2017-07-26 47 views
0

我有一個使用LDAP來驗證和授權用戶的Java web應用程序(點燃實時xmpp服務器)。DHPublicKey不符合算法約束

最近,LDAP服務器將其密碼套件升級爲更安全的密碼。在我降級/jre/lib/security/java.security文件中允許的最小keySize之前,我無法讓我的應用程序與此LDAP服務器通信。

#jdk.tls.disabledAlgorithms=SSLv3, RC4, MD5withRSA, DH keySize < 2048 
jdk.tls.disabledAlgorithms=SSLv3, RC4, MD5withRSA, DH keySize < 1024 

我加了JCE 8在應用程序使用的JRE來更新密碼,新密碼出現了(我用this program和之前相比並後)

我能在webapp的管理控制檯的密碼 - 具體做法是:

> *  TLS_DHE_RSA_WITH_AES_256_CBC_SHA 

> *  TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 
> *  TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 

我用this program看到LDAP服務器用什麼密碼:

結果如下:

Testing server - upgraded endpoint 
Given this client's capabilities ([SSLv3, TLSv1, TLSv1.1, TLSv1.2]),    the server prefers protocol=TLSv1.2,  cipher=TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 

Testing server - non-upgraded endpoint 
Given this client's capabilities ([SSLv3, TLSv1, TLSv1.1, TLSv1.2]),  the server prefers protocol=TLSv1.2, cipher=TLS_RSA_WITH_AES_128_CBC_SHA 

,該應用可能跟老LDAP(在集羣中的未升級端點)具有以下java.security設置:

jdk.tls.disabledAlgorithms=SSLv3, RC4, MD5withRSA, DH keySize < 2048 

當終點是升級後(它被放在F5負載均衡器後面),我無法讓應用連接,直到降級最低keySize。 LDAP的證書鏈(新舊終端)沒有改變。

openssl s_client -connect newLDAP:636 

顯示了2048公鑰,因爲它的oldLDAP,唯一不同的是更強的密碼 - 也許TLS版本1比1.2取決於我試圖從OpenSSL的的s_client.First機器上的OpenSSL的版本。

該應用程序的xmpp網絡應用程序:5223和管理控制檯:9091也使用SSL,並且每個這些也都有2048位公鑰。

在應用程序的日誌文件中的錯誤是:

"DHPublicKey does not comply to algorithm constraints" 

上面我所提到的約束相信引用jdk.tls.disabledAlgorithms java.security文件屬性。

我很困惑,爲什麼顯然更安全的密碼現在需要一個較小的最小keySize爲應用程序和LDAP連接工作。

我必須錯過某些東西或做錯事。

下面是從應用程序的日誌一些堆棧跟蹤:

2017.07.25 18:54:32 WARN [Jetty-QTP-AdminConsole-98]: org.jivesoftware.admin.LoginLimitManager - Failed admin console login attempt by <myuserid> from <myIP> 
    2017.07.25 18:54:33 INFO [Server SR - 881162561]: org.jivesoftware.openfire.net.SocketReadingMode - STARTTLS negotiation (with: [email protected] socket: Socket[addr=/78.46.93.108,port=57984,localport=5269] session: [email protected]3cab status: 1 address: <xyz>.com/5c3gn5yu6p id: 5c3gn5yu6p) failed. 
    javax.net.ssl.SSLHandshakeException: DHPublicKey does not comply to algorithm constraints 
      at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1431) 
      at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:535) 
      at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:813) 
      at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781) 
      at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624) 
      at org.jivesoftware.openfire.net.TLSStreamHandler.doHandshake(TLSStreamHandler.jav a:241) 
      at org.jivesoftware.openfire.net.TLSStreamHandler.start(TLSStreamHandler.java:178) 
      at org.jivesoftware.openfire.net.SocketConnection.startTLS(SocketConnection.java:1 95) 
      at org.jivesoftware.openfire.net.SocketReadingMode.negotiateTLS(SocketReadingMode. java:87) 
      at org.jivesoftware.openfire.net.BlockingReadingMode.readStream(BlockingReadingMod e.java:138) 
      at org.jivesoftware.openfire.net.BlockingReadingMode.run(BlockingReadingMode.java: 76) 
      at org.jivesoftware.openfire.net.SocketReader.run(SocketReader.java:145) 
      at java.lang.Thread.run(Thread.java:745) 
    Caused by: javax.net.ssl.SSLHandshakeException: DHPublicKey does not comply to algorithm constraints 
      at sun.security.ssl.DHCrypt.checkConstraints(DHCrypt.java:237) 
      at sun.security.ssl.ServerHandshaker.clientKeyExchange(ServerHandshaker.java:1599) 
      at sun.security.ssl.ServerHandshaker.processMessage(ServerHandshaker.java:269) 
      at sun.security.ssl.Handshaker.processLoop(Handshaker.java:979) 
      at sun.security.ssl.Handshaker$1.run(Handshaker.java:919) 
      at sun.security.ssl.Handshaker$1.run(Handshaker.java:916) 
      at java.security.AccessController.doPrivileged(Native Method) 
      at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1369) 
      at org.jivesoftware.openfire.net.TLSStreamHandler.doTasks(TLSStreamHandler.java:34 4) 
      at org.jivesoftware.openfire.net.TLSStreamHandler.doHandshake(TLSStreamHandler.jav a:254) 
      ... 7 more 













    2017.07.25 18:54:36 INFO [Server SR - 1692736043]: org.jivesoftware.openfire.net.SocketReadingMode - STARTTLS negotiation (with: [email protected] socket: Socket[addr=/136.243.42.223,port=47704,localport=5269] session: org.jivesoftware.openfire.sessi[email protected] status: 1 address: <xyz>.com/5rljrbkums id: 5rljrbkums) failed. 
    javax.net.ssl.SSLHandshakeException: DHPublicKey does not comply to algorithm constraints 
      at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1431) 
      at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:535) 
      at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:813) 
      at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781) 
      at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624) 
      at org.jivesoftware.openfire.net.TLSStreamHandler.doHandshake(TLSStreamHandler.jav a:241) 
      at org.jivesoftware.openfire.net.TLSStreamHandler.start(TLSStreamHandler.java:178) 
      at org.jivesoftware.openfire.net.SocketConnection.startTLS(SocketConnection.java:1 95) 
      at org.jivesoftware.openfire.net.SocketReadingMode.negotiateTLS(SocketReadingMode. java:87) 
      at org.jivesoftware.openfire.net.BlockingReadingMode.readStream(BlockingReadingMod e.java:138) 
      at org.jivesoftware.openfire.net.BlockingReadingMode.run(BlockingReadingMode.java: 76) 
      at org.jivesoftware.openfire.net.SocketReader.run(SocketReader.java:145) 
      at java.lang.Thread.run(Thread.java:745) 
    Caused by: javax.net.ssl.SSLHandshakeException: DHPublicKey does not comply to algorithm constraints 
      at sun.security.ssl.DHCrypt.checkConstraints(DHCrypt.java:237) 
      at sun.security.ssl.ServerHandshaker.clientKeyExchange(ServerHandshaker.java:1599) 
      at sun.security.ssl.ServerHandshaker.processMessage(ServerHandshaker.java:269) 
      at sun.security.ssl.Handshaker.processLoop(Handshaker.java:979) 
      at sun.security.ssl.Handshaker$1.run(Handshaker.java:919) 
      at sun.security.ssl.Handshaker$1.run(Handshaker.java:916) 
      at java.security.AccessController.doPrivileged(Native Method) 
      at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1369) 
      at org.jivesoftware.openfire.net.TLSStreamHandler.doTasks(TLSStreamHandler.java:34 4) 
      at org.jivesoftware.openfire.net.TLSStreamHandler.doHandshake(TLSStreamHandler.jav a:254) 
      ... 7 more 





    2017.07.25 19:03:00 ERROR [Jetty-QTP-AdminConsole-56]: org.jivesoftware.openfire.ldap.LdapAuthProvider - Error connecting to LDAP server 
    javax.naming.CommunicationException: <myLDAP>:636 [Root exception is javax.net.ssl.SSLHandshakeException: DHPublicKey does not comply to algorithm constraints] 
      at com.sun.jndi.ldap.Connection.<init>(Connection.java:226) 
      at com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:137) 
      at com.sun.jndi.ldap.LdapClientFactory.createPooledConnection(LdapClientFactory.ja va:64) 
      at com.sun.jndi.ldap.pool.Connections.<init>(Connections.java:115) 
      at com.sun.jndi.ldap.pool.Pool.getPooledConnection(Pool.java:132) 
      at com.sun.jndi.ldap.LdapPoolManager.getLdapClient(LdapPoolManager.java:329) 
      at com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1606) 
      at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2746) 
      at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:319) 
      at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:192) 
      at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:210) 
      at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:153) 
      at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:83) 
      at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684) 
      at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313) 
      at javax.naming.InitialContext.init(InitialContext.java:244) 
      at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:154) 
      at org.jivesoftware.util.JiveInitialLdapContext.<init>(JiveInitialLdapContext.java :43) 
      at org.jivesoftware.openfire.ldap.LdapManager.getContext(LdapManager.java:568) 
      at org.jivesoftware.openfire.ldap.LdapManager.findUserDN(LdapManager.java:975) 
      at org.jivesoftware.openfire.ldap.LdapManager.findUserDN(LdapManager.java:928) 
      at org.jivesoftware.openfire.ldap.LdapAuthProvider.authenticate(LdapAuthProvider.j ava:126) 
      at org.jivesoftware.openfire.auth.AuthFactory.authenticate(AuthFactory.java:217) 
      at org.jivesoftware.openfire.admin.login_jsp._jspService(login_jsp.java:175) 
      at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) 
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) 
      at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812) 
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1669) 
      at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:39) 
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1652) 
      at org.jivesoftware.util.LocaleFilter.doFilter(LocaleFilter.java:76) 
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1652) 
      at org.jivesoftware.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingF ilter.java:53) 
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1652) 
      at org.jivesoftware.admin.PluginFilter.doFilter(PluginFilter.java:80) 
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1652) 
      at org.jivesoftware.admin.AuthCheckFilter.doFilter(AuthCheckFilter.java:162) 
      at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1652) 
      at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585) 
      at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) 
      at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577) 
      at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:22 3) 
      at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:11 27) 
      at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) 
      at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) 
      at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:106 1) 
      at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) 
      at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandler Collection.java:215) 
      at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.jav a:110) 
      at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) 
      at org.eclipse.jetty.server.Server.handle(Server.java:499) 
      at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311) 
      at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257) 
      at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544) 
      at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635) 
      at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555) 
      at java.lang.Thread.run(Thread.java:745) 
    Caused by: javax.net.ssl.SSLHandshakeException: DHPublicKey does not comply to algorithm constraints 
      at sun.security.ssl.DHCrypt.checkConstraints(DHCrypt.java:237) 
      at sun.security.ssl.ClientHandshaker.serverKeyExchange(ClientHandshaker.java:712) 
      at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:268) 
      at sun.security.ssl.Handshaker.processLoop(Handshaker.java:979) 
      at sun.security.ssl.Handshaker.process_record(Handshaker.java:914) 
      at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1062) 
      at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375) 
      at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403) 
      at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387) 
      at com.sun.jndi.ldap.Connection.createSocket(Connection.java:376) 
      at com.sun.jndi.ldap.Connection.<init>(Connection.java:203) 
      ... 56 more 

感謝任何見解, SM

+0

我不確定你在問什麼。服務器顯然是在使用2048位之前使用1024位DH組。抱怨服務器管理員。 –

+0

如何驗證服務器(我假定您的意思是LDAP)正在使用1024位組?我提到用openssl s_client和Java SSLTest程序連接到LDAP服務器。 Openssl顯示公鑰是2048位,SSLTest程序顯示TLS版本和密碼。 –

+0

帶有DHE密碼套件的「公鑰」有兩個公鑰,通常是RSA的長期身份驗證公鑰和每個連接都會改變的DH公鑰。我總是使用ssllabs.com上的服務器測試工具來獲得服務器SSL功能的良好配置。 –

回答

0

更多的背景:

我掃描的另一臺服務器(如Web服務器)的背後同樣的F5新的LDAP服務器也在後面,但是ssllabs可以訪問......並且看到了關鍵的交換評級是橙色的 - 例如支持1024個DH密鑰...因此網絡服務器被降級到B級。這可能是我需要降低java.security設置以連接到新的LDAP服務器的原因。

我在可訪問的Web服務器(未升級的F5後面)上做了相同的ssllabs掃描,舊的LDAP也很可能落後,密鑰交換是綠色的,但較弱的支持密碼和不安全的協議支持導致F評分。

我想,這也許可以解釋的事情,假設同一密碼套件跨越貴賓用於對個人F5s。

由於James K. Polk(在註釋)建議一個合理的解釋和SSL分析工具的建議。

0

要在我自己的問題跟進,我敢肯定,我證實,它是新的LDAP系統的臨時密鑰交換問題,因爲最初是由James K Polk建議!他的建議SSLyze也非常有幫助。

我在新舊LDAP系統上運行了以下命令,我認爲新系統只支持1024位密鑰交換,而舊系統甚至可能不會進行密鑰交換,這可能是爲什麼更強DH的keySize設置在JRE的java.security文件中工作(例如,它沒有被使用)。

python -m sslyze --tlsv1_2 --starttls=auto myLDAP:636 



AVAILABLE PLUGINS 
----------------- 

    OpenSslCipherSuitesPlugin 
    HeartbleedPlugin 
    OpenSslCcsInjectionPlugin 
    CertificateInfoPlugin 
    SessionResumptionPlugin 
    CompressionPlugin 
    SessionRenegotiationPlugin 
    FallbackScsvPlugin 
    HttpHeadersPlugin 



CHECKING HOST(S) AVAILABILITY 
----------------------------- 

    myLDAP:636      => 0.1.2.3 




SCAN RESULTS FOR myLDAP:636 - 0.1.2.3 
------------------------------------------------- 

* TLSV1_2 Cipher Suites: 
    Preferred: 
    TLS_DHE_RSA_WITH_AES_256_GCM_SHA384    DH-1024 bits 256 bits 
    Accepted: 
    TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384    ECDH-384 bits 256 bits 
    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384    ECDH-384 bits 256 bits 
    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA    ECDH-384 bits 256 bits 
    TLS_DHE_RSA_WITH_AES_256_CBC_SHA256    DH-1024 bits 256 bits 
    TLS_DHE_RSA_WITH_AES_256_CBC_SHA     DH-1024 bits 256 bits 
    TLS_DHE_RSA_WITH_AES_256_GCM_SHA384    DH-1024 bits 256 bits 
    TLS_RSA_WITH_AES_256_GCM_SHA384     -    256 bits 
    TLS_RSA_WITH_AES_256_CBC_SHA      -    256 bits 
    TLS_RSA_WITH_AES_256_CBC_SHA256     -    256 bits 
    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256    ECDH-384 bits 128 bits 
    TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256    ECDH-384 bits 128 bits 
    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA    ECDH-384 bits 128 bits 
    TLS_DHE_RSA_WITH_AES_128_GCM_SHA256    DH-1024 bits 128 bits 
    TLS_DHE_RSA_WITH_AES_128_CBC_SHA     DH-1024 bits 128 bits 
    TLS_DHE_RSA_WITH_AES_128_CBC_SHA256    DH-1024 bits 128 bits 
    TLS_RSA_WITH_AES_128_CBC_SHA256     -    128 bits 
    TLS_RSA_WITH_AES_128_GCM_SHA256     -    128 bits 
    TLS_RSA_WITH_AES_128_CBC_SHA      -    128 bits 
    TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA    ECDH-384 bits 112 bits 
    TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA     DH-1024 bits 112 bits 
    TLS_RSA_WITH_3DES_EDE_CBC_SHA      -    112 bits 
    Rejected: 
    <snipped> 


SCAN COMPLETED IN 0.16 S 
------------------------ 











python -m sslyze --tlsv1_2 --starttls=auto oldLDAP:636 



AVAILABLE PLUGINS 
----------------- 

    CompressionPlugin 
    OpenSslCipherSuitesPlugin 
    CertificateInfoPlugin 
    FallbackScsvPlugin 
    OpenSslCcsInjectionPlugin 
    SessionResumptionPlugin 
    SessionRenegotiationPlugin 
    HttpHeadersPlugin 
    HeartbleedPlugin 



CHECKING HOST(S) AVAILABILITY 
----------------------------- 

    oldLDAP:636      => 4.5.6.7 




SCAN RESULTS FOR oldLDAP:636 - 4.5.6.7 
------------------------------------------------------------- 

* TLSV1_2 Cipher Suites: 
    Preferred: 
    TLS_RSA_WITH_RC4_128_SHA       -    128 bits 
    Accepted: 
    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA    ECDH-256 bits 256 bits 
    TLS_RSA_WITH_AES_256_CBC_SHA      -    256 bits 
    TLS_RSA_WITH_AES_256_CBC_SHA256     -    256 bits 
    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA    ECDH-256 bits 128 bits 
    TLS_RSA_WITH_AES_128_CBC_SHA256     -    128 bits 
    TLS_RSA_WITH_AES_128_CBC_SHA      -    128 bits 
    TLS_RSA_WITH_RC4_128_SHA       -    128 bits 
    TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA    ECDH-256 bits 112 bits 
    TLS_RSA_WITH_3DES_EDE_CBC_SHA      -    112 bits 
    Rejected: 
    <snipped> 


SCAN COMPLETED IN 0.34 S 
------------------------