View the original community article here
Last tested: Apr 22, 2020
These are our network requirements for instances connecting to our Marketplace backend:
• HTTPS port 443 should be open or able to access https://marketplace-api.looker.com
• SSH port 22 should be open or able to access https://github.com
• GIT port 9418 should be open or able to access https://github.com
You should be able to access the content you're interested in after adjusting these rules.
This content is subject to limited support.