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I just have created a large-instance for ubuntu-AMI on Amazon ec2. generated a key pair & ssh open in firewall. now using puttygen i got ppk file since i am using window machine. now using publuc DNS i am trying to connect to server but while fetching username and pressing enter key it says "server refused our key".

how to solve this problem.

please someone help.

thanks.

2
  • Did you add the publickey to the authorized_keys file in /home/user/.ssh/? That will allow the server to process the keys.
    – Thomas Ward
    Jul 25, 2011 at 19:32
  • Please use the contact us link at the bottom of this page to ask for your unregistered account and your new registered account to be merged. Thanks.
    – fossfreedom
    Mar 3, 2013 at 10:09

1 Answer 1

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i just have got the solution. here i have made a mistake while making ppk file from pem file using puttygen.exe, i was suppose to load the pem file & then save private key. insted of that i was importing the pem file generating a key pair and then saving private key. this was creating a problem to me.

thanks for the support.

2
  • how to import a .pem file? when i try to import it only allows me to import ppk file
    – Harsha M V
    Nov 9, 2013 at 6:58
  • this is almost exactly what I did, I opened a key for conversion and generated a new key instead of immediately saving it
    – iopq
    Jul 4, 2021 at 12:50

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