If Blackbaud does not host your NetCommunity installation:
Please contact the appropriate software vendor or IT professional for assistance with this process or issue, which is beyond Blackbaud's scope of support.
 
If Blackbaud hosts both your NetCommunity and Raiser's Edge installations:
No action is necessary.
 
If Blackbaud hosts your NetCommunity installation, and you host your Raiser's Edge Web Server:

The IP addresses that will need to be open vary by datacenter:

Boston:
205.139.103.1

Orange County:
209.67.132.1

Vancouver:
204.92.98.65 – 252 (This range of addresses must be open)

Sydney:
61.14.116.96

EU (Amsterdam):
212.46.135.2 

For assistance on configuring your Firewall, Please contact the appropriate software vendor or IT professional for assistance with this process or issue, which is beyond Blackbaud's scope of support.
If you need help determining your datacenter, please Click Chat with Support and reference this article