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1201: TLS max -> inactive

Lets be consistent, we don't make min active as it alters your FP, and the risk is super low (updated the telemetry stat: down from 2% to 0.5%). Default max is now 4 anyway (don't care about ESR - they should be using the v60 archive).
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Thorin-Oakenpants 2019-05-02 00:47:14 +00:00 committed by GitHub
parent c55ecbd8b2
commit 1ff14e31c0
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@ -698,12 +698,13 @@ user_pref("_user.js.parrot", "1200 syntax error: the parrot's a stiff!");
user_pref("security.ssl.require_safe_negotiation", true);
/* 1202: control TLS versions with min and max
* 1=TLS 1.0, 2=TLS 1.1, 3=TLS 1.2, 4=TLS 1.3
* [NOTE] Jul-2017: Telemetry indicates approx 2% of TLS web traffic uses 1.0 or 1.1
* [WARNING] Leave these at default, otherwise you alter your TLS fingerprint.
* Firefox telemetry (April 2019) shows only 0.5% of TLS web traffic uses 1.0 or 1.1
* [1] http://kb.mozillazine.org/Security.tls.version.*
* [2] https://www.ssl.com/how-to/turn-off-ssl-3-0-and-tls-1-0-in-your-browser/
* [2] archived: https://archive.is/hY2Mm ***/
// user_pref("security.tls.version.min", 3);
user_pref("security.tls.version.max", 4);
// user_pref("security.tls.version.max", 4);
/* 1203: disable SSL session tracking [FF36+]
* SSL Session IDs are unique, last up to 24hrs in Firefox, and can be used for tracking
* [SETUP-PERF] Relax this if you have FPI enabled (see 4000) *AND* you understand the