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CrashPlan - Using Code 42's CrashPlan through a Cipafilter
Posted by , Last modified by Julius Leachman III on 29 August 2018 02:04 PM

This KB is relevant to users on versions 9.0 and above.

Issue

CrashPlan is a backup service produced by Code 42 Software that backs data up to remote servers, other computers, or hard drives. It is available on Mac, Windows, Solaris, and Linux, and offers a variety of vectors for storing copies of customer data.

 

Solution

Using CrashPlan with a Cipafilter


Because CrashPlan passes non-HTTPS traffic over port 443, it is currently incompatible with proxy servers and the Cipafilter's content filtering functionality. If users are being transparently filtered by the Cipafilter, navigate to the Content Filtering page of Internet Filtering and locate the "Manage Exceptions" button. It will be under either the Basic Configuration or the Advanced Configuration tab, depending on the version of Cipafilter firmware you are running.


To begin adding transparent proxy exceptions, click the "Add Exception" button and fill in the subnet that is to bypass filtering. For CrashPlan, you will need to create exceptions for the following subnets:

  • 216.17.8.0/24
  • 162.222.40.0/21


The image below indicates how these addresses should be entered in "Manage Exceptions." To apply these changes, simply hit the "Submit" button to return to the Content Filtering page and then hit "Save and Apply."

CrashPlan Transparent Proxy Exception

 

If you are using proxy settings, you will need to manually add this subnet to the list of proxy exceptions in your browser's manual/advanced proxy server configuration settings.



Attachments 
 
 crashplantransparentproxyexception.png (71.61 KB)
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