VPNs Explained | Site-to-Site + Remote Access
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VPN Stands for Virtual Private network. Its job is to ensure the safe delivery of data across public networks. By doing this, it allows users to send data as if they were connected directly to the private network.
Private WAN technology is available however they come at a price. Internet VPNs however only require a very affordable internet connection.
A VPN is often described as a tunnel. Your data is encrypted before it passes through the public internet. This way, if one of the bad guys does get their hands on your data, they can't make any sense of it. Once your data is received, it is then decrypted using a special key so it can be read.
There are two main types of VPN.
A site-to-site VPN connects two or more sites together. It needs to be configured on both networks, so it's ideal in situations when you have multiple remote sites.
But you may also have individual users that work from home, coffee shops or anywhere else in the world. These users still require access to the corporate network, but a site-to-site VPN won't work because you have no control over the networks they are connecting from.
Instead, they can use a remote access VPN. A remote-access VPN grants access to the corporate network but only for one device, for example, a users laptop in a coffee shop. This is unlike the site-to-site VPNs which connects two entire networks.
When configuring remote access VPNs, you need to decide if you want to use a 'full tunnel' or a 'split tunnel'. A full tunnel means that once connected to the VPN, all network traffic from this host will be forwarded to the corporate network. A split tunnel means only traffic destined for the corporate office is sent over the VPN. All other traffic is routed as normal.
IPSec is a framework or set of rules for creating VPNs over a network.
It does not define one way to create a VPN, but rather allows several protocols to be used for each VPN feature. IPSec is often used for site-to-site VPNs but it can also be used for remote access.
#ccna #cisco #networking
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I literally cannot even count how many times I have found myself hitting a wall when working on a project at work and was able to move past it and solve my problem solely due to watching videos from TH-cam. And, almost all of them were uploaded by one of four channels that I tend to find most resourceful. Congrats on the progress in your career path man. That’s the only way to move up - turn something that you didnt know into something that you do. I remind myself daily that if i want to be more successful I have to be more determined and valuable than I am in the present.
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Hello do you believe in Jesus?
Best example with wonderful animation. Thank youuu !!!!!!!!
The videos from cetbros are really tremendous. The most of the topics the way you explained was awesome. The people will love and start learning who doesn't have idea or interest in Networking !!! . We are really awaiting for more tech videos !!! Appreciate your great works
Chat d 0
Hello does anyone here believe in Jesus?
I take a course in IT infrastructure and your videos have been very helpful! Thank you very much and keep up the good work!!!
Hello do you believe in Jesus?
Thanks for the video. Although m already CCNA certified but never get to use the knowledge in my line of work. These videos help a great deal as refreshers
Happy to help! Its always a great idea to review every now and then to keep things fresh 👍
I can't watch enough of these videos they are really intriguing and teaching me too how computers really work
Your each and every video is very clear, understandable and well explained.
Thank you.
Thank you! Great to hear you like the videos! 👍
for a guy like me who only knows how to swim in development frameworks and qa automation, this one simply tells what is network communication all about.. super awesome
Thank you always for your great videos. I bought your course in teachable and I even prepared my interview with your videos!
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Thanks Luis! Great to hear your enjoying the videos and the course. How did the interview go?
Very nice explanation, excellent to present to Customers and lay people who are not a professional to manage IT.
Well explained! great audio and presentation of the topic as well.
Thank you for making this video! Your explanation of VPNs is very clear and informative.
Thanks James! Glad you liked it.
Both simple and comprehensive for the non IT user. Thank you !
Yeeees!!!! Finally great video about VPN´s. Thank you!! You are doing great job in this educative content!!
come on man I love the tune sooooo much , it gives me a great energy 😋
Haha! Glad to hear it! 🔥💪
Love your content, easy to understand and like watching a cartoon, keep up the grate work.
Thank you Oliver!
very helpful... Thank you CertBros!
This was very informing!Thank you.
I really love this channel... You are a Hero!!
Thank you for the simplicity
Thank you,thank you,thank you.This is very well presented.
thank you always nice watching and listening to your clear explanation.
You are awesome. Iam expecting more about ipsec phase 1 and phase 2 explanation and also components of it
Very informative on Corporate usage of VPN's but can we get a video with a bit more information on the personal VPN's such as NORDVPN for example, and how it is able to do what it does, mainly the putting you in other countries to access stuff like Netflix to get different shows only available in different regions.
These generally used services are not parts of network certificates i think :D But the method is slightly the same. The service provider gives you access to its private networks, so you can use their server park's IP addresses and geoLocations to surf the internet. So when you logged in to their network, you can hide your indentity and original location. It seems like you are there, where the server is settled.
When its useful? Some countires ristrict access for several siter or contents, if you use VPN, you can bypass restricts.
An other useful thing is the serurity. Your data is traveling encrypted between your device and the server, so you can use unsafe public open access wifi networks SAFELY.
SO WELL EXPLAINED!!!!!!!
KEEP GOING
Thank you! Glad you liked it! 👍
The video is great and also the whole presentation is so informative.
Glad you liked it! Thanks for watching 👍
very nice and helpful video. thanks to the video maker and keep it up
Your explanations are so on points
Thanks for the video. You help me with my exam. Greetings from Germany
You're welcome. How did the exam go?
Great video! Very easy to understand…
New here..... Awesome video. Very well explained!!! Thank you!!
I have subscribed and thank you so much for your efforts🙏
Thank you and welcome to the channel! 🙌
I smash like button before watching! :)
Thank you Omar!!!!
This seems the same as general encryption (TLS, SSH, etc). I would have liked to see a quick explanation of how it's different than that. For example, if I think about my remote work, I use websites (HTTPS), email (STARTTLS), and git (SSH). So if all of these are already encrypted, why do we bother with a corporate VPN?
thanks for ur sweet sweet explanation, help me out a lot :)
Happy to help!
Amazing Video :)
VPN's are great, I have been using on for a long time and wish I knew this before getting a VPN
Brilliantly concise.
Very great explanation, thank you
Thank you! Glad you like you it 👍
So a Site-to-Site VPN sends the data straight from the sending host to the receiving client? It does not jump from router to router like a standard internet connection? Or am I misunderstood?
Amazing Video, thank you so much !! but if MPLS is used instead of public internet do we still need IPsec?
Amazing videos . Thank you for sharing
Thanks for the lecture
on a site to site or remote access models, the data from point A go to a vpn provider and then to point B or the data go only from point A to point B ?
I have a cisco 260w router, i have a vpn setup for remote users access. I have them set on a different ip pool of a 10.0.1xx and the internal ip pool runs on a 192.168.1.xx network. do yo have recommendations for improving performance for access with our ERP system Dynamics SL 2015. Should i create a firewall rule?
Awesome explanation and content
Thank you Yonas!
Very well explained thanks buddy... supporting from India🤩😇
Thank you! 😀 I hope you're staying safe.
Awesome video!!!
very lucid.. Excellent!!
These are good info's. For this you earn 2 subs haha. I'm looking forward to watching more videos on your channel.
Sir, ASA 5525-X after upgrade to 9.14.3 L2L VPN cmap in "set pfs group14" group 14 is missing and VPN down.
Please help me
Very informative. I like it.
Thanks Don!
THIS IS VERY USEFUL THANKS
Does the sslvpn uses IPSec after the tls negotiations ?
If you use HTTPS and SSL, the remote access vps can decrypt your ssl connection right? Effectively it creates another ssl connection or man in the middle attack? is this true or not? I'd like to understand what a VPS can see even if your using SSL or SSH. I'm trying to understand what a VPS could see if I did an upload to github while connected on a vps. I think SSH is safer as the packets are encrypted from my pc and the VPS would need to know the private key or public key to decrypt/encrypt in between. I'm trying to understand if the VPS just passed data on or it will actually create a new TCP connection.
Hi,
This video was of great help. Can you also make an informative video on how to connect to ec2 instance using VPN from local machine.
Thanks Varnita! Glad you liked it! If I get more request for AWS stuff I'll happy make some videos.
Hi varnita...may iknow the differences between vnc server,putty,vpn ? ...it seems these all are doing same stuff like connecting to remote server and access applications...much confused im
Hi mate are these 30 videos enough to clear CCNA exam ?
Great vedio😀....Many Thanks.
The best video at all
Mant thanks
Hands down on the most clear-cut, concise, audible tutorials I have ever had the pleasure of listening to.
Great video great content👍👍👍
Thank you! Really appreciate it!
Can i run both... site to site and remote access vpn on same router? Thanks
How exactly is a site defined in this context?
Once you're connected to the VPN where do you find the resources of your organization?
That's entirely dependant on your organizations setup. I can answer that for you I'm afraid.
purchased soft soft was because there are so many resources and remake templates out there to help understand how people have
very nice explanation
I appreciate your Videos
That's really nice explanation on VPN
Thanks Nilesh! Glad you liked it
@@Certbros keep up the good work I watch your vides
Which vpn is good for rotating ip for android? Can you suggest with your experience.
Important information 🔥
Are VPN’s company liable to protect your network traffic? Is there a standard or policy or code of conduct they follow to not reveal their clients traffic?
very helpful, we need technical explanation please !
how about host to host vpn i did not find any video on that
Great video.
you got one subscriber here =)
Great to have you! 😁
Awesome!!!
Thanks Jose! 👌
THANK YOU
Testing 1, 2.
Great video 👍
Thank you Anil!
How about that VPN provider?
Is there possibility for them to hack your information?
Nice tutorial, I have a problem wNice tutorialle using soft soft .
Open-and-shut THX!!
does anyone know if ipsec protects/encrypts data that you are sending out to someone thats not on the network ? like my devices internet traffic or does it only protect/encrypt data that you are sending to a another device on your network?
Not quite. Internet traffic is usually protected with HTTPS which uses TLS for encryption. IPSec will be for your VPN connections.
@@Certbros aah I see..cheers bro
What are the best free vpn with remote access
I have to access siemens PLC remotely Please up date me
I HAVE A QUESTION: I currently have a work laptop and I would like to work remotely without my company knowing about it. I have been told that I need a VPN server ( raspberry pi) and a client VPN (travel router). I am not allowed to install anything on my work laptop so this is the only way. Does this video solve this solution or would you recommend something else? I just want to be able to work on my work laptop and be in another country without my company finding out about it. Please let me know how I can go about doing this. Thanks!
Sounds like you need some sort of VPN router to connect your laptop to. Not that I condone your activities 😂
tHANKS . KEEP GOINg
Thank you!
When a site-to-site VPN is used, IPSec is responsible for the transport of user data
VPNs should also prevent screen recording, screen shots, camera control, and blocking the microphone. I've yet to see any VPNs doing this.
Perfect thanks now how you create one
05:36 These Covid references will hopefully be very funny in the future.
The problem with paid vpns like nord is that you're simply shifting the trust from your isp to thr vpn provider
Just preparing for a network engineer interview your videos are just awesome on point and i wanted to know is your CCNA course ready? Thanks you @ CertBros for this amazing content.
Good luck with your Interview! You're going to smash it! 💪 Let me know how it goes.
The course will be ready later this year but if you're interested you can purchase the prelaunch. Just register your interest using the link in the description.
@@Certbros q
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@@Certbros q
Need a video about how to configure it !
Thank you for your suggestion 🙏 I'll add it to my list.
Sweet sweet data 😀😀😀
Thank you...
Awesome 😎👍
Thanks for the video. Would love to know about VPNs in detail.
Thanks Ali! This is mainly an overview for the CCNA. I think I'll do an in-depth IPsec video in the future.
@@Certbros when will thatvbe?
Can you also elaborate on the vpn companies and scare tactics?
I love soft soft so so so so much!
Okay Done ✅
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