michel_ouba/FF_arkenfox_user.js
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FF_arkenfox_user.js
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update weak ciphers/tests etc, closes #931 (#963) 

- adds the new tests including the non-JS JA3

Co-authored-by: rusty-snake <41237666+rusty-snake@users.noreply.github.com>
Co-authored-by: earthlng <earthlng@users.noreply.github.com>
This commit is contained in:
Thorin-Oakenpants 2020-06-28 15:48:13 +00:00 committed by GitHub
parent aaf6cb33d7
commit 488a825626
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1 changed files with 17 additions and 8 deletions
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user.js
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@ -637,6 +637,8 @@ user_pref("browser.shell.shortcutFavicons", false);
/*** [SECTION 1200]: HTTPS (SSL/TLS / OCSP / CERTS / HPKP / CIPHERS)
Your cipher and other settings can be used in server side fingerprinting
[TEST] https://www.ssllabs.com/ssltest/viewMyClient.html
[TEST] https://browserleaks.com/ssl
[TEST] https://ja3er.com/
[1] https://www.securityartwork.es/2017/02/02/tls-client-fingerprinting-with-bro/
***/
user_pref("_user.js.parrot", "1200 syntax error: the parrot's a stiff!");
@ -744,22 +746,29 @@ user_pref("security.mixed_content.block_object_subrequest", true);
// user_pref("dom.security.https_only_mode", true); // [FF76+]
// user_pref("dom.security.https_only_mode.upgrade_local", true); // [FF77+]
/** CIPHERS [WARNING: do not meddle with your cipher suite: see the section 1200 intro] ***/
/* 1261: disable 3DES (effective key size < 128)
/** CIPHERS [WARNING: do not meddle with your cipher suite: see the section 1200 intro]
* These are all the ciphers still using SHA-1 and CBC which are weaker than the available alternatives. (see "Cipher Suites" in [1])
* Additionally some have other weaknesses like key sizes of 128 (or lower) [2] and/or no Perfect Forward Secrecy [3].
* [1] https://browserleaks.com/ssl
* [2] https://en.wikipedia.org/wiki/Key_size
* [3] https://en.wikipedia.org/wiki/Forward_secrecy
***/
/* 1261: disable 3DES (effective key size < 128 and no PFS)
* [1] https://en.wikipedia.org/wiki/3des#Security
* [2] https://en.wikipedia.org/wiki/Meet-in-the-middle_attack
* [3] https://www-archive.mozilla.org/projects/security/pki/nss/ssl/fips-ssl-ciphersuites.html ***/
// user_pref("security.ssl3.rsa_des_ede3_sha", false);
/* 1262: disable 128 bits ***/
// user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
/* 1263: disable DHE (Diffie-Hellman Key Exchange)
* [1] https://www.eff.org/deeplinks/2015/10/how-to-protect-yourself-from-nsa-attacks-1024-bit-DH ***/
// user_pref("security.ssl3.dhe_rsa_aes_128_sha", false); // [DEFAULT: false FF78+]
// user_pref("security.ssl3.dhe_rsa_aes_256_sha", false); // [DEFAULT: false FF78+]
/* 1264: disable the remaining non-modern cipher suites as of FF52 ***/
// user_pref("security.ssl3.rsa_aes_128_sha", false);
// user_pref("security.ssl3.rsa_aes_256_sha", false);
/* 1264: disable the remaining non-modern cipher suites as of FF78 (in order of preferred by FF) ***/
// user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false);
// user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
// user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false);
// user_pref("security.ssl3.rsa_aes_128_sha", false); // no PFS
// user_pref("security.ssl3.rsa_aes_256_sha", false); // no PFS
/** UI (User Interface) ***/
/* 1270: display warning on the padlock for "broken security" (if 1201 is false)