Generating a Secure Shell (SSH) Public/Private Key Pair Several tools exist to generate SSH public/private key pairs. The following sections show how to generate an SSH key pair on UNIX, UNIX-like and Windows platforms. The domain name is required for security keys and certificates. Step 4: crypto key generate rsa Example: Switch (config)# crypto key generate rsa (Optional) Generates an RSA key pair. RSA key pairs are required before you can obtain a certificate for the switch. RSA key pairs are generated automatically. Actually, for maximum security, you can enable a username/password and public key authentication for access to your switch. In this article, I’ll show you how to enable public key authentication on an SG300 Cisco switch and how to generate the public and private key pairs using puTTYGen. I’ll then show you how to login using the new keys.
Generate Rsa Key On 2960x Switch
Dec 26, 2013 so it looks as if there is no point in the 'crypto key generate rsa' command if i follow it up with the 'crypto key generate rsa usage-keys label sshkeys mod 1024' command, i just wanted to make sure the first wasn't need for the second to. How to create self-signed certificates An article by Fabio Semperboni Tutorial A digital certificate or identity certificate is an electronic document which uses a digital signature to bind a public key with an identity, information such as the name of a person.
I have two Cisco Catalyst 2960-S 48-port switches 'stacked' using the Cisco FlexStack module. Originally I had to set them up using 'Express Setup', which I absolutly hate from my limited use of it.
I configured hostnames, ip addresses, and made sure the stack was functioning properly. I tested by plugging in a laptop and making sure it could open an internet page and all was well. I configured each switch exactly the same with the exception (obviously) of the hostname and IP. I then powered them OFF and installed the stacking module and they auto-configured themselves..
Before:
Switch-A (192.168.10.3)
Switch-B (192.168.10.4)
After:
Switch-A (192.168.10.3) Master 1
Switch-B Member 2
What I need and want to do now is setup remote access. If I have to go connect up with a console cable to configure that's fine, but I'm not sure if I need to..
If I open PuTTY and use Telnet to connect it states 'password required, but none set' and the PuTTY window closes.
If I open PuTTY and use SSH to connect it prompts me 'login as:'
If I press enter (@192.168.10.3's password:) it proceeds to prompt me for a password, which entering the password I used to setup the switch I receive 'access denied'.
I know I didn't configure SSH or Telnet for that matter when I initially set these up. I want to fix that now.
I want SSH (v2) enabled and I want to disable Telnet.
Any suggestions?
I configured hostnames, ip addresses, and made sure the stack was functioning properly. I tested by plugging in a laptop and making sure it could open an internet page and all was well. I configured each switch exactly the same with the exception (obviously) of the hostname and IP. I then powered them OFF and installed the stacking module and they auto-configured themselves..
Before:
Switch-A (192.168.10.3)
Switch-B (192.168.10.4)
After:
Switch-A (192.168.10.3) Master 1
Switch-B Member 2
What I need and want to do now is setup remote access. If I have to go connect up with a console cable to configure that's fine, but I'm not sure if I need to..
If I open PuTTY and use Telnet to connect it states 'password required, but none set' and the PuTTY window closes.
If I open PuTTY and use SSH to connect it prompts me 'login as:'
If I press enter (@192.168.10.3's password:) it proceeds to prompt me for a password, which entering the password I used to setup the switch I receive 'access denied'.
I know I didn't configure SSH or Telnet for that matter when I initially set these up. I want to fix that now.
I want SSH (v2) enabled and I want to disable Telnet.
Any suggestions?
Several tools exist to generate SSH public/private key pairs. The following sections show how to generate an SSH key pair on UNIX, UNIX-like and Windows platforms.
Generating an SSH Key Pair on UNIX and UNIX-Like Platforms Using the ssh-keygen Utility
UNIX and UNIX-like platforms (including Solaris and Linux) include the ssh-keygen utility to generate SSH key pairs.
![Generate Rsa Key On 2960x Generate Rsa Key On 2960x](/uploads/1/2/5/8/125871129/269050649.jpg)
To generate an SSH key pair on UNIX and UNIX-like platforms using the ssh-keygen utility:
- Navigate to your home directory:
- Run the ssh-keygen utility, providing as
filename
your choice of file name for the private key:The ssh-keygen utility prompts you for a passphrase for the private key. - Enter a passphrase for the private key, or press Enter to create a private key without a passphrase:Note:While a passphrase is not required, you should specify one as a security measure to protect the private key from unauthorized use. When you specify a passphrase, a user must enter the passphrase every time the private key is used. Cd key generator free.The ssh-keygen utility prompts you to enter the passphrase again.
- Enter the passphrase again, or press Enter again to continue creating a private key without a passphrase:
- The ssh-keygen utility displays a message indicating that the private key has been saved as
filename
and the public key has been saved asfilename
.pub
. It also displays information about the key fingerprint and randomart image.
![Generate Rsa Key On 2960x Generate Rsa Key On 2960x](/uploads/1/2/5/8/125871129/500422309.jpg)
Generating an SSH Key Pair on Windows Using the PuTTYgen Program
The PuTTYgen program is part of PuTTY, an open source networking client for the Windows platform.
To generate an SSH key pair on Windows using the PuTTYgen program:
Generate Rsa Key On 2960x Computer
- Download and install PuTTY or PuTTYgen.To download PuTTY or PuTTYgen, go to http://www.putty.org/ and click the You can download PuTTY here link.
- Run the PuTTYgen program.
- Set the Type of key to generate option to SSH-2 RSA.
- In the Number of bits in a generated key box, enter 2048.
- Click Generate to generate a public/private key pair.As the key is being generated, move the mouse around the blank area as directed.
- (Optional) Enter a passphrase for the private key in the Key passphrase box and reenter it in the Confirm passphrase box.Note:Supreme commander 2 cd key generator. While a passphrase is not required, you should specify one as a security measure to protect the private key from unauthorized use. When you specify a passphrase, a user must enter the passphrase every time the private key is used.
- Click Save private key to save the private key to a file. To adhere to file-naming conventions, you should give the private key file an extension of
.ppk
(PuTTY private key).Note:The.ppk
file extension indicates that the private key is in PuTTY's proprietary format. You must use a key of this format when using PuTTY as your SSH client. It cannot be used with other SSH client tools. Refer to the PuTTY documentation to convert a private key in this format to a different format. - Select all of the characters in the Public key for pasting into OpenSSH authorized_keys file box.Make sure you select all the characters, not just the ones you can see in the narrow window. If a scroll bar is next to the characters, you aren't seeing all the characters.
- Right-click somewhere in the selected text and select Copy from the menu.
- Open a text editor and paste the characters, just as you copied them. Start at the first character in the text editor, and do not insert any line breaks.
- Save the text file in the same folder where you saved the private key, using the
.pub
extension to indicate that the file contains a public key. - If you or others are going to use an SSH client that requires the OpenSSH format for private keys (such as the
ssh
utility on Linux), export the private key:- On the Conversions menu, choose Export OpenSSH key.
- Save the private key in OpenSSH format in the same folder where you saved the private key in
.ppk
format, using an extension such as.openssh
to indicate the file's content.