Try Retrozilla

https://portal.mozz.us/gopher/gopher.somnolescent.net/9/w2kr...

with these NEW values in about:config set to true:

    security.ssl3.ecdhe_ecdsa_aes_128_gcm_sha256
    security.ssl3.ecdhe_rsa_aes_128_gcm_sha256

Also, set these to false:

    security.ssl3.ecdh_ecdsa_rc4_128_sha
    security.ssl3.ecdh_rsa_rc4_128_sha
    security.ssl3.ecdhe_ecdsa_rc4_128_sha
    security.ssl3.ecdhe_rsa_rc4_128_sha
    security.ssl3.rsa_rc4_128_md5
    security.ssl3.rsa_rc4_128_sha