Your videos helped me land a job in the field. I was in professor messers chat room the other day and multiple people told me no need to understand the TCP/IP model because it's not on the Comptia Objectives. Yet it was one of the first few questions in the job interview. Need to be extra careful who we get information from. They also asked about VLANs and Subnetting which I both learned from your channel as well as converting decimal and IP addresses into binary.

[@GoPlayMLP]

As someone who works in "semi-IT" and hasn't been trained on this, your videos are a godsend. Thank you so much for every single video!

[@LaMelinette]

I've been studying for a career change in IT and have just found your videos! THEY ARE SO MUCH CLEARER than my actual course and I've had a couple of lightbulb moments where things have just clicked. So thank you very much

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I have been studying for my Network+ exam for about four months and your videos have been indispensable in helping to understand basic concepts or confirming what I thought I understood. Thank you and please keep putting this content out there!

[@v-force1379]

Did you pass? Because I too am studying for Network+

[@richardhyman6981]

@@v-force1379 I did pass. The hardest part for me was the practical questions but if you take your time and try to break the practical into pieces it is not so intimidating and you can figure them out. Good luck! You’ll do great I’m sure!

[@legodude05]

Your videos are amazing. I think the animations are super helpful because a lot of the time when this stuff was introduced to me it was through a bunch of definitions, and I would often times try to just memorize them. However, with the images you can just remember the picture and then when asked to explain the concept itself, you can explain what you are seeing or saw rather than a explaining a bunch of technical jargon.

[@pApAkAnCHa214]

This was by far the best content I found on KZbin on Ports, thank you for posting sir, the way you breakdown complex topics is phenomenal. You are helping thousands of people from your content, thanks for putting visuals, they are indeed very helpful to understand. God bless you. Love and respect from India.

[@Mattador666]

I've watched only a couple of your videos so far but these videos are tremendous! The visual graphics make things easier to understand and you explains things very clearly. Keep up the good work!

[@deadseamonster]

Probably the most effective, yet, streamlined explanation of port numbers that I've seen. Sooo many people have trouble grasping port numbers. I'll be sharing this video . Thanks!

[@toby9999]

Yeah, I'm having trouble grasping anything to do with networks. The whole thing is horrendously complex and unintuitive.

[@isuckatthisgame]

​@@toby9999 Same. And I'm student of ICT LOL :D

[@mellord83]

​@@toby9999 I think once you understand subnetting and the basics of networks, it will become much clearer. I was the same as you

[@VijuKurian]

This video grew progressively simpler and easier to understand. Thank you for explaining in layman terms.

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Powercert, you’ve helped me understand so much about networking. I’ve upgraded my whole house thanks to you

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You’re doing gods work with these videos. I’ve learned more from you than any class I’ve enrolled in for months.

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this channel is a bless.. its literally a 2k cisco class but better explained

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You have expalined my 4 years CS Degree in few hours in easy way. Thanks for these awesome contents.

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The pictorial description on your videos are exemplary. Its comparatively very convenient for me to understand despite me being from non tech background. Thank you and keep shinning.

[@thomasaylmer5757]

I use your PowerCert videos to refresh what I have learned. The explanations are so clear and helpful.

[@CutcliffePaul]

This video explains network ports pretty well. But I always like the analogy of IP address being like phone numbers and port numbers being like extension numbers: you call the phone number (IP address) to connect to the switchboard then provide the extension number (port number) to reach the person you want to call.

[@venkatceh1072]

Your Explanation was also very clear, thanks for conveying information in a different way.

[@juancar331]

Thank you for all your work. You are hands down THE BEST resource on KZbin that I have found. I love how you explain everything to a detail but you also make everything so interesting. I always catch myself in an “aha” moment. Thank you good sir!!

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Left Medical Came to my passion One of the motivations was your videos Because you just make it so easy. MashAllah May Allah bless you Ameen

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I must say, there are great video presentations, some which are whiz-bang; however, this one is to-the-point and stated clearly with minimal jargon - and most jargon is defined/explained within the presentation. I laud PowerCert! It is better at explaining concept for my upcoming Security+ exam than the boot camp for which I paid. Thx!

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This is by far one of the best videos i have seen on ports and other networking concepts. you are a great teacher sir, thanks a lot for making this video, I learnt a lot with this video, really appreciate your hard work.

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This is how a beginner can develop interest towards any subject irrespective of it's complexity. Thanks a lot for the beautiful presentation.

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Teaching this way in detail and also preparing these animations must be intense work. Thank you so much sir, you are certainly a genuine legend.

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Thanks. Yeah, it's a lot of work.

[@JonathonHackett-vj4de]

Thank you for using command line environment examples. It is a great way to interact with these lessons and providing tools for work.

[@guillaumemasure2657]

Dear expert, your videos are perfect; clear, simple and efficient. Thanks a lot for sharing your knowledge !

[@aiasaiascon3894]

Now that was thee 1st video EVER I saw that made me understand the concept of a "port" - THANK YOU!!!

[@tricky_d1672]

i cant add any new descriptions of how great this vid was. to start out by say this is not an actual "physical" port was a great way to start my mind's eye.

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You're back! Just the video I needed too! Thank you for being so dedicated to helping us all learn and get prepared for the IT world.

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I just love your content! You are a great master, I am completely new to this field and I am currently enrolled for a certificate in cyber security. I know is a long journey for me, however I just want to say BIG BIG THANK YOU! I can understand so easily what you are explaining. Thank you!! Please keep on making content :)

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If you are unable to understand any topics related to networking from any other sources, just don't worry. This channel is for you. The explanation on these videos will help to memorise the topics in a way that it will last longer than any other sources. The videos on this channel even helped me through 2 of my interviews during my first 2 jobs in the networking and system admin field. I couldn't thank you more.

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this is the first time that i have watched a video on your channel. Thank you very much for giving a clean and understandable explanation of the topics.

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I dont like subbing nowadays but I'm hitting that button on all these channels. They are saving my tail in my degree. It's like you'll get the jist but not the whole picture from school. You need someone who can just convey it both simply and technically at the same time . Awesome job man

[@mariannna3]

I love the format of your videos. It looks like alot of time and effort went into making these.. thank you from someone who learns much better with these kinds of formats. Also can you please make videos on Comptia sec+ topics?

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In future, there will be no colleges or universities. Everyone graduates out of KZbin University. Content is more valuable here !!

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Oh no question. The internet has truly democratized education. Colleges are on their way out. And in many ways, it’s probably for the best.

[@vomitkermit3446]

Unlikely, learning this is the equivalent of learning the alphabet. TCP gets very complex very fast, requiring some sort of schooling to set up and manage networks. And this video is for ipv4 which is a standard that is currently being phased out.

[@rakesha8133]

Very simple and easy to grasp such a complicated topic !! 10/10 👍

[@howard6798]

Thank you for this video as I now have a rudimentary understanding of a port. I have a lot to learn--I'll be back to watch more of your videos!

[@qandos-nour]

Thank you teacher I have studied ports last semester, and I have told that it is a number used to identify each web tab request on a browser and I was wondering how each tab can has a unique port number but now you made every thing clear, thank you very much

[@rentallogs]

one of the best explanations. Gifted instructor and communicator

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These are the BEST tutorials that I've seen. 100% amazing.

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Your teachings are truly amazing way better than what we paid for at Community colleges. Thank you for sharing these videos and I look forward to any more videos that you have to share to help me make it through this networking program. Truly wish that you could replace one of our professors since you like to teach environment. That is way more understandable the most. It seems like nowadays they teach the outdated with the updated, even though the outdated is no longer being used.

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i cant thank u enough for the amount of understanding i receive from your videos. Truly amazing

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wow what a simplistic way of communicating knowledge. i got clarity for everything I have been struggling with in this video. I could connect with what I have learnt before in a more concise way. thank you

[@Zenandchill1111]

What a great lesson! Everything was so clear and understandable and the breakdown made the information easy to retain. Thankyou , so much !

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LOVE your videos! Are you going to make a Security + playlist??? You do an amazing job at explaining!!!

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your explanations couldn't be even more clear! thanks!

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I love this channels videos!!! It is a perfect mix between a powerpoint and animated visuals!!! I just wish they had actual power points for each video that I could print off and study!!!

[@ThisCanNotBTheFuture]

It's worth adding that the limitation of 65,535 ports has nothing to do with memory or OS constraints, but rather merely reflects the fact that the TCP protocol allows only 16 bits which can be used to encode a port number.

[@disrael2101]

I didn't get the second reserved list of ports that companies can own from 1000~ til 40000~.. what is that about and why is it needed? Also can I use port 80 for ftp on my computer in theory?

[@tacorito1809]

@@disrael2101 no, you cant use ftp in port 80 because you use it for http. why its limited to 40000 i have no idea. gotta ask ICANN i guess. edit: A registered port is a network port designated for use with a certain protocol or application. Registered ports-Ports in the range 1024 to 49151 are not assigned or controlled, but can be registered to prevent duplication.

[@iamwisdomsky]

@@tacorito1809 technically speaking, no one is stopping you from using an another type of service on a port just like how you can run a web server on a port that's not port 80. It's just about standards. The standard is to use port 80 when running a web server but you can still use an another port if you want and you will still be able to access that web server via wget/curl or your browser by specifying the port. Same is also true for ftp servers, as you will notice, most modern GUI FTP clients have port field where you can enter a specific port in case the ftp server is running on an another port (not port 21).

[@tacorito1809]

@@iamwisdomsky hmm, interesting. would there be any drawbacks from not applying the standard?

[@yichaohan6317]

@@disrael2101 registered ports are usually reserved for applications that are running on the computer. The range can be changed use a command on the computer. You can have more registered ports but less dynamic ports. However, well known ports don’t change.

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So clear and perfect presentation. You are a natural teacher sir!

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Great explanation! This really helped me set this topic right in my head as I'm studying for Network+. Keep up the good work!

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Since years, still my favourite channel. Thank you very much!

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Please dont stop uploading. Your way of explanation is so simple and animations are so easy to digest.

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Simple, effective, impactful explanation which I'll remember for a long time. Thank you so much for your efforts

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You just made this CLICK in my brain!!! Thank you so much

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One of the best explanations, great job!

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For the last 3 years I had confusion😖 about ports and their functionality, but today you just cleared💆‍♂️all my doubts, thank you❤️ so much for this wonderful explanation.

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Easy and a concise explanation. Thanks for the tutorial.

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Channel like this should get more sub and sponsorship. Thank you for knowledge.

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You guys are the best. Please post more often and explain networking with cabling installers in mind. We need to troubleshoot real time issues and don't always have IT support.

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I like this tutorial so much it clearly explains every details stepwise

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Thank you! Best explanation of ports I've found.

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this is brilliant! thank you sir, 9minutes saved me hours of reading articles

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Sir! That was easy to listen to, and fun to watch! Thank you

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I thought I knew everything about ports.. thanks for this! 👍

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this is one of the best explanation in terms of understanding a port number, Kudos keep up the good work

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Glad I could help!

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Glad it was helpful!