Recently I needed to find out information about a Juniper router password which is stored as a hash in the router configuration. The tricky part is while the password hash is technically a MD5 hash it is modified to make it unique and make it harder to crack. Luckily there is a way to crack…
Cisco devices running the Cisco IOS have three types of ways to display passwords in the device configuration which include Type 0, Type 5, and Type 7. Below we describe all three methods of storing passwords in the Cisco IOS device configuration and how to obtain the password from each method either by simply reading…
I spent a lot of time the other night trying to find a perl script that would decode Cisco type 7 password hashes and many of them did not work properly. At first I thought I was doing something wrong however I am pretty sure that most of the scripts were just broken. Anyhow I…
Tonight I needed to console into a old Cisco 2900 switch to test a couple password related items and it was the first time that I would be using USB to Serial adapter on my Macbook. Previously there had been a lot of issues with the adapter I have, which is a PL-2303, and getting…
Earlier tonight I created a little script that will run in cron on a Linux server. The script counts the number of directories and files in a specific directory and if the count is above Y then it deletes directories and files older than X number of days. In the example script below the number…