Synapse Workspaces provide a rich interface which allows users to make use of an array of features and services. However this does come with a few requirements from an access perspective.
To ensure that you are able to navigate the workspace without limitations and that functionality is not limited ensure that the following URLs are accessible on port 80 and 443 respectively.
In addition SQL Specific ports are required for SQL Pools and SQL On Demand which is discussed in the following article Synapse SQL Pool and On Demand Inaccessible
