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Author Archives: Adam
Verifying Cisco IOS File Integrity
Moving files on Cisco devices is important to know how to do but knowing the files are free of errors is also important. If you have every upgraded a device and find that it won’t boot because the image file corrupted you certainly know what I’m talking about. While this happens very rarely it’s important none the less. Additionally, knowing that you got the IOS from Cisco without it being tampered with is also important from a security standpoint. First, jump onto Cisco.com and log in with your Cisco ID. Access the download section for a device you have support … Continue reading
APC Network Management Card CLI Setup
In this quick article I will give you a crash course in the CLI and cover the basic IP setup of one of these units. Once the unit is IP addressed you can access the web GUI to configure it further. The box the network management card came in will include a console cable to administration. It will have a serial connector on one end and what looks like an 1/8 inch male audio connector on the other end. This is what connects to the net management card. Connect to the unit with your laptop using 9600 baud and other … Continue reading
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
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