| If true, browser will accept TLS 1.0. and TLS 1.1. (Firefox 86, Firefox 78.8)
| security.warn_submit_secure_to_insecure | boolean | true
| If false, no warning is shown when submitting a form from https to http.
| If true, browser will accept TLS 1.0. and TLS 1.1. (Firefox 86, Firefox 78.8)
| security.warn_submit_secure_to_insecure | boolean | true
| If false, no warning is shown when submitting a form from https to http.