Am 05.12.2017 um 01:19 schrieb Walter Parker:
Oh, I see, this not about the actual change (the protocol version). This
is about when using PHP on the client side, it does not support
all/enough of the modern cipher suite list.
Now that we have identified the problem in question, this should help
you when you create your RFC to fix issues with the cipher suite list.
FYI, the client and server send lists of ciphers that they support to
each other, the server does an AND and picks the highest cipher in on
the list. If the client sends only NULL, then NULL is the only valid
cipher. OpenSSL has default list which includes weak ciphers (such as
DES), so using the default list is bad idea
this is not true at all and that's why you use tools like
https://www.ssllabs.com/ssltest/ and SSLHonorCipherOrder as serveradmin
for many years if you care about TLS at all
also the default openssl cipherlist is not just random
as you can see it prefers the ECDSA AES-GCM followed by the RSA AES-GCM
and after the ECDHE it continues with other GCM ciphers na dthe DES/CBC
stuff is at a place in the list which never is selected these days
[harry@srv-rhsoft:~]$ openssl ciphers -v
ECDHE-ECDSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=ECDSA
Enc=AESGCM(256) Mac=AEAD
ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=ECDH Au=RSA Enc=AESGCM(256)
Mac=AEAD
ECDHE-ECDSA-CHACHA20-POLY1305 TLSv1.2 Kx=ECDH Au=ECDSA
Enc=CHACHA20/POLY1305(256) Mac=AEAD
ECDHE-RSA-CHACHA20-POLY1305 TLSv1.2 Kx=ECDH Au=RSA
Enc=CHACHA20/POLY1305(256) Mac=AEAD
ECDHE-ECDSA-AES256-CCM8 TLSv1.2 Kx=ECDH Au=ECDSA Enc=AESCCM8(256)
Mac=AEAD
ECDHE-ECDSA-AES256-CCM TLSv1.2 Kx=ECDH Au=ECDSA Enc=AESCCM(256)
Mac=AEAD
ECDHE-ECDSA-AES128-GCM-SHA256 TLSv1.2 Kx=ECDH Au=ECDSA
Enc=AESGCM(128) Mac=AEAD
ECDHE-RSA-AES128-GCM-SHA256 TLSv1.2 Kx=ECDH Au=RSA Enc=AESGCM(128)
Mac=AEAD
ECDHE-ECDSA-AES128-CCM8 TLSv1.2 Kx=ECDH Au=ECDSA Enc=AESCCM8(128)
Mac=AEAD
ECDHE-ECDSA-AES128-CCM TLSv1.2 Kx=ECDH Au=ECDSA Enc=AESCCM(128)
Mac=AEAD
ECDHE-ECDSA-AES256-SHA384 TLSv1.2 Kx=ECDH Au=ECDSA Enc=AES(256)
Mac=SHA384
ECDHE-RSA-AES256-SHA384 TLSv1.2 Kx=ECDH Au=RSA Enc=AES(256) Mac=SHA384
ECDHE-ECDSA-CAMELLIA256-SHA384 TLSv1.2 Kx=ECDH Au=ECDSA
Enc=Camellia(256) Mac=SHA384
ECDHE-RSA-CAMELLIA256-SHA384 TLSv1.2 Kx=ECDH Au=RSA
Enc=Camellia(256) Mac=SHA384
ECDHE-ECDSA-AES128-SHA256 TLSv1.2 Kx=ECDH Au=ECDSA Enc=AES(128)
Mac=SHA256
ECDHE-RSA-AES128-SHA256 TLSv1.2 Kx=ECDH Au=RSA Enc=AES(128)
Mac=SHA256
ECDHE-ECDSA-CAMELLIA128-SHA256 TLSv1.2 Kx=ECDH Au=ECDSA
Enc=Camellia(128) Mac=SHA256
ECDHE-RSA-CAMELLIA128-SHA256 TLSv1.2 Kx=ECDH Au=RSA
Enc=Camellia(128) Mac=SHA256
ECDHE-ECDSA-AES256-SHA TLSv1 Kx=ECDH Au=ECDSA Enc=AES(256)
Mac=SHA1
ECDHE-RSA-AES256-SHA TLSv1 Kx=ECDH Au=RSA Enc=AES(256) Mac=SHA1
ECDHE-ECDSA-AES128-SHA TLSv1 Kx=ECDH Au=ECDSA Enc=AES(128) Mac=SHA1
ECDHE-RSA-AES128-SHA TLSv1 Kx=ECDH Au=RSA Enc=AES(128) Mac=SHA1
ECDHE-ECDSA-DES-CBC3-SHA TLSv1 Kx=ECDH Au=ECDSA Enc=3DES(168) Mac=SHA1
ECDHE-RSA-DES-CBC3-SHA TLSv1 Kx=ECDH Au=RSA Enc=3DES(168) Mac=SHA1
AES256-GCM-SHA384 TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256) Mac=AEAD
AES256-CCM8 TLSv1.2 Kx=RSA Au=RSA Enc=AESCCM8(256)
Mac=AEAD
AES256-CCM TLSv1.2 Kx=RSA Au=RSA Enc=AESCCM(256) Mac=AEAD
AES128-GCM-SHA256 TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(128) Mac=AEAD
AES128-CCM8 TLSv1.2 Kx=RSA Au=RSA Enc=AESCCM8(128)
Mac=AEAD
AES128-CCM TLSv1.2 Kx=RSA Au=RSA Enc=AESCCM(128) Mac=AEAD
AES256-SHA256 TLSv1.2 Kx=RSA Au=RSA Enc=AES(256) Mac=SHA256
CAMELLIA256-SHA256 TLSv1.2 Kx=RSA Au=RSA Enc=Camellia(256)
Mac=SHA256
AES128-SHA256 TLSv1.2 Kx=RSA Au=RSA Enc=AES(128) Mac=SHA256
CAMELLIA128-SHA256 TLSv1.2 Kx=RSA Au=RSA Enc=Camellia(128)
Mac=SHA256
AES256-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(256) Mac=SHA1
CAMELLIA256-SHA SSLv3 Kx=RSA Au=RSA Enc=Camellia(256) Mac=SHA1
AES128-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(128) Mac=SHA1
CAMELLIA128-SHA SSLv3 Kx=RSA Au=RSA Enc=Camellia(128) Mac=SHA1
DES-CBC3-SHA SSLv3 Kx=RSA Au=RSA Enc=3DES(168) Mac=SHA1
DHE-DSS-AES256-GCM-SHA384 TLSv1.2 Kx=DH Au=DSS Enc=AESGCM(256)
Mac=AEAD
DHE-RSA-AES256-GCM-SHA384 TLSv1.2 Kx=DH Au=RSA Enc=AESGCM(256)
Mac=AEAD
DHE-RSA-CHACHA20-POLY1305 TLSv1.2 Kx=DH Au=RSA
Enc=CHACHA20/POLY1305(256) Mac=AEAD
DHE-RSA-AES256-CCM8 TLSv1.2 Kx=DH Au=RSA Enc=AESCCM8(256)
Mac=AEAD
DHE-RSA-AES256-CCM TLSv1.2 Kx=DH Au=RSA Enc=AESCCM(256) Mac=AEAD
DHE-DSS-AES128-GCM-SHA256 TLSv1.2 Kx=DH Au=DSS Enc=AESGCM(128)
Mac=AEAD
DHE-RSA-AES128-GCM-SHA256 TLSv1.2 Kx=DH Au=RSA Enc=AESGCM(128)
Mac=AEAD
DHE-RSA-AES128-CCM8 TLSv1.2 Kx=DH Au=RSA Enc=AESCCM8(128)
Mac=AEAD
DHE-RSA-AES128-CCM TLSv1.2 Kx=DH Au=RSA Enc=AESCCM(128) Mac=AEAD
DHE-RSA-AES256-SHA256 TLSv1.2 Kx=DH Au=RSA Enc=AES(256) Mac=SHA256
DHE-DSS-AES256-SHA256 TLSv1.2 Kx=DH Au=DSS Enc=AES(256) Mac=SHA256
DHE-RSA-CAMELLIA256-SHA256 TLSv1.2 Kx=DH Au=RSA Enc=Camellia(256)
Mac=SHA256
DHE-DSS-CAMELLIA256-SHA256 TLSv1.2 Kx=DH Au=DSS Enc=Camellia(256)
Mac=SHA256
DHE-RSA-AES128-SHA256 TLSv1.2 Kx=DH Au=RSA Enc=AES(128) Mac=SHA256
DHE-DSS-AES128-SHA256 TLSv1.2 Kx=DH Au=DSS Enc=AES(128) Mac=SHA256
DHE-RSA-CAMELLIA128-SHA256 TLSv1.2 Kx=DH Au=RSA Enc=Camellia(128)
Mac=SHA256
DHE-DSS-CAMELLIA128-SHA256 TLSv1.2 Kx=DH Au=DSS Enc=Camellia(128)
Mac=SHA256
DHE-RSA-AES256-SHA SSLv3 Kx=DH Au=RSA Enc=AES(256) Mac=SHA1
DHE-DSS-AES256-SHA SSLv3 Kx=DH Au=DSS Enc=AES(256) Mac=SHA1
DHE-RSA-CAMELLIA256-SHA SSLv3 Kx=DH Au=RSA Enc=Camellia(256) Mac=SHA1
DHE-DSS-CAMELLIA256-SHA SSLv3 Kx=DH Au=DSS Enc=Camellia(256) Mac=SHA1
DHE-RSA-AES128-SHA SSLv3 Kx=DH Au=RSA Enc=AES(128) Mac=SHA1
DHE-DSS-AES128-SHA SSLv3 Kx=DH Au=DSS Enc=AES(128) Mac=SHA1
DHE-RSA-CAMELLIA128-SHA SSLv3 Kx=DH Au=RSA Enc=Camellia(128) Mac=SHA1
DHE-DSS-CAMELLIA128-SHA SSLv3 Kx=DH Au=DSS Enc=Camellia(128) Mac=SHA1
DHE-RSA-DES-CBC3-SHA SSLv3 Kx=DH Au=RSA Enc=3DES(168) Mac=SHA1
DHE-DSS-DES-CBC3-SHA SSLv3 Kx=DH Au=DSS Enc=3DES(168) Mac=SHA1
PSK-AES256-GCM-SHA384 TLSv1.2 Kx=PSK Au=PSK Enc=AESGCM(256) Mac=AEAD
PSK-CHACHA20-POLY1305 TLSv1.2 Kx=PSK Au=PSK
Enc=CHACHA20/POLY1305(256) Mac=AEAD
PSK-AES256-CCM8 TLSv1.2 Kx=PSK Au=PSK Enc=AESCCM8(256)
Mac=AEAD
PSK-AES256-CCM TLSv1.2 Kx=PSK Au=PSK Enc=AESCCM(256) Mac=AEAD
PSK-AES128-GCM-SHA256 TLSv1.2 Kx=PSK Au=PSK Enc=AESGCM(128) Mac=AEAD
PSK-AES128-CCM8 TLSv1.2 Kx=PSK Au=PSK Enc=AESCCM8(128)
Mac=AEAD
PSK-AES128-CCM TLSv1.2 Kx=PSK Au=PSK Enc=AESCCM(128) Mac=AEAD
PSK-AES256-CBC-SHA384 TLSv1 Kx=PSK Au=PSK Enc=AES(256) Mac=SHA384
PSK-AES256-CBC-SHA SSLv3 Kx=PSK Au=PSK Enc=AES(256) Mac=SHA1
PSK-CAMELLIA256-SHA384 TLSv1 Kx=PSK Au=PSK Enc=Camellia(256)
Mac=SHA384
PSK-AES128-CBC-SHA256 TLSv1 Kx=PSK Au=PSK Enc=AES(128) Mac=SHA256
PSK-AES128-CBC-SHA SSLv3 Kx=PSK Au=PSK Enc=AES(128) Mac=SHA1
PSK-CAMELLIA128-SHA256 TLSv1 Kx=PSK Au=PSK Enc=Camellia(128)
Mac=SHA256
PSK-3DES-EDE-CBC-SHA SSLv3 Kx=PSK Au=PSK Enc=3DES(168) Mac=SHA1
DHE-PSK-AES256-GCM-SHA384 TLSv1.2 Kx=DHEPSK Au=PSK Enc=AESGCM(256)
Mac=AEAD
DHE-PSK-CHACHA20-POLY1305 TLSv1.2 Kx=DHEPSK Au=PSK
Enc=CHACHA20/POLY1305(256) Mac=AEAD
DHE-PSK-AES256-CCM8 TLSv1.2 Kx=DHEPSK Au=PSK Enc=AESCCM8(256)
Mac=AEAD
DHE-PSK-AES256-CCM TLSv1.2 Kx=DHEPSK Au=PSK Enc=AESCCM(256) Mac=AEAD
DHE-PSK-AES128-GCM-SHA256 TLSv1.2 Kx=DHEPSK Au=PSK Enc=AESGCM(128)
Mac=AEAD
DHE-PSK-AES128-CCM8 TLSv1.2 Kx=DHEPSK Au=PSK Enc=AESCCM8(128)
Mac=AEAD
DHE-PSK-AES128-CCM TLSv1.2 Kx=DHEPSK Au=PSK Enc=AESCCM(128) Mac=AEAD
DHE-PSK-AES256-CBC-SHA384 TLSv1 Kx=DHEPSK Au=PSK Enc=AES(256) Mac=SHA384
DHE-PSK-AES256-CBC-SHA SSLv3 Kx=DHEPSK Au=PSK Enc=AES(256) Mac=SHA1
DHE-PSK-CAMELLIA256-SHA384 TLSv1 Kx=DHEPSK Au=PSK Enc=Camellia(256)
Mac=SHA384
DHE-PSK-AES128-CBC-SHA256 TLSv1 Kx=DHEPSK Au=PSK Enc=AES(128) Mac=SHA256
DHE-PSK-AES128-CBC-SHA SSLv3 Kx=DHEPSK Au=PSK Enc=AES(128) Mac=SHA1
DHE-PSK-CAMELLIA128-SHA256 TLSv1 Kx=DHEPSK Au=PSK Enc=Camellia(128)
Mac=SHA256
DHE-PSK-3DES-EDE-CBC-SHA SSLv3 Kx=DHEPSK Au=PSK Enc=3DES(168) Mac=SHA1
ECDHE-PSK-CHACHA20-POLY1305 TLSv1.2 Kx=ECDHEPSK Au=PSK
Enc=CHACHA20/POLY1305(256) Mac=AEAD
ECDHE-PSK-AES256-CBC-SHA384 TLSv1 Kx=ECDHEPSK Au=PSK Enc=AES(256)
Mac=SHA384
ECDHE-PSK-AES256-CBC-SHA TLSv1 Kx=ECDHEPSK Au=PSK Enc=AES(256) Mac=SHA1
ECDHE-PSK-CAMELLIA256-SHA384 TLSv1 Kx=ECDHEPSK Au=PSK Enc=Camellia(256)
Mac=SHA384
ECDHE-PSK-AES128-CBC-SHA256 TLSv1 Kx=ECDHEPSK Au=PSK Enc=AES(128)
Mac=SHA256
ECDHE-PSK-AES128-CBC-SHA TLSv1 Kx=ECDHEPSK Au=PSK Enc=AES(128) Mac=SHA1
ECDHE-PSK-CAMELLIA128-SHA256 TLSv1 Kx=ECDHEPSK Au=PSK Enc=Camellia(128)
Mac=SHA256
ECDHE-PSK-3DES-EDE-CBC-SHA TLSv1 Kx=ECDHEPSK Au=PSK Enc=3DES(168) Mac=SHA1
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