Feb 12, 2018 When running the following commands to generate my keys: Router(config)#crypto key generate rsa I am getting the following output: How many bits in the modulus 512: 1024% Generating 1024 bit RSA keys, keys will be non-exportable.
Using a Cisco Router with a Self-Signed Certificate For application development and testing, you can generate self-signed certificates to encrypt communications between your applications and the router. Sep 18, 2018 We have configured hostname as IOS and domain-name as letsconfig.local; so, our RSA key name will be IOS.letsconfigu.com. Let’s generate it. IOS(config)#crypto key generate rsa modulus? 360-4096 size of the key modulus 360-4096 Please note that, we have option to choose key module from 360 to 4096. How I create RSA key and enable SSH access in Cisco VG202, in a Cisco router I use the next commands(but in a VG not exists): conf t. Crypto key generate rsa modulus 1024 ip domain-name domain-name ip ssh version 2 ip ssh time-out 120 ip ssh authentication-retries 3 line vty 0 4 transport input telnet ssh end.
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Introduction
This document describes how to generate 2048 bit key support for Certificate Signing Request (CSR) on the Cisco IronPort Encryption Appliance (IEA).
Configure
Most of the Certificate Authorities (CAs) have stated an explicit request to have all CSRs generated with a key pair of length 2048 bit. By default, IEA Version 6.5 uses 1024 bit key length for key pair generation. In order to force the IEA to generate a key pair of length 2048, use the keytool command as described here.
Generate a Certificate
- Log in to the IEA CLI
- At the main menu, type x in order to drop into the shell.
- Change to the root user:
- Execute the keytool in order to create a new keystore:
- Execute the keytool in order to create a CSR File:
- Provide the CSR file to the Certificate Authority in order to generate a certificate. Ensure you submit it as an Apache Web Server Certficate Signing Request.
- After you receive the .cer file from the CA, proceed to the next steps.
Import a Certificate
Note: The password used when you generate the CSR must match the keystore password in order for these procedures to work. If the CSR was created off-box, the password inputted must match the keystore password in order for these procedures to work.
You must chain the Certificate correctly
- Each CA Certificate must be extracted from the CER file received from the CA and then merged together in a text editor.Note: This is easiest done from a Microsoft Windows machine. Other operating systems work but are more difficult to extract.
Certificates must be chained in this order: 1.Domain 2. Intermediate 3.Root- Double-click in order to open the Certificate file (.CER file), and then click the Certification Path tab:
- Start with the mid-level of the Certification Path, click the Details tab, click Copy to File, and then name it 1.CER.
- Select Base-64 encoded X.509(.CER).
- Repeat for the Top Level CA, and name it 2.CER.
- Repeat for the server certificate, and name it 3.CER.
- Use a text editor (not notepad, but notepad++ works well) in order to open all three X.CER files and combine them in order (1 at the top, and 3 at the bottom):Note: There should be no empty lines between certificates and no empty line at the bottom.
Windows 7 product key generator. - Save as <servername>.CER.
- Upload the <servername>.CER file to the IEA at /home/admin/<servername.cer> with FTP or SCP.
- Copy /home/admin/<servername.cer> to /usr/local/postx/server/conf:
- Double-click in order to open the Certificate file (.CER file), and then click the Certification Path tab:
- Use the IEA GUI in order to import the certificate [Keys and Certificates | SSL Setup].Note: Keystore = [Install Directory]/conf/enterprisenamestore.keystore or the current name of your keystore file.
Certificate = /usr/local/postx/server/conf/NEWCERT.CER.- Check Trust CA Certs.
- Click Import Certificate
- Check Trust CA Certs.
- (Optional -- If a new keystore must be created). From the IEA GUI, tell the IEA to use the new keystore:
- Choose Configuration | Web Server and Proxies | Web Server | Connection Listeners | HTTPS
- Type in the path to the new keystore file:
Example: ${postx.home}/conf/2013_5_13.keystore
- Choose Configuration | Web Server and Proxies | Web Server | Connection Listeners | HTTPS
- Deploy Changes and restart the SMTP Adapter.
Verify
There is currently no verification procedure available for this configuration.
Troubleshoot
Generate 1024 Bit Key Cisco Command Code
There is currently no specific troubleshooting information available for this configuration. https://coderenergy195.weebly.com/putty-generate-ssh-key-linux.html.