Module #3 Journal Entries - wAlber47/Tech-Journal GitHub Wiki

Page contains journal entries and troubleshooting steps for the labs and activities completed in this module.

DNS Enumeration Activity

In this class activity, the goal was to create various scripts and one liners that would further our knowledge of DNS Enumeration with Bash and NMAP.

Port Scanner

The first task was to create a port scanner that would scan for open DNS ports on a subnet. This could be done by modifying our program that we created in the last module. This really short script can be seen here. It's output looks like this:

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DNS Resolver

This piece of the activity focused on creating another small script that resolves all the DNS Servers within a range of IP Addresses. Of these two, this was definitely the easier one. The code for this can be found here. The output can looks like this:

image