TLS scan results for December 2014

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Not much changes since previous month, just continuation of established trends 
(migration towards TLSv1.2, AES-GCM, SHA-256 signatures, depreciation of RC4)

Detailed analysis on my blog:
https://securitypitfalls.wordpress.com/2015/01/19/december-2014-scan-results/

SSL/TLS survey of 447186 websites from Alexa's top 1 million
Stats only from connections that did provide valid certificates
(or anonymous DH from servers that do also have valid certificate installed)


Supported Ciphers         Count     Percent
-------------------------+---------+-------
3DES                      378348    84.6064
3DES Only                 409       0.0915
AES                       419934    93.9059
AES Only                  6307      1.4104
AES-CBC Only              4535      1.0141
AES-GCM                   237571    53.1258
AES-GCM Only              11        0.0025
CAMELLIA                  173896    38.8867
CAMELLIA Only             2         0.0004
CHACHA20                  13870     3.1016
Insecure                  93150     20.8303
RC4                       366313    81.9151
RC4 Only                  3873      0.8661
RC4 Preferred             67762     15.153
RC4 forced in TLS1.1+     42015     9.3954
x:FF 29 RC4 Only          527       0.1178
x:FF 29 RC4 Preferred     73724     16.4862
x:FF 29 incompatible      139       0.0311
y:DHE-RSA-SEED-SHA        83551     18.6837
y:IDEA-CBC-MD5            3036      0.6789
y:IDEA-CBC-SHA            67508     15.0962
y:SEED-SHA                84973     19.0017
z:ADH-AES128-GCM-SHA256   293       0.0655
z:ADH-AES128-SHA          992       0.2218
z:ADH-AES128-SHA256       241       0.0539
z:ADH-AES256-GCM-SHA384   300       0.0671
z:ADH-AES256-SHA          1007      0.2252
z:ADH-AES256-SHA256       241       0.0539
z:ADH-CAMELLIA128-SHA     420       0.0939
z:ADH-CAMELLIA256-SHA     430       0.0962
z:ADH-DES-CBC-SHA         407       0.091
z:ADH-DES-CBC3-SHA        1034      0.2312
z:ADH-RC4-MD5             826       0.1847
z:ADH-SEED-SHA            294       0.0657
z:AECDH-AES128-SHA        13690     3.0614
z:AECDH-AES256-SHA        13690     3.0614
z:AECDH-DES-CBC3-SHA      13651     3.0526
z:AECDH-NULL-SHA          27        0.006
z:AECDH-RC4-SHA           12738     2.8485
z:DES-CBC-MD5             19967     4.465
z:DES-CBC-SHA             54475     12.1817
z:DES-CBC3-MD5            35969     8.0434
z:ECDHE-RSA-NULL-SHA      32        0.0072
z:EDH-RSA-DES-CBC-SHA     46870     10.4811
z:EXP-ADH-DES-CBC-SHA     330       0.0738
z:EXP-ADH-RC4-MD5         334       0.0747
z:EXP-DES-CBC-SHA         40137     8.9755
z:EXP-EDH-RSA-DES-CBC-SHA 29161     6.521
z:EXP-RC2-CBC-MD5         45160     10.0987
z:EXP-RC4-MD5             48009     10.7358
z:EXP1024-DES-CBC-SHA     9943      2.2235
z:EXP1024-RC4-SHA         10098     2.2581
z:NULL-MD5                292       0.0653
z:NULL-SHA                296       0.0662
z:NULL-SHA256             9         0.002
z:RC2-CBC-MD5             20356     4.552
z:RC4-64-MD5              1712      0.3828

Cipher ordering           Count     Percent
-------------------------+---------+-------
Client side               145491    32.5348
Server side               301695    67.4652

Supported Handshakes      Count     Percent
-------------------------+---------+-------
ADH                       1117      0.2498
AECDH                     13714     3.0667
DHE                       223710    50.0262
ECDHE                     262693    58.7436
ECDHE and DHE             116323    26.0122
RSA                       420069    93.9361

Supported PFS             Count     Percent  PFS Percent
-------------------------+---------+--------+-----------
DH,1024bits               195986    43.8265  87.6072
DH,1536bits               1         0.0002   0.0004
DH,2048bits               25243     5.6449   11.2838
DH,2226bits               1         0.0002   0.0004
DH,2236bits               2         0.0004   0.0009
DH,2430bits               1         0.0002   0.0004
DH,3072bits               13        0.0029   0.0058
DH,3248bits               2         0.0004   0.0009
DH,4094bits               1         0.0002   0.0004
DH,4096bits               1546      0.3457   0.6911
DH,512bits                127       0.0284   0.0568
DH,768bits                818       0.1829   0.3657
DH,8192bits               1         0.0002   0.0004
ECDH,B-163,163bits        11        0.0025   0.0042
ECDH,B-571,570bits        627       0.1402   0.2387
ECDH,K-163,163bits        1         0.0002   0.0004
ECDH,P-224,224bits        49        0.011    0.0187
ECDH,P-256,256bits        257780    57.6449  98.1298
ECDH,P-384,384bits        759       0.1697   0.2889
ECDH,P-521,521bits        4352      0.9732   1.6567
Prefer DH,1024bits        101308    22.6546  45.2854
Prefer DH,1536bits        1         0.0002   0.0004
Prefer DH,2048bits        2733      0.6112   1.2217
Prefer DH,2236bits        1         0.0002   0.0004
Prefer DH,4096bits        102       0.0228   0.0456
Prefer DH,512bits         8         0.0018   0.0036
Prefer DH,768bits         455       0.1017   0.2034
Prefer ECDH,B-163,163bits 11        0.0025   0.0042
Prefer ECDH,B-571,570bits 441       0.0986   0.1679
Prefer ECDH,P-224,224bits 18        0.004    0.0069
Prefer ECDH,P-256,256bits 206995    46.2883  78.7973
Prefer ECDH,P-384,384bits 701       0.1568   0.2669
Prefer ECDH,P-521,521bits 3970      0.8878   1.5113
Prefer PFS                316744    70.8305  0
Support PFS               370080    82.7575  0

Supported ECC curves      Count     Percent 
-------------------------+---------+--------
brainpoolP256r1           21        0.0047   
brainpoolP384r1           21        0.0047   
brainpoolP512r1           21        0.0047   
prime192v1                638       0.1427   
prime256v1                262107    58.6125  
prime256v1 Only           224888    50.2896  
secp160k1                 612       0.1369   
secp160r1                 612       0.1369   
secp160r2                 611       0.1366   
secp192k1                 633       0.1416   
secp224k1                 670       0.1498   
secp224r1                 913       0.2042   
secp224r1 Only            1         0.0002   
secp256k1                 681       0.1523   
secp384r1                 37358     8.354    
secp384r1 Only            140       0.0313   
secp521r1                 9820      2.196    
secp521r1 Only            76        0.017    
sect163k1                 615       0.1375   
sect163k1 Only            2         0.0004   
sect163r1                 613       0.1371   
sect163r2                 623       0.1393   
sect163r2 Only            11        0.0025   
sect193r1                 612       0.1369   
sect193r2                 612       0.1369   
sect233k1                 660       0.1476   
sect233r1                 660       0.1476   
sect239k1                 660       0.1476   
sect283k1                 659       0.1474   
sect283r1                 659       0.1474   
sect409k1                 658       0.1471   
sect409r1                 658       0.1471   
sect571k1                 669       0.1496   
sect571r1                 669       0.1496   

Unsupported curve fallback     Count     Percent 
------------------------------+---------+--------
False                          53728     12.0147  
True                           172271    38.5233  
order-specific                 18        0.004    
unknown                        221169    49.4579  

ECC curve ordering        Count     Percent 
-------------------------+---------+--------
client                    651       0.1456   
inconclusive-noecc        11        0.0025   
server                    261689    58.5191  
unknown                   184835    41.3329  

TLSv1.2 PFS supported sigalgs  Count     Percent 
------------------------------+---------+--------
ECDSA-SHA1                     25418     5.684    
ECDSA-SHA224                   25440     5.6889   
ECDSA-SHA256                   25455     5.6923   
ECDSA-SHA384                   25468     5.6952   
ECDSA-SHA512                   25495     5.7012   
ECDSA-SHA512 Only              27        0.006    
RSA-MD5                        109093    24.3954  
RSA-MD5 Only                   4         0.0009   
RSA-SHA1                       235950    52.7633  
RSA-SHA1 Only                  37466     8.3782   
RSA-SHA224                     193902    43.3605  
RSA-SHA256                     200147    44.757   
RSA-SHA256 Only                1249      0.2793   
RSA-SHA384                     194348    43.4602  
RSA-SHA512                     194433    43.4792  
RSA-SHA512 Only                76        0.017    

TLSv1.2 PFS ordering           Count     Percent 
------------------------------+---------+--------
client                         177369    39.6634  
indeterminate                  7         0.0016   
intolerant                     984       0.22     
order-fallback                 7         0.0016   
server                         84987     19.0048  
unsupported                    40384     9.0307   

TLSv1.2 PFS sigalg fallback    Count     Percent 
------------------------------+---------+--------
ECDSA SHA1                     25401     5.6802   
ECDSA intolerant               119       0.0266   
ECDSA pfs-rsa-SHA512           1         0.0002   
RSA False                      107562    24.0531  
RSA SHA1                       111710    24.9807  
RSA intolerant                 17117     3.8277   
RSA pfs-ecdsa-SHA512           2         0.0004   
RSA soft-nopfs                 1576      0.3524   

Renegotiation             Count     Percent 
-------------------------+---------+--------
False                     10805     2.4162   
insecure                  27291     6.1028   
secure                    409090    91.4809  

Compression               Count     Percent 
-------------------------+---------+--------
1 (zlib compression)      18282     4.0882   
False                     10805     2.4162   
NONE                      418099    93.4955  

TLS session ticket hint   Count     Percent 
-------------------------+---------+--------
1                         2         0.0004   
1 only                    2         0.0004   
3                         2         0.0004   
3 only                    2         0.0004   
5                         1         0.0002   
5 only                    1         0.0002   
10                        5         0.0011   
10 only                   5         0.0011   
15                        8         0.0018   
15 only                   8         0.0018   
30                        7         0.0016   
30 only                   6         0.0013   
60                        65        0.0145   
60 only                   62        0.0139   
70                        1         0.0002   
75                        1         0.0002   
75 only                   1         0.0002   
100                       16        0.0036   
100 only                  16        0.0036   
120                       20        0.0045   
120 only                  20        0.0045   
128                       1         0.0002   
128 only                  1         0.0002   
180                       33        0.0074   
180 only                  33        0.0074   
240                       2         0.0004   
240 only                  2         0.0004   
256                       1         0.0002   
256 only                  1         0.0002   
300                       175517    39.2492  
300 only                  163896    36.6505  
400                       1         0.0002   
400 only                  1         0.0002   
420                       33        0.0074   
420 only                  27        0.006    
480                       10        0.0022   
480 only                  10        0.0022   
600                       14086     3.1499   
600 only                  13798     3.0855   
720                       1         0.0002   
720 only                  1         0.0002   
900                       496       0.1109   
900 only                  480       0.1073   
960                       3         0.0007   
960 only                  3         0.0007   
1000                      1         0.0002   
1000 only                 1         0.0002   
1200                      254       0.0568   
1200 only                 253       0.0566   
1500                      10        0.0022   
1500 only                 8         0.0018   
1800                      265       0.0593   
1800 only                 261       0.0584   
2100                      1         0.0002   
2100 only                 1         0.0002   
2400                      2         0.0004   
2400 only                 2         0.0004   
2520                      1         0.0002   
2520 only                 1         0.0002   
2700                      5         0.0011   
2700 only                 5         0.0011   
3000                      9         0.002    
3000 only                 9         0.002    
3600                      336       0.0751   
3600 only                 313       0.07     
4800                      1         0.0002   
4800 only                 1         0.0002   
5400                      2         0.0004   
6000                      3         0.0007   
6000 only                 3         0.0007   
7200                      11839     2.6474   
7200 only                 9113      2.0379   
10800                     17        0.0038   
10800 only                8         0.0018   
14400                     1145      0.256    
14400 only                1145      0.256    
18000                     2         0.0004   
18000 only                2         0.0004   
21600                     2996      0.67     
21600 only                2995      0.6697   
28800                     9         0.002    
28800 only                8         0.0018   
30000                     1         0.0002   
30000 only                1         0.0002   
36000                     394       0.0881   
36000 only                389       0.087    
43200                     2088      0.4669   
43200 only                2088      0.4669   
60000                     1         0.0002   
60000 only                1         0.0002   
64800                     41860     9.3608   
64800 only                41586     9.2995   
72000                     8         0.0018   
72000 only                8         0.0018   
86000                     36        0.0081   
86000 only                36        0.0081   
86400                     218       0.0487   
86400 only                218       0.0487   
100800                    13600     3.0412   
100800 only               13599     3.041    
129600                    13        0.0029   
129600 only               13        0.0029   
216000                    1         0.0002   
216000 only               1         0.0002   
604800                    1         0.0002   
604800 only               1         0.0002   
864000                    4         0.0009   
864000 only               4         0.0009   
2592000                   3         0.0007   
2592000 only              3         0.0007   
None                      196733    43.9936  
None only                 181749    40.6428  

Certificate sig alg     Count     Percent 
-------------------------+---------+--------
None                      14674     3.2814   
ecdsa-with-SHA256         25488     5.6996   
sha1WithRSAEncryption     280609    62.75    
sha256WithRSAEncryption   141161    31.5665  
sha512WithRSAEncryption   6         0.0013   

Certificate key size    Count     Percent 
-------------------------+---------+--------
ECDSA 256                 25516     5.7059   
ECDSA 384                 4         0.0009   
ECDSA 521                 1         0.0002   
RSA 1024                  1164      0.2603   
RSA 10240                 6         0.0013   
RSA 2028                  1         0.0002   
RSA 2047                  1         0.0002   
RSA 2048                  405216    90.6146  
RSA 2049                  3         0.0007   
RSA 2056                  6         0.0013   
RSA 2058                  2         0.0004   
RSA 2064                  1         0.0002   
RSA 2080                  2         0.0004   
RSA 2084                  11        0.0025   
RSA 2096                  1         0.0002   
RSA 2345                  1         0.0002   
RSA 2408                  2         0.0004   
RSA 2432                  7         0.0016   
RSA 2536                  1         0.0002   
RSA 2612                  1         0.0002   
RSA 3071                  1         0.0002   
RSA 3072                  67        0.015    
RSA 3102                  1         0.0002   
RSA 3248                  3         0.0007   
RSA 3600                  1         0.0002   
RSA 4048                  2         0.0004   
RSA 4056                  31        0.0069   
RSA 4086                  3         0.0007   
RSA 4092                  1         0.0002   
RSA 4096                  15176     3.3937   
RSA 4098                  1         0.0002   
RSA 8192                  3         0.0007   
RSA/ECDSA Dual Stack      38        0.0085

OCSP stapling             Count     Percent 
-------------------------+---------+--------
Supported                 77324     17.2912  
Unsupported               369862    82.7088  

Supported Protocols       Count     Percent
-------------------------+---------+-------
SSL2                      36284     8.1138
SSL2 Only                 91        0.0203
SSL3                      179062    40.042
SSL3 Only                 1745      0.3902
SSL3 or TLS1 Only         105359    23.5604
SSL3 or lower Only        1809      0.4045
TLS1                      444489    99.3969
TLS1 Only                 52837     11.8154
TLS1 or lower Only        138580    30.9893
TLS1.1                    293865    65.7143
TLS1.1 Only               27        0.006
TLS1.1 or up Only         523       0.117
TLS1.2                    303723    67.9187
TLS1.2 Only               390       0.0872
TLS1.2, 1.0 but not 1.1   12385     2.7695

Statistics from 470946 chains provided by 638990 hosts

Server provided chains    Count     Percent
-------------------------+---------+-------
complete                  410153    64.1877
incomplete                27383     4.2854
untrusted                 201454    31.5269

Trusted chain statistics
========================

Chain length              Count     Percent
-------------------------+---------+-------
2                         1649      0.3501
3                         431002    91.5183
4                         38270     8.1262
5                         25        0.0053

CA key size in chains     Count
-------------------------+---------
ECDSA 256                 25501     
ECDSA 384                 25501     
RSA 1024                  1364      
RSA 2045                  1         
RSA 2048                  879560    
RSA 4096                  46636     

Chains with CA key        Count     Percent
-------------------------+---------+-------
ECDSA 256                 25501     5.4148
ECDSA 384                 25501     5.4148
RSA 1024                  1360      0.2888
RSA 2045                  1         0.0002
RSA 2048                  444009    94.2802
RSA 4096                  46099     9.7886

Signature algorithm (ex. root) Count
------------------------------+---------
ecdsa-with-SHA384              25501     
sha1WithRSAEncryption          305263    
sha256WithRSAEncryption        107270    
sha384WithRSAEncryption        69568     
sha512WithRSAEncryption        15        

Eff. host cert chain LoS  Count     Percent
-------------------------+---------+-------
80                        305164    64.7981
112                       140279    29.7866
128                       25503     5.4153

Most popular root CAs                         Count     Percent
---------------------------------------------+---------+-------
(2c543cd1) GeoTrust Global CA                 110291    23.419
(157753a5) AddTrust External CA Root          77350     16.4244
(5ad8a5d6) GlobalSign Root CA                 47688     10.126
(b204d74a) VeriSign Class 3 Public Primary Ce 29428     6.2487
(cbf06781) Go Daddy Root Certificate Authorit 38568     8.1895
(2e4eed3c) thawte Primary Root CA             26893     5.7104
(eed8c118) COMODO ECC Certification Authority 25498     5.4142
(244b5494) DigiCert High Assurance EV Root CA 23587     5.0084
(f081611a) The Go Daddy Group, Inc.           13909     2.9534
(b13cc6df) UTN-USERFirst-Hardware             11545     2.4514
(653b494a) Baltimore CyberTrust Root          11478     2.4372
(ae8153b9) StartCom Certification Authority   9006      1.9123
(40547a79) COMODO Certification Authority     8167      1.7342
(f387163d) Starfield Technologies, Inc.       7454      1.5828
(3513523f) DigiCert Global Root CA            5105      1.084
(480720ec) GeoTrust Primary Certification Aut 4748      1.0082

Scan performed between 11th and 20th of December 2014.
-- 
Regards,
Hubert Kario
Quality Engineer, QE BaseOS Security team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 99/71, 612 45, Brno, Czech Republic
--
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