This article is for administrators of the classic Google Sites (no Publish button at the top right). Get help for administrators of the new Google Sites.
Supported hosts and ports
In order for users on your network to access classic Google Sites, your firewall rules should connect to the following hosts and ports. Otherwise, users may be blocked or denied access from these services.
For the following hosts, * represents any string not containing a period.
- The IP addresses that various domain names resolve to don't necessarily fall within any given address range.
- Other Google properties may use the IP addresses that Google Sites uses.
- Techniques that Google Sites uses to connect to Google servers depend on the browser, browser version, networking conditions, etc.
- Even if you don't currently observe activity at the addresses listed above in a particular Google product there could be future activity.