Then click Add Public Key. Note that although it is safe to email the public key generated here you should never email a private key file. This usually means that the server is not configured to accept this key to authenticate this user. So a key generated with one client cannot immediately be used with another. For example, it might happen if you pull the network cable out of the back of an Ethernet-connected computer, or if Windows has any other similar reason to believe the entire network has become unreachable. After you save your session, your key is loaded automatically when you connect to your server.
Then browse for the file you created above in the right circled region. To do so, select one of the Export options from the Conversions menu. If you want your passphrase to make grammatical sense, this cuts down the possibilities a lot and you should use a longer one as a result. You may be able to improve the situation by using keepalives; see for details on this. This procedure works but I have to enter the Passphrase from the keyboard, which defeats the process of running from command line.
Why not just remove the passphrase from the key? In this case we recommend you generate a special key for each specific batch script or whatever that needs one, and on the server side you should arrange that each key is restricted so that it can only be used for that specific purpose. You need to arrange for your X authentication data to be passed from the user you logged in as to the user you used su to become. Your key pair is now ready for use. Windows also generates this error if it has given up on the machine at the other end of the connection ever responding to it. Host Machine All of the above has been unsuccessful.
Have a question about this project? Setting a Passphrase for Your Key The Key passphrase and Confirm passphrase boxes allow you to choose a passphrase for your key. A common way to provoke this error is to accidentally try to connect to port 0, which is not a valid port number. Anything else I can try to change or drop the passphrase? The problem is between you, your Windows system, your network and the remote system. Take as much time as you need. The basics of are covered in the first page of this article.
Recently I generated a key-pair using PuttyGen in Windows, it worked fine when I connected to my remote server using Putty Of course with my public key stored on the remote server first. This may mean that a malicious attacker has replaced your server with a different one, or has redirected your network connection to their own machine. Select a directory, type in a file name, and press Save. Your host private key is locked using passphrase and when the ssh try to read it can't unlock it. This probably means something has gone wrong in the encryption or decryption process. So, , it sounds like you have a different bug and you should open a new issue for it with details on the error message you are seeing.
Common errors include having the wrong permissions or ownership set on the public key or the user's home directory on the server. I don't know if that has messed this up? A restart might be treated a little differently. If you get an error message which is not listed in this chapter and which you don't understand, report it to us as a bug see and we will add documentation for it. They can't break into something if it's not available. Login on the server using the User which is member of the wheel group.
This will make Pageant start when you login and automatically load your key. There is no way to recover it. Unix also generates this error when it tries to send data down a connection and contact with the server has been completely lost during a connection. Could I get the same if I just regenerate them without a passphrase? You should contact your server's administrator and see whether they expect the host key to have changed. Note that Windows can produce this error in some circumstances without seeing a connection reset from the server, for instance if the connection to the network is lost. See for information about importing foreign key formats. If you told ssh-keygen to use a passphrase, you need to provide it now.
The progress bar will reset to the start, and gradually move up again to track the progress of the key generation. I confirmed im actually trying to load the private key, not the pub key. If that fails, consult the administrator of your server. Any help would be much appreciated. As mentioned above, can anyone tell me how to send the private key Passphrase in the command line? That error is complaining about not being able to find the -P key I believe. Performing sanity check on sshd configuration. If all else fails, yes, you can also re create them by hand.
If the network between your client and server goes down and your client then tries to send some data, Windows will make several attempts to send the data and will then give up and kill the connection. If you see this type of message, the first thing you should do is check your server configuration carefully. Also, when you say you transferred the public key to the server, what did you do? Which is not true, because I can add the key in pageant. So I figure there must be some potential issue with the key exception I did not know what the problem was exactly. It then gives some instructions for using Putty.