In this video we'll be doing the login validation to check each users details before they login. This means that users will only be able to login using the correct details, once they provide the correct details we'll be able to create a login token to securely check if the user is logged in on each page they visit. Link to DigitalOcean: http://howco.de/d_ocean Link to video 4 source code: http://howco.de/sn4-source Link to series playlist: http://howco.de/sn-playlist Link to howCode Facebook: http://howco.de/fb Link to howCode Twitter: http://howco.de/twitter Don't forget to subscribe for more!

In this video we'll be setting the question count in the response, this will always be 1, even though the DNS protocol allows for multiple questions in a single query. That's because, in practice, every DNS query has only one question. We'll also we working out the answer count. This is more complicated because the answer count is calculated by reading the zone file for the domain in question and counting the number of records of the correct type in the zone file. Don't forget to subscribe for more!