Re: [guardian-dev] Improving enabled TLS Cipher Suites

13 Sep 2013

      ----- Forwarded message from coderman  -----

Date: Wed, 11 Sep 2013 15:13:09 -0700
From: coderman 
To: David Chiles 
Cc: Guardian Dev 
Subject: Re: [guardian-dev] Improving enabled TLS Cipher Suites

of all the suites, these look good (assuming 2k RSA keys)

TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256

all the rest do not provide forward secrecy, or use ECC with suspect
constants, or use weak ciphers.

i'm open to hearing arguments otherwise.
...
...
TLS_RSA_WITH_AES_256_CBC_SHA256
TLS_RSA_WITH_AES_128_CBC_SHA256
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
TLS_DH_anon_WITH_AES_128_CBC_SHA256
TLS_DH_anon_WITH_AES_256_CBC_SHA256
TLS_DH_anon_WITH_AES_128_CBC_SHA
TLS_DH_anon_WITH_AES_256_CBC_SHA
TLS_ECDH_anon_WITH_AES_128_CBC_SHA
TLS_DH_anon_WITH_3DES_EDE_CBC_SHA
TLS_ECDHE_ECDSA_WITH_NULL_SHA
TLS_ECDHE_RSA_WITH_NULL_SHA
TLS_RSA_WITH_NULL_MD5
SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA
TLS_RSA_WITH_NULL_SHA256
TLS_RSA_WITH_NULL_SHA
SSL_RSA_WITH_NULL_MD5
...
...
    "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA",
    "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
    "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA",
"TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA",
    "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA",
    "TLS_ECDH_ECDSA_WITH_RC4_128_SHA",
"TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
    "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA",
    "TLS_ECDHE_RSA_WITH_RC4_128_SHA",
"TLS_ECDH_RSA_WITH_AES_256_CBC_SHA",
    "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA",
    "TLS_ECDH_RSA_WITH_RC4_128_SHA",
"TLS_DHE_RSA_WITH_AES_256_CBC_SHA",
    "TLS_DHE_RSA_WITH_AES_128_CBC_SHA",
"TLS_DHE_DSS_WITH_AES_128_CBC_SHA",
    "TLS_DHE_DSS_WITH_AES_256_CBC_SHA",
"TLS_RSA_WITH_AES_256_CBC_SHA",
    "TLS_RSA_WITH_AES_128_CBC_SHA"
...

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