|
This can be a temporary problem, but also happens if the destination site is no longer operating or behind a firewall. Most staging and development servers are protected by firewalls. If the site is still operating raise the issue with your IT Department or ISP. OnDemand edition no longer supports HTTPS connections using the deprecated TLS 1.0 and 1.1
cryptographic protocols, and no longer supports weak ciphers.
Check that your server supports TLS 1.2 and strong ciphers using https://www.ssllabs.com/ssltest/ | | |