Key Authentication for PuTTY and WinSCP
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- Опубликовано: 19 июн 2024
- In this video, we show how to do key authentication for PuTTY and WinSCP
SSH keys are a more secure method of authentication than using a username and password and edb25519 is a more modern and less intensive algorithm then RSA
We show how to create public and private edb25519 keys using puttygen and how to authorize SSH keys to login to a Linux server running Ubuntu server 20.04 for example
We show how to configure PuTTY to use a private SSH key for authentication and how to disable password authentication on an Ubuntu server to enforce SSH key authentication
We also show how to import a private key made with OpenSSH and convert it to a PPK file using pttgen so that PuTTY can use it
This way you can use the same key on either operating system
We also show how to configure WinSCP to use a private SSH key for authentication
Useful links:
www.chiark.greenend.org.uk/~s...
winscp.net/eng/download.php
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00:00 Intro
00:27 Download and Install Putty
03:04 Create SSH Key
08:03 Upload Public Key
12:10 Putty SSH Keys
19:34 Disable Password Authentication
24:00 Import OpenSSH Key
29:03 WinSCP SSH Keys
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SSH keys are more secure than usernames and passwords. PuTTY and WinSCP are very popular Windows application to access Linux servers. So it makes sense to configure these to use keys
10:00 is EXACTLY what I was looking for... I have tried at my work place to set SSH for my users for a week almost.. I didnt knew what I was doing wrong... so remember guys, you have to log in to the server from each user you want to create SSH for, and to create the .ssh hidden folder and so on.
THANK YOU SO MUCH David!!!! MUCH APPRECIATED.... Best video definetly on this topic from so so many... that piece of information saved me days/weeks
Thanks for the feedback and glad to hear the video helped
Thank you for the detailed video on it
Thank you for the feedback. It is really appreciated. And I'm glad to hear this was a useful video for you
Great tutorial David! Liked and subscribed!
Good to know the video was useful
And thanks for the like and sub
Really helped with this, thanks a lot!
Thanks for the feedback and good to know the video was helpful
Thanks for this
Thanks for the feedback and glad to know you found the video useful
Any tips on getting the correct directory setup and authorized_keys file for a windows client to windows client WinSCP setup using the key pairs? Seem to be getting "server refused our key" all the time. Thanks!
Applications like Putty and WinSCP are configured with the key as part of the stored session so there is no directory structure as such
But as BahadirM pointed out, Pageant is a useful tool for managing SSH keys
It's supplied as part of the Putty and WinSCP packages and works with both Putty and WinSCP
I like to use Pageant from Putty for my keys, it loads the keys (encrypted or not, you can select) to the memory and if the work is done or you restart your PC, it's gone from the memory.
That looks very useful. Thanks for mentioning it
Is it possible to virtualize baremetal macos on proxmox without gpu and using only ryzen apu?
I haven't used macros so I couldn't say
hi thanks for this, on winscp i get server refused our key... what could be the issue?
There can be various reasons so here goes...
If the server refused the key chances are the public key has not been copied to it or it isn't in the right place
You have to make sure the public key is associated with the user account that's logging in
There's no point logging in as Jane for instance if the key was uploaded to John's account
Or maybe WInSCP isn't using the correct private key when it authenticates or isn't using one at all so you need to check it's configuration
And do make sure the correct key pairs are being used
good
Thanks for the feedback, always appreciated it
how can I connect two computer using Winscp in two different state? Example I'm in New York and my brother is in Nebraska and we want to shared big files , how we can do that ? Help please
To use something like WinSCP you would need a VPN service which is beyond the scope of this video
Assuming this will be over the Internet, you could also use a shared cloud service like DropBox
You can then both upload and download files using the same account
There are other providers and it really depends on how big your files are
Each provider offers different storage amounts for free but charge for amounts above that
@@TechTutorialsDavidMcKone what about something like a source and destination, I don't want to complicated to much, something like point to point or synchronization, I don't know if I said it right, I'm not a IT guy, any other advice will be appreciated
@@carloscastroquintosa3598 I haven't used WinSCP for that purpose but there are details to be found here
winscp.net/eng/docs/task_synchronize_full
As long as two computers can reach other that should work
how i fix problem with network error?
There can be many reasons for a network error so unfortunately I can't say what the problem is
@@TechTutorialsDavidMcKone okk thanks
server refused our key
?
Did you upload your public key and store it in the authorized_keys file for the user you are logging in as?
Have you configured PuTTY to login with that user account e.g. fred@192.168.1.1 ?
And have you configured PuTTY to use the correct private key?
@@TechTutorialsDavidMcKone
i aploaded it but not worked
i want to configure ubuntu 20.04 server on windows i used vmwareworkstaion16 using pUTTY but not work i dont know why
Permission denied
Please help me
{passeword access denied}
Check the permissions of the authorized_keys file
As well as being in the user's .ssh directory, the user that is logging in needs access to it
So if it was created by the root account for instance then it won't work
@@TechTutorialsDavidMcKone
Thank you for the explaining
Do u hav any video about that
I don't have a video but if you login to the console and change to the user's .ssh folder you can change the file permissions
sudo chown user:user authorized_keys
Although you'll need to replace user in that command with the actual user name