In order to allow access to dropbox.com, you need to do the following:
- Allow dropbox.com
- Allow the dropbox.com IP address range of 126.96.36.199/22
The "To Where" column will include the domain and the IP address range. Set the rule to "Allow". Once you created the rule, click the Activate button and test your policy.
If you have SSL intercept enabled, you need to disable SSL intercept for 188.8.131.52/22. To do that, please do the following:
1.) Login to the portal (portal.threatpulse.com)
2.) Go to Service > Network > SSL > Pass Through Destination > Pass Through IPs/Subnets (tab) > Add Pass Through IPs/Subnet (button).
3.) Enter 184.108.40.206/22
4.) Click on the Activate button and then test.