I have this issues when access my website
and this is my authentication provider fro my web application in Central administrator
can you help me to fix it
couple of things to check
Check Alternance Access mapping, reference Here
Step 1: Go to the Central Administration using a farm administrator account as shown below.
Step 2: In Central Administration, click system settings from the left navigation. Then you will be navigated to the system settings page.
Step 3: On the system setting page, in the “Farm Management” section select the “Configure Alternate Access Mappings”.
Step 4: When you click on the “Configure alternate”, you will be navigated to the Alternate access settings page as shown below, then click on the “Edit Public URL's”.
Edit Public URL
Step 5: On the “Edit public zone URL's” page, select the site collection from the alternate access mapping collection from the drop down as shown below:
Edit public zone URL
Step 6: When you click on the change alternate access mapping collection option, you will get a pop-up to choose the site collection as shown below. There you can select the site collection that you want to add the URLs in Intranet, Internet, custom and Extranet.
Step 7: After selecting the site collection, you will have the option to add the URLs as shown below.
Step 8: Then give the URL in the text boxes, which zone you want to access the site and then click Save. Here I provided the Internet URL for public access.
Internet URL for public access