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Tag Archives: security
Cisco ASA IPSec Pre Shared Key Recovery
The Cisco ASA firewall is one of the most common firewalls I have encountered while both working in the corporate IT world as well as in the consulting industry with small to medium clients. Most administrators enjoy working with it as it has both a fairly intuitive interface in the form of the ASDM and a powerful CLI as well. One simple but common complaint, however, is that pre shared keys are difficult to recover from the units when working with IPsec tunnels. The solution is quite simple yet often elusive. Continue reading
Posted in Networking Tagged backup, cisco, configuration, IPSec, networking, security, trouble shoot Leave a comment
Cisco ASA Password Recovery
When inheriting used and abused customer networks it becomes necessary to reset passwords on devices the hard way from time to time. Fortunately with the Cisco ASA it’s still not all that complicated. You will see that with each step I included examples of the commands and the output along the way as well. Continue reading
Posted in Networking Tagged cisco, configuration, networking, security, trouble shoot Leave a comment
Cisco Privilege Level Access with Radius and NPS Server
When administering Cisco network gear it’s always nice to be able to login with your typical admin credentials. You change one password and it changes over all systems. It’s not uncommon for organizations of many different sizes to use RADIUS backed up to Active Directory to achieve this.
The simplest setup is typically to allow network admins full access to the CLI and nothing for everyone else. Typically, that works well. I wanted the helpdesk guys to get some Cisco experience, however, while not having the ability to make a bunch of changes. Continue reading
Posted in Networking, Security Tagged active directory, cisco, configuration, IOS, security, windows 4 Comments
Windows NPS Radius Authentication of Cisco Prime Infrastructure
As part of a recent network upgrade I was able to get Cisco Prime Infrastructure included in the moneys for the project. I love new systems to play with, of course, and immediately got to work checking out all the bells and whistles. Needless to say, it wasn’t long until I got tired of remembering the root credentials and began looking at RADIUS authentication for some help. Additionally, I’m kind of the security guy too and knew I was breaking my own rules by not having individual user logons in place. Continue reading
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