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How to install public key in host windows server 2012

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3

5

My user from another server gave his public key to me and asked me to install this public key into my server so he can connect to my server. Did some research and I have to create a directory called .ssh and paste my user public key in a Notepad and save this text file into the .ssh directory. My question is does my research correct if so where and how I create this .ssh directory and the key file, is it in text file format? Do I have to pass any information like my key to the user? I’m using Windows Server 2012.

ssh windows-server-2012 openssh sftp

share|improve this question

edited yesterday

xChaax

asked 2 days ago

xChaaxxChaax

163

New contributor

xChaax is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

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  Comments are not for extended discussion; this conversation has been moved to chat.
  
  – DavidPostill♦
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add a comment | 

3

5

My user from another server gave his public key to me and asked me to install this public key into my server so he can connect to my server. Did some research and I have to create a directory called .ssh and paste my user public key in a Notepad and save this text file into the .ssh directory. My question is does my research correct if so where and how I create this .ssh directory and the key file, is it in text file format? Do I have to pass any information like my key to the user? I’m using Windows Server 2012.

ssh windows-server-2012 openssh sftp

share|improve this question

edited yesterday

xChaax

asked 2 days ago

xChaaxxChaax

163

New contributor

xChaax is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Comments are not for extended discussion; this conversation has been moved to chat.
  
  – DavidPostill♦
  8 hours ago
  

  
  
  
  

add a comment | 

My user from another server gave his public key to me and asked me to install this public key into my server so he can connect to my server. Did some research and I have to create a directory called .ssh and paste my user public key in a Notepad and save this text file into the .ssh directory. My question is does my research correct if so where and how I create this .ssh directory and the key file, is it in text file format? Do I have to pass any information like my key to the user? I’m using Windows Server 2012.

ssh windows-server-2012 openssh sftp

share|improve this question

edited yesterday

xChaax

asked 2 days ago

xChaaxxChaax

163

New contributor

xChaax is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited yesterday

xChaax

asked 2 days ago

xChaaxxChaax

163

New contributor

xChaax is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited yesterday

xChaax

asked 2 days ago

xChaaxxChaax

163

New contributor

xChaax is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 2 days ago

xChaaxxChaax

163

New contributor

xChaax is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 2 days ago

xChaaxxChaax

163

1 Answer
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12

• The public key must go into authorized_keys file (not just to some text file) in the .ssh subfolder of user's home directory.


• 
  

  The public key entry must have a correct format like:

  
  
  

  ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAir2cIHsAFg8QzLF6Yb... some optional comment
  
  

  
  



• The authorized_keys file must use *nix line endings, what Notepad cannot do (so make sure your SFTP/FTP client uses ASCII transfer mode to convert the line endings)



• The .ssh folder needs to have 700 permissions and the authorized_keys needs to have 600 permissions.

There are zillions of guides on the Internet that cover the above.

For example see my guide to Setting up SSH public key authentication in OpenSSH.

---

If the user is already a user on your server (has password [or other] authentication working), he/she can setup the public key on his/her own.

• On *nix machines (or others that have OpenSSH available, what may include Windows), you can use ssh-copy-id script.


• On Windows machines, you can use (my) WinSCP, with its Install Public Key into Server function.

See also my answer to Setting up public key authentication to Linux server from Windows (ppk private key).

---

You should provide your user a copy of the server's public host key, so that the user can verify it, when connecting for the first time (it's a separate from the authentication, what the rest of the question is about). Though many users just blindly accept the host key.

share|improve this answer

edited 2 days ago

answered 2 days ago

Martin PrikrylMartin Prikryl

11.4k43381

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Does it matter what directory for .ssh folder ? If does, what directory is home directory? And what is the format for authorized_keys file ?
  
  – xChaax
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  See my updated answer.
  
  – Martin Prikryl
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  5
  

  
  
  
  
  
  

  
  
  More generally, the public key must go in whatever file is specified as AuthorizedKeysFile in sshd_config, which by default is ~/.ssh/authorized_keys
  
  – user4556274
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's a bit of a sloppy hack, but on new machines I generally run a 'ssh-keygen' to create the ~/.ssh/ directory in the proper place with the proper permissions, and then copy keys into the authorized_keys file.
  
  – Dave X
  2 days ago
  

  
  
  
  

add a comment | 

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12

• The public key must go into authorized_keys file (not just to some text file) in the .ssh subfolder of user's home directory.


• 
  

  The public key entry must have a correct format like:

  
  
  

  ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAir2cIHsAFg8QzLF6Yb... some optional comment
  
  

  
  



• The authorized_keys file must use *nix line endings, what Notepad cannot do (so make sure your SFTP/FTP client uses ASCII transfer mode to convert the line endings)



• The .ssh folder needs to have 700 permissions and the authorized_keys needs to have 600 permissions.

There are zillions of guides on the Internet that cover the above.

For example see my guide to Setting up SSH public key authentication in OpenSSH.

---

If the user is already a user on your server (has password [or other] authentication working), he/she can setup the public key on his/her own.

• On *nix machines (or others that have OpenSSH available, what may include Windows), you can use ssh-copy-id script.


• On Windows machines, you can use (my) WinSCP, with its Install Public Key into Server function.

See also my answer to Setting up public key authentication to Linux server from Windows (ppk private key).

---

You should provide your user a copy of the server's public host key, so that the user can verify it, when connecting for the first time (it's a separate from the authentication, what the rest of the question is about). Though many users just blindly accept the host key.

share|improve this answer

edited 2 days ago

answered 2 days ago

Martin PrikrylMartin Prikryl

11.4k43381

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Does it matter what directory for .ssh folder ? If does, what directory is home directory? And what is the format for authorized_keys file ?
  
  – xChaax
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  See my updated answer.
  
  – Martin Prikryl
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  5
  

  
  
  
  
  
  

  
  
  More generally, the public key must go in whatever file is specified as AuthorizedKeysFile in sshd_config, which by default is ~/.ssh/authorized_keys
  
  – user4556274
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's a bit of a sloppy hack, but on new machines I generally run a 'ssh-keygen' to create the ~/.ssh/ directory in the proper place with the proper permissions, and then copy keys into the authorized_keys file.
  
  – Dave X
  2 days ago
  

  
  
  
  

add a comment | 

12

• The public key must go into authorized_keys file (not just to some text file) in the .ssh subfolder of user's home directory.


• 
  

  The public key entry must have a correct format like:

  
  
  

  ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAir2cIHsAFg8QzLF6Yb... some optional comment
  
  

  
  



• The authorized_keys file must use *nix line endings, what Notepad cannot do (so make sure your SFTP/FTP client uses ASCII transfer mode to convert the line endings)



• The .ssh folder needs to have 700 permissions and the authorized_keys needs to have 600 permissions.

There are zillions of guides on the Internet that cover the above.

For example see my guide to Setting up SSH public key authentication in OpenSSH.

---

If the user is already a user on your server (has password [or other] authentication working), he/she can setup the public key on his/her own.

• On *nix machines (or others that have OpenSSH available, what may include Windows), you can use ssh-copy-id script.


• On Windows machines, you can use (my) WinSCP, with its Install Public Key into Server function.

See also my answer to Setting up public key authentication to Linux server from Windows (ppk private key).

---

You should provide your user a copy of the server's public host key, so that the user can verify it, when connecting for the first time (it's a separate from the authentication, what the rest of the question is about). Though many users just blindly accept the host key.

share|improve this answer

edited 2 days ago

answered 2 days ago

Martin PrikrylMartin Prikryl

11.4k43381

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Does it matter what directory for .ssh folder ? If does, what directory is home directory? And what is the format for authorized_keys file ?
  
  – xChaax
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  See my updated answer.
  
  – Martin Prikryl
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  5
  

  
  
  
  
  
  

  
  
  More generally, the public key must go in whatever file is specified as AuthorizedKeysFile in sshd_config, which by default is ~/.ssh/authorized_keys
  
  – user4556274
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It's a bit of a sloppy hack, but on new machines I generally run a 'ssh-keygen' to create the ~/.ssh/ directory in the proper place with the proper permissions, and then copy keys into the authorized_keys file.
  
  – Dave X
  2 days ago
  

  
  
  
  

add a comment | 

• The public key must go into authorized_keys file (not just to some text file) in the .ssh subfolder of user's home directory.


• 
  

  The public key entry must have a correct format like:

  
  
  

  ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAir2cIHsAFg8QzLF6Yb... some optional comment
  
  

  
  



• The authorized_keys file must use *nix line endings, what Notepad cannot do (so make sure your SFTP/FTP client uses ASCII transfer mode to convert the line endings)



• The .ssh folder needs to have 700 permissions and the authorized_keys needs to have 600 permissions.

There are zillions of guides on the Internet that cover the above.

For example see my guide to Setting up SSH public key authentication in OpenSSH.

---

If the user is already a user on your server (has password [or other] authentication working), he/she can setup the public key on his/her own.

• On *nix machines (or others that have OpenSSH available, what may include Windows), you can use ssh-copy-id script.


• On Windows machines, you can use (my) WinSCP, with its Install Public Key into Server function.

See also my answer to Setting up public key authentication to Linux server from Windows (ppk private key).

---

You should provide your user a copy of the server's public host key, so that the user can verify it, when connecting for the first time (it's a separate from the authentication, what the rest of the question is about). Though many users just blindly accept the host key.

share|improve this answer

edited 2 days ago

answered 2 days ago

Martin PrikrylMartin Prikryl

11.4k43381

share|improve this answer

edited 2 days ago

answered 2 days ago

Martin PrikrylMartin Prikryl

11.4k43381

answered 2 days ago

Martin PrikrylMartin Prikryl

11.4k43381

answered 2 days ago

Martin PrikrylMartin Prikryl

11.4k43381