What process can I use to submit .crash files that aren't submitted to Ubuntu due to restrictions on my network?
Please see the documentation here for further details about bug reporting. I copied and pasted the relevant info here for you.
First, gather the information about the target system in a file:
For a bug report about a system crash:
For a bug report about any other issue:
After copying it to a different system you can file that report using the following command:
If this is to be added to an existing bug report, also use the -u option:
You will need to answer a few questions, and a web browser will be launched to complete the bug report.
Hope this helps!