By default, as you use Burp's browser, Burp logs all HTTP or WebSocket messages for further analysis. By setting a scope, you can tell Burp which URLs you want to test and which you don't want to test. For example, you may want to exclude URLs that:
In Burp Suite Community Edition, your scope settings are lost when you close Burp, along with any other data. You can save the scope settings as part of a project file in Burp Suite Professional. For more information, see Project files.
To add a URL to your scope:
The prefix is added to the Include in scope list. Any URL that starts with this exact prefix is now in scope. Any URL that doesn't start with a prefix from the list is out of scope. For example, if you add https://example.com, requests to any path on this domain are in scope if they're accessed over HTTPS.
After you add a URL to your scope, you may want to exclude specific paths that are a subset of the in-scope prefixes, such as https://example.com/admin. To exclude a URL from your scope:
The prefix is added to the Exclude from scope list. A URL is now in scope if it starts with an in-scope prefix, but does not start with an out-of-scope prefix.