【发布时间】:2015-05-21 23:33:40
【问题描述】:
由于 ERR_SSL_VERSION_OR_CIPHER_MISMATCH,对我们在 Java 1.6.0_21 上运行 Tomcat 6.0.32 的内部网站的 HTTPS 访问最近停止工作。这些网站使用自签名证书:
Keystore type: JKS
Keystore provider: SUN
Your keystore contains 1 entry
Alias name: aaa
Creation date: Oct 1, 2013
Entry type: PrivateKeyEntry
Certificate chain length: 1
Certificate[1]:
Owner: CN=aa, OU=bb, O=cc, L=dd, ST=Ontario, C=CA
Issuer: CN=aa, OU=bb, O=cc, L=dd, ST=Ontario, C=CA
Serial number: 524b2c29
Valid from: Tue Oct 01 16:10:17 EDT 2013 until: Sun Jun 26 16:10:17 EDT 2016
Certificate fingerprints:
MD5: 93:C4:69:A9:E2:0B:5A:3E:CE:08:E1:3C:1A:06:22:6A
SHA1: 12:EA:64:29:F6:82:65:2C:0A:28:24:DA:35:B6:F1:29:1E:43:87:D9
Signature algorithm name: SHA1withDSA
Version: 3
*******************************************
*******************************************
我对这些服务器进行了 nmap 扫描,发现 Tomcat 有以下可用的密码套件:
PORT STATE SERVICE
8443/tcp open https-alt
| ssl-cert: Subject: commonName=<some_CN>
| Issuer: commonName=<some_CN>
| Public Key type: dsa
| Public Key bits: 1024
| Not valid before: 2013-10-01T19:10:17+00:00
| Not valid after: 2016-06-26T19:10:17+00:00
| MD5: 93c4 69a9 e20b 5a3e ce08 e13c 1a06 226a
|_SHA-1: 12ea 6429 f682 652c 0a28 24da 35b6 f129 1e43 87d9
| ssl-enum-ciphers:
| SSLv3:
| ciphers:
| TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA - weak
| TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA - strong
| TLS_DHE_DSS_WITH_AES_128_CBC_SHA - strong
| TLS_DHE_DSS_WITH_DES_CBC_SHA - weak
| compressors:
| NULL
| TLSv1.0:
| ciphers:
| TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA - weak
| TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA - strong
| TLS_DHE_DSS_WITH_AES_128_CBC_SHA - strong
| TLS_DHE_DSS_WITH_DES_CBC_SHA - weak
| compressors:
| NULL
|_ least strength: weak
Qualys SSL 客户端测试显示我的 IE11 浏览器支持 26 个密码套件。其中之一是:
TLS_DHE_DSS_WITH_AES_128_CBC_SHA (0x32) Forward Secrecy(see footnote) 128
footnote: Cannot be used for Forward Secrecy because they require DSA keys, which are effectively limited to 1024 bits.
此密码套件是否与 Tomcat 上的“TLS_DHE_DSS_WITH_AES_128_CBC_SHA - strong”匹配?我认为前向保密脚注应该无关紧要(它不是强制性的)。
关于协议,我的 IE 配置支持 SSL3.0 以及 TLS1.0,1.1,1.2。
ERR_SSL_VERSION_OR_CIPHER_MISMATCH 似乎没有任何理由。 有什么想法吗?
【问题讨论】:
标签: tomcat encryption cryptography public-key-encryption