Cisco Cisco IPS 4255 Sensor

The exact format of the source and destination URLs varies according to the file. Here are the valid 
types:

ftp:—Source or destination URL for an FTP network server. The syntax for this prefix is:

ftp:[//[username@] location]/relativeDirectory]/filename

ftp:[//[username@]location]//absoluteDirectory]/filename

scp:—Source or destination URL for the SCP network server. The syntax for this prefix is:

scp:[//[username@] location]/relativeDirectory]/filename

scp:[//[username@] location]//absoluteDirectory]/filename

If you use FTP or SCP protocol, you are prompted for a password. If you use SCP protocol, 
you must add the remote host to the SSH known hosts list.

http:—Source URL for the web server. The syntax for this prefix is:

http:[[/[username@]location]/directory]/filename

https:—Source URL for the web server. The syntax for this prefix is:

https:[[/[username@]location]/directory]/filename

If you use HTTPS protocol, the remote host must be a TLS trusted host. 

To install the license key, follow these steps:

Apply for the license key at 

In addition to a valid Cisco.com username and password, you must also have a Cisco Services 
for IPS service contract before you can apply for a license key. 

Fill in the required fields.

You must have the correct IPS device serial number because the license key only functions on 
the device with that number.

Your Cisco IPS Signature Subscription Service license key will be sent by e-mail to the e-mail address 
you specified. 

Save the license key to a system that has a web server, FTP server, or SCP server.

Log in to the CLI using an account with administrator privileges.

Copy the license key to the sensor.

sensor# copy scp://user@10.89.147.3://tftpboot/dev.lic license-key

Password: *******

Verify the sensor is licensed.

sensor# show version

Application Partition: