SMB SSL-VPN: Is it possible to access the SRA appliance using only HTTP
It is not possible to access the SRA using only HTTP protocol, it requires HTTPS. HTTP connections are immediately redirected to HTTPS.
If an administrator wishes for users to be able to use both HTTP (redirected to HTTPS) and HTTPS ports then relevant access rules has to be added on the firewall to allow both HTTP and HTTPS traffic to the SRA.
To enable the redirect for HTTP please check the relevant HTTP option under the interface