Trying to pass login subdomain back to main site.

[Hot On0D45]

I created a login page then using .cfm page to save the data and redirect the page to main site. We are going to use subdomain page for marketing and I have everything else going. I just can't keep user logged in when the redirect to the main site. 

I think the main site might be issue since its using javascript and php on main site. Here is the subdomain as well. https://2020.hotonhomes.com/landing.html

Any ideas? 

[BKBK]

ColdFusion is one country. Javascript and PHP are a different country. A traveller leaving ColdFusion needs some form of ID to be legitimized in the other country.

This analogy suggests a solution. Countries share a common system to check passports. By analogy, the subdomain and main site are both your applications, and presumably share the same database.   

You could use a session-based database table as follows.When a user successfully logs in on the ColdFusion site, their session is stored, for example, as a UUID. When opening a URL on the other site, the user passes the UUID. The second site will then validate it by comparing it with the value in the database.