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Who is this article for?

Code42 for EnterpriseSee product plans and features
CrashPlan for Small Business 

CrashPlan for Small Business, no.

Code42 for Enterprise, yes.

Link: Product plans and features.

This article applies to Cloud.

Other available versions:

Version 6Link: What version am I on?

Code42 Support

IP addresses and ports used by the Code42 platform


This article lists all of the ports and IP addresses used by Code42.

Code42 app ports 







  • Authority server
  • Storage servers
Communication from the device to the Code42 cloud
443 TCP LANs Storage servers Communication from the device Code42 cloud storage
4243 TCP Localhost Localhost Default port for Code42 app connection to the Code42 service
4285 TCP Browsers in LANs Storage servers For the optional web restore function

Code42 IP addresses 

Code42 uses the following IP addresses. This information is subject to change, and we recommend that you subscribe to our announcements page in the Code42 Community to learn about upcoming changes to IP addresses. See the table below for the revision history of this article.

Code42 IP Addresses
Code42 administration console URL AWS Region


us-east-1 eu-west-1
Whitelist Code42's domain
Amazon IP addresses are highly dynamic across a very large range, so consider instead whitelisting the *  domain.

Revision history

The table below lists previous updates to this page. To learn more about IP address and network port updates, go to

Date Updates
March 13, 2019
  • Added new IP address range:
  • Published all IP addresses. Previously, IP addresses were only available by contacting our Customer Champions or your Customer Success Manager (CSM).

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