On February 28, 2018, Authroize.Net will permanently disable TLS 1.0 and 1.1 connections. Please refer to our TLS FAQ for additional information.
https://support.authorize.net/s/article/Authorize-Net-Support-for-SSL-TLS-FAQ
02-08-2018 01:31 PM - last edited on 03-12-2018 01:29 AM by AdamT
