Symfony 5: The Fast Track is the best book to learn
modern Symfony development, from zero to production. +300 pages in full color showing how to
combine Symfony with Docker, APIs, queues & async tasks, Webpack, Single-Page Applications, etc.
As of Symfony 2.5, more possibilities to restrict firewalls have been added.
You can read everything about all the possibilities (including host)
in “How to Restrict Firewalls to a Specific Request”.
This work, including the code samples, is licensed under a
Creative Commons BY-SA 3.0