There are multiple ways you can configure Arachni to login to a web application, depending on your requirements.
For instructions and examples please consult the relevant Knowledge Base article.
As Arachni is a black-box scanner, it has little knowledge about the web application it is testing.
By providing a little more information when configuring the scan, you can make the entire process significantly faster.
At the moment, there are no specialized service crawlers.
You can however train Arachni with the particulars of your service, thus allowing it to scan it successfully.
Arachni has an open distributed design, allowing for easy integration with existing solutions.
Its RPC interface allows you to perform and manage scans via a simple client-server architecture.
Yes. Arachni provides an integrated browser environment in order to support modern web application technologies.
This allows it to identify client-side issues in addition to server-side ones.
For more support resources please consult the Help page.