Covered in this doc
Allowing specific IPs through the firewall
Inbound connections only
This is for inbound connections to your SCM instance only. Your CI environment must allow outbound internet access to percy.io, otherwise outbound API calls will not succeed.
If you're working with a self-hosted source code manager or using GitHub's IP allow list, it's possible that instance is also behind a corporate firewall that prohibits inbound connections. In order for the Percy SCM integration to work properly, you will need to allow TCP connections from the following IP addresses through the firewall:
Once that is done, the Percy SCM integration should work correctly.
Updated about 2 years ago