michel_ouba/FF_arkenfox_user.js
michel_ouba/FF_arkenfox_user.js
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explain 0-RTT

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Thorin-Oakenpants 2021-12-15 19:23:03 +00:00 committed by GitHub
parent 93f0ff89c8
commit bb56056a68
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 2 deletions
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user.js
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@ -481,7 +481,7 @@ user_pref("_user.js.parrot", "1200 syntax error: the parrot's a stiff!");
* safe from the attack if it disables renegotiations but the problem is that the browser can't
* know that. Setting this pref to true is the only way for the browser to ensure there will be
* no unsafe renegotiations on the channel between the browser and the server.
* [STATS] SSL Labs (July 2021) reports over 99% of sites have secure renegotiation [4]
* [STATS] SSL Labs (July 2021) reports over 99% of top sites have secure renegotiation [4]
* [1] https://wiki.mozilla.org/Security:Renegotiation
* [2] https://datatracker.ietf.org/doc/html/rfc5746
* [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
@ -490,8 +490,11 @@ user_pref("security.ssl.require_safe_negotiation", true);
/* 1203: reset TLS 1.0 and 1.1 downgrades i.e. session only ***/
user_pref("security.tls.version.enable-deprecated", false); // [DEFAULT: false]
/* 1206: disable TLS1.3 0-RTT (round-trip time) [FF51+]
* This data is not forward secret, as it is encrypted solely under keys derived using
* the offered PSK. There are no guarantees of non-replay between connections
* [1] https://github.com/tlswg/tls13-spec/issues/1001
* [2] https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/ ***/
* [2] https://www.rfc-editor.org/rfc/rfc9001.html#name-replay-attacks-with-0-rtt
* [3] https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/ ***/
user_pref("security.tls.enable_0rtt_data", false);
/** OCSP (Online Certificate Status Protocol)