A BrowserSetting object used to read the highest and lowest versions of TLS supported by the browser.
The object has these properties:
minimum
The lowest TLS version supported by the browser. Valid values are TLSv1, TLSv1.1, TLSv1.2, TLSv1.3, and unknown.
maximum
The highest TLS version supported by the browser. Valid values are TLSv1, TLSv1.1, TLSv1.2, TLSv1.3, and unknown.
This is a read-only setting.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
tlsVersionRestrictionConfig |
No | No | 72 | ? | No | No | ? | ? | 79 | ? | No | ? |
Get the highest TLS version supported by the browser:
browser.browserSettings.tlsVersionRestrictionConfig.maximum
.get({})
.then((result) => {
console.log(`Highest TLS version supported: ${result}`);
});
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https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/browserSettings/tlsVersionRestrictionConfig