{"id":438616,"date":"2021-04-14T23:22:23","date_gmt":"2021-04-14T15:22:23","guid":{"rendered":"http:\/\/4563.org\/?p=438616"},"modified":"2021-04-14T23:22:23","modified_gmt":"2021-04-14T15:22:23","slug":"%e7%bb%99%e8%af%b7%e6%b1%82%e5%9c%a8%e4%bb%a3%e7%a0%81%e9%87%8c%e5%8a%a0%e4%b8%8a%e4%ba%86-sni-%e4%bd%86%e6%98%af%e5%8f%91%e5%b8%83%e5%88%b0%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8a-https-%e8%af%b7","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=438616","title":{"rendered":"\u7ed9\u8bf7\u6c42\u5728\u4ee3\u7801\u91cc\u52a0\u4e0a\u4e86 SNI \u4f46\u662f\u53d1\u5e03\u5230\u670d\u52a1\u5668\u4e0a https \u8bf7\u6c42\u91cc\u6ca1\u6709\u5e26"},"content":{"rendered":"
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\u7ed9\u8bf7\u6c42\u5728\u4ee3\u7801\u91cc\u52a0\u4e0a\u4e86 SNI \u4f46\u662f\u53d1\u5e03\u5230\u670d\u52a1\u5668\u4e0a https \u8bf7\u6c42\u91cc\u6ca1\u6709\u5e26 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : redford42 <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\u670d\u52a1\u5668 JDK 1.8u_112
Linux version 3.10.0-1062.9.1.el7.x86_64 ([email protected]<\/span>.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC) )
\u670d\u52a1\u5668\u6709 NGINX\uff0c\u4f46\u662f\u4ec5\u9488\u5bf9\u8fdb\u6765\u7684\u8bf7\u6c42\uff0c\u5bf9 80 \u548c 443 \u7aef\u53e3\u505a\u4e86\u8f6c\u53d1\uff0c\u8f6c\u53d1\u5230\u670d\u52a1\u6240\u5728\u7684 81 \u7aef\u53e3
\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014 \u95ee\u9898\u73b0\u8c61\uff1a
\u8bf7\u6c42\u5ba2\u6237\u670d\u52a1\u5668 HTTPS \u63a5\u53e3\u51fa\u73b0 connection reset <\/p>\n

\u6392\u67e5\u7b2c\u4e00\u6b65\uff1a
\u5148\u6293\u5305\uff0c\u53d1\u73b0\u5ba2\u6237\u670d\u52a1\u5668\u5728\u6211\u7684\u670d\u52a1\u5668 Client Hello \u5b8c\u5c31 reset \u4e86\u6211\uff08\u7b2c\u4e00\u6b21\u63e1\u624b <\/p>\n

\u5728\u672c\u5730 windows \u73af\u5883\u5199\u4e86\u4e2a\u5c0f\u9879\u76ee\uff0c\u6a21\u62df\u4e00\u6a21\u4e00\u6837\u7684\u8bf7\u6c42\u4ee3\u7801
\u590d\u73b0\u95ee\u9898
\u6328\u4e2a\u6e05\u7406 https \u8bf7\u6c42\u7684\u4ee3\u7801\uff0c\u53d1\u73b0\u53bb\u6389\u91cd\u5199 hostVerifyName \u5c31\u53ef\u4ee5
\u7136\u540e\u4e0a\u7f51\u67e5\u53d1\u73b0\u662f JDK8 \u65e9\u671f\u7248\u672c\u7684\u4e00\u4e2a bug
https:\/\/bugs.openjdk.java.net\/browse\/JDK-8159569
\u6309\u7167\u5e16\u5b50
https:\/\/javabreaks.blogspot.com\/2015\/12\/java-ssl-handshake-with-server-name.html
\u91cd\u5199\u4e86 SSLSocketFactory
\u5728\u672c\u5730\u89e3\u51b3\u4e86\u8fd9\u4e2a connection reset \u7684\u95ee\u9898 <\/p>\n

\u63a5\u4e0b\u6765\u6253\u5305\u4ee3\u7801\u53d1\u5230\u670d\u52a1\u5668
\u8fd9\u91cc\u8981\u8bf4\u660e\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u9879\u76ee\u662f\u4e00\u4e2a\u8fed\u4ee3\u4e86\u516d\u5e74\u7684\u9879\u76ee\uff0c\u6ca1\u6709\u4e0a springboot\uff0c\u4e5f\u6ca1\u6709\u4e0a maven
\u6240\u4ee5\u6bcf\u6b21\u53d1\u5e03\u90fd\u662f\u66f4\u65b0\u7684 class <\/p>\n

\u66f4\u65b0\u5230\u670d\u52a1\u5668\u4e0a\u540e tcpdump \u6293\u5305\u53d1\u73b0
Client Hello \u7684 Extension \u91cc\u8fd8\u662f\u6ca1\u6709 server_name(SNI) <\/p>\n

\u8fd9\u91cc\u6709\u6000\u7591\u81ea\u5df1\u4ee3\u7801\u66f4\u65b0\u51fa\u9519\uff0c\u6ca1\u6709\u628a\u4ee3\u7801\u66f4\u65b0\u4e0a\u53bb
1.\u4e0b\u8f7d class \u4e0e\u672c\u5730\u8fdb\u884c\u5bf9\u6bd4\uff0c\u662f\u4e00\u6837\u7684
2.\u5c06\u670d\u52a1\u5668\u4e0a\u7684 tomcat \u548c class \u62f7\u8d1d\u4e0b\u6765\u5728\u672c\u5730\u73af\u5883\uff08 linux -\u300b win \uff09\u542f\u52a8\uff0c\u8bf7\u6c42\u5ba2\u6237\u670d\u52a1\u5668\u6293\u5305\u662f\u6709 SNI <\/p>\n

\u8fd9\u91cc\u5df2\u7ecf\u611f\u5230\u5f88\u90aa\u95e8\u4e86\uff0c\u89c9\u5f97\u662f\u4e0d\u662f linux \u670d\u52a1\u5668\u5bf9\u51fa\u53e3\u8bf7\u6c42\u6709\u4ec0\u4e48\u8fc7\u6ee4
\u5199\u4e86\u4e2a springboot \u5c0f\u7a0b\u5e8f\uff0c\u91cc\u9762\u7684 https \u8bf7\u6c42\u4ee3\u7801\u662f\u548c\u516c\u53f8\u9879\u76ee\u91cc\u7684\u4e00\u6837\u7684\uff08\u6709\u52a0\u4e0a SNI \u7684\u4ee3\u7801
\u6293\u5305\uff0c\u6709 SNI
\u5199\u4e86\u4e2a\u7eaf JAVA\uff0c\u53ea\u6709 main \u51fd\u6570\u90a3\u79cd
\u6293\u5305\u6709 SNI <\/p>\n

\u90a3\u8fd9\u5c31\u53ef\u4ee5\u6392\u9664 linux \u670d\u52a1\u5bf9\u51fa\u53e3\u8bf7\u6c42\u7684\u8fc7\u6ee4
\u4e0d\u8fc7\u6211\u4e5f\u4e0d\u6e05\u695a\u4f1a\u4e0d\u4f1a\u6709\u5355\u72ec\u9488\u5bf9\u67d0\u4e2a\u7a0b\u5e8f\u7684\u8fc7\u6ee4???\u53ef\u80fd\u6027\u4e0d\u5927
\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014 <\/p>\n

\u622a\u81f3\u8fd9\u91cc\u6211\u5df2\u7ecf\u5f88\u7edd\u671b\u4e86\uff0c\u611f\u89c9\u50cf\u662f\u9b3c\u6253\u5899\u3002
\u67e5\u4e86 JDK \u5b98\u65b9\u7684\u8bb0\u5f55\u8bf4\u662f 1.8u_152 \u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898
\u5148\u5728\u672c\u673a\u9a8c\u8bc1\uff0c\u6302\u4e0a 152 \u7684 JDK\uff0c\u53bb\u6389\u6dfb\u52a0 SNI \u7684\u4ee3\u7801\uff0c\u6293\u5305\u6709 SNI
\u6240\u4ee5\u8fde\u591c\u7ed9\u670d\u52a1\u5668\u7684\u9879\u76ee\u5347\u7ea7\u4e86 JDK
\u8fd9\u91cc\u6839\u636e Catalina \u91cc\u9762\u8bb0\u5f55\u53ef\u4ee5\u4fdd\u8bc1 JDK \u662f\u7528\u7684 152
\u4f46\u662f\u6293\u5305\uff0c\u83ab\u5f97\uff01\u8fd8\u662f\u83ab\u5f97\uff1f\uff1f\uff1f
\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014 \u4e0b\u9762\u662f\u6d89\u6848\u4ee3\u7801
\u670d\u52a1\u5668\u4e0a\u7684\u4ee3\u7801 <\/p>\n

public static JSONObject httpsRequest(String requestUrl, String requestMethod, String contentType, String outputStr) {     JSONObject jsonObject = null;     StringBuffer buffer = new StringBuffer();     HttpsURLConnection httpUrlConn = null;     OutputStream outputStream = null;     InputStream inputStream = null;     InputStreamReader inputStreamReader = null;     BufferedReader bufferedReader = null;     try {         URL url = new URL(requestUrl);         httpUrlConn = (HttpsURLConnection) url.openConnection();         if (contentType != null) {             httpUrlConn.setRequestProperty(\"Content-Type\", contentType);         }         TrustManager[] tm = {new TrustManager()};         SSLContext sslContext = SSLContext.getInstance(\"SSL\", \"SunJSSE\");         sslContext.getServerSessionContext().setSessionCacheSize(1000);         sslContext.init(null, tm, new SecureRandom());         \/\/            SSLSocketFactory ssf = sslContext.getSocketFactory();          httpUrlConn.setHostnameVerifier(new HostnameVerifier() {             @Override             public boolean verify(String hostname, SSLSession session) {                 return true;             }         });          SSLParameters sslParameters = new SSLParameters();         List sniHostNames = new ArrayList(1);         sniHostNames.add(new SNIHostName(url.getHost()));          sslParameters.setServerNames(sniHostNames);                  SSLSocketFactoryWrapper ssf = new SSLSocketFactoryWrapper(sslContext.getSocketFactory(), sslParameters);         httpUrlConn.setSSLSocketFactory(ssf);            httpUrlConn.setDoOutput(true);         httpUrlConn.setDoInput(true);         httpUrlConn.setUseCaches(false);          httpUrlConn.setRequestMethod(requestMethod);         httpUrlConn.setConnectTimeout(20000);         httpUrlConn.setReadTimeout(20000);         if (\"GET\".equalsIgnoreCase(requestMethod)) {             httpUrlConn.connect();         }          if (outputStr != null) {             outputStream = httpUrlConn.getOutputStream();             outputStream.write(outputStr.getBytes(\"UTF-8\"));         }          if ( httpUrlConn.getResponseCode() == HttpURLConnection.HTTP_OK || httpUrlConn.getResponseCode() == HttpURLConnection.HTTP_CREATED || httpUrlConn.getResponseCode() == HttpURLConnection.HTTP_ACCEPTED) {             inputStream = httpUrlConn.getInputStream();         } else {             inputStream = httpUrlConn.getErrorStream();         }          inputStreamReader = new InputStreamReader(inputStream, \"UTF-8\");         bufferedReader = new BufferedReader(inputStreamReader);          String str = null;         while ((str = bufferedReader.readLine()) != null) {             buffer.append(str);         }          try {             jsonObject = JSONObject.fromObject(buffer.toString());         } catch (Exception e1) {             try {                 jsonObject = JSONObject.fromObject(\"{id:\"\" + buffer.toString() + \"\"}\");             } catch (Exception e2) {                 log.error(\"\u8bf7\u6c42\u5f02\u5e38\uff1a\" + requestUrl, e2);                 return null;             }         }     } catch (Exception e) {         log.error(\"\u8bf7\u6c42\u5f02\u5e38\uff1a\" + requestUrl, e);         if (e.getMessage().contains(\"401 for URL\")) {             return JSONObject.fromObject(\"{id:\"401\"}\");         }         return null;     } finally {         closeConnection( httpUrlConn, outputStream, inputStream, inputStreamReader, bufferedReader);     }     return jsonObject; } <\/code><\/pre>\n
\u53ef\u4ee5\u770b\u51fa\u9664\u4e86 TrustManager \u548c SSLSocketFactoryWrapper \u5176\u4ed6\u7684\u90fd\u662f JDK \u81ea\u5e26\u7684\u7c7b
 TrustManager <\/p>\n
 public class TrustManager implements X509TrustManager {     public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {     }      public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {     }      public X509Certificate[] getAcceptedIssuers() {         return null;       } } <\/code><\/pre>\n
SSLSocketFactoryWrapper <\/p>\n
public class SSLSocketFactoryWrapper extends SSLSocketFactory {      private final SSLSocketFactory wrappedFactory;     private final SSLParameters sslParameters;      public SSLSocketFactoryWrapper(SSLSocketFactory factory, SSLParameters sslParameters) {         this.wrappedFactory = factory;         this.sslParameters = sslParameters;     }      @Override     public Socket createSocket(String host, int port) throws IOException, UnknownHostException {         SSLSocket socket = (SSLSocket) wrappedFactory.createSocket(host, port);         setParameters(socket);         return socket;     }      @Override     public Socket createSocket(String host, int port, InetAddress localHost, int localPort)             throws IOException, UnknownHostException {         SSLSocket socket = (SSLSocket) wrappedFactory.createSocket(host, port, localHost, localPort);         setParameters(socket);         return socket;     }       @Override     public Socket createSocket(InetAddress host, int port) throws IOException {         SSLSocket socket = (SSLSocket) wrappedFactory.createSocket(host, port);         setParameters(socket);         return socket;     }      @Override     public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {         SSLSocket socket = (SSLSocket) wrappedFactory.createSocket(address, port, localAddress, localPort);         setParameters(socket);         return socket;      }      @Override     public Socket createSocket() throws IOException {         SSLSocket socket = (SSLSocket) wrappedFactory.createSocket();         setParameters(socket);         return socket;     }      @Override     public String[] getDefaultCipherSuites() {         return wrappedFactory.getDefaultCipherSuites();     }      @Override     public String[] getSupportedCipherSuites() {         return wrappedFactory.getSupportedCipherSuites();     }      @Override     public Socket createSocket(Socket s, String host, int port, boolean autoClose) throws IOException {         SSLSocket socket = (SSLSocket) wrappedFactory.createSocket(s, host, port, autoClose);         setParameters(socket);         return socket;     }      private void setParameters(SSLSocket socket) {         socket.setSSLParameters(sslParameters);     }  } <\/code><\/pre>\n
\u6211\u7167\u6284\u7684\u5440\uff01\u6211\u7167\u7740\u5927\u4f6c\u6284\u7684\uff01\uff01\uff01<\/p>\n
\u4e0b\u9762\u662f Springboot \u548c\u90a3\u4e2a\u5355\u7c7b\u6d4b\u8bd5\u9879\u76ee\uff0c\u90fd\u653e\u5230\u516c\u53f8\u670d\u52a1\u5668\u4e0a\u6d4b\u8bd5\u4e86\uff0c\u6709 SNI<\/p>\n
@SpringBootApplication public class DemoApplication {       public static void main(String[] args) {         SpringApplication.run(DemoApplication.class, args);         tryConnect();     }      public static void tryConnect() {         String requestUrl = \"https:\/\/xhoa.xinhuamed.com.cn:443\/seeyon\/rest\/token\/wechat\";         String contentType = null;         String requestMethod = \"GET\";         String outputStr = null;         StringBuffer buffer = new StringBuffer();         HttpsURLConnection httpUrlConn = null;         OutputStream outputStream = null;         InputStream inputStream = null;         InputStreamReader inputStreamReader = null;         BufferedReader bufferedReader = null;         try {             URL url = new URL(requestUrl);             httpUrlConn = (HttpsURLConnection) url.openConnection();             if (contentType != null) {                 httpUrlConn.setRequestProperty(\"Content-Type\", contentType);             }             TrustManager[] tm = {new TrustManager()};             SSLContext sslContext = SSLContext.getInstance(\"SSL\", \"SunJSSE\");             sslContext.getServerSessionContext().setSessionCacheSize(1000);             sslContext.init(null, tm, new SecureRandom()); \/\/            SSLSocketFactory ssf = sslContext.getSocketFactory();              SSLParameters sslParameters = new SSLParameters();             List sniHostNames = new ArrayList(1);             sniHostNames.add(new SNIHostName(url.getHost()));             sslParameters.setServerNames(sniHostNames);             SSLSocketFactoryWrapper ssf = new SSLSocketFactoryWrapper(sslContext.getSocketFactory(), sslParameters);             httpUrlConn.setSSLSocketFactory(ssf);               httpUrlConn.setHostnameVerifier(new HostnameVerifier() {                 @Override                 public boolean verify(String hostname, SSLSession session) {                     return true;                 }             });              httpUrlConn.setDoOutput(true);             httpUrlConn.setDoInput(true);             httpUrlConn.setUseCaches(false);              httpUrlConn.setRequestMethod(requestMethod);             httpUrlConn.setConnectTimeout(20000);             httpUrlConn.setReadTimeout(20000);             if (\"GET\".equalsIgnoreCase(requestMethod)) {                 httpUrlConn.connect();             }              if (outputStr != null) {                 outputStream = httpUrlConn.getOutputStream();                 outputStream.write(outputStr.getBytes(\"UTF-8\"));             }              if ( httpUrlConn.getResponseCode() == HttpURLConnection.HTTP_OK || httpUrlConn.getResponseCode() == HttpURLConnection.HTTP_CREATED || httpUrlConn.getResponseCode() == HttpURLConnection.HTTP_ACCEPTED) {                 inputStream = httpUrlConn.getInputStream();             } else {                 inputStream = httpUrlConn.getErrorStream();             }              inputStreamReader = new InputStreamReader(inputStream, \"UTF-8\");             bufferedReader = new BufferedReader(inputStreamReader);              String str = null;             while ((str = bufferedReader.readLine()) != null) {                 buffer.append(str);             }              try {                 System.out.println(buffer.toString());             } catch (Exception e1) {                 System.out.println(e1);             }         } catch (Exception e) {              System.out.println(e);          } finally {             closeConnection( httpUrlConn, outputStream, inputStream, inputStreamReader, bufferedReader);         }     }      private static void closeConnection(HttpURLConnection httpUrlConn, OutputStream outputStream, InputStream inputStream, InputStreamReader inputStreamReader, BufferedReader bufferedReader) {         if (outputStream != null) {             try {                 outputStream.close();                 outputStream = null;             } catch (IOException e2) {             }         }         if (bufferedReader != null) {             try {                 bufferedReader.close();                 bufferedReader = null;             } catch (IOException e1) {             }         }         if (inputStreamReader != null) {             try {                 inputStreamReader.close();                 inputStreamReader = null;             } catch (IOException e1) {             }         }         if (inputStream != null) {             try {                 inputStream.close();                 inputStream = null;             } catch (IOException e) {             }         }         if ( httpUrlConn != null) {             httpUrlConn.disconnect();             httpUrlConn = null;         }     }   } <\/code><\/pre>\n
\"\u7ed9\u8bf7\u6c42\u5728\u4ee3\u7801\u91cc\u52a0\u4e0a\u4e86<\/p>\n
\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<\/p>\n
\u62dc\u6258\u5927\u5bb6\u53d1\u6563\u4e00\u4e0b\u601d\u8def\uff0c\u60f3\u60f3\u8fd8\u6709\u4ec0\u4e48\u65b9\u5f0f\u80fd\u6d4b\u8bd5\u4e00\u4e0b\uff0c\u4ee5\u53ca\u8fd8\u6709\u54ea\u91cc\u6709\u53ef\u80fd\u9650\u5236<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (12<\/span>)        <\/div>\n
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     \u8cc7\u6df1\u5927\u4f6c : swiftg <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u57df\u540d\u88ab\u5899\u6210\u5173\u952e\u8bcd\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : dorothyREN <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u8fc7\u5899\u7684\u8bdd connection reset \u4e00\u822c\u90fd\u662f\u88ab\u5899\u963b\u65ad\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : xarthur <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u662f\u4e0d\u662f\u8fc7\u5899\u4e86\uff1f SNI \u5df2\u7ecf\u88ab\u5168\u90e8\u963b\u65ad\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : redford42 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @swiftg @dorothyREN @xarthur
    \u6211\u670d\u52a1\u5668\u51fa\u53e3\u7684\u5899\u5417\uff1f
    \u622a\u56fe\u7684\u8fd9\u4e2a\u5305\u90fd\u662f\u5728\u516c\u53f8\u670d\u52a1\u5668\u4e0a tcpdump \u7684
    \u8fd9\u65f6\u5019\u6293\u5305\u5df2\u7ecf\u8fc7\u4e86\u516c\u53f8\u670d\u52a1\u5668\u7684\u9632\u706b\u5899\u4e86\u5417\uff1f\u4e0d\u592a\u660e\u767d
    \u5982\u679c\u6709\u5899\u963b\u65ad\u7684\u8bdd springboot \u8fd9\u4e2a\u5e94\u8be5\u4e5f\u4f1a\u6ca1\u6709 sni                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : redford42 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @swiftg @dorothyREN @xarthur
    \u5ba2\u6237\u670d\u52a1\u5668\u90a3\u8fb9\u662f\u6709\u9632\u706b\u5899\u7684\uff0c\u6709\u4e2a\u4e91\u76fe
    \u76f8\u5f53\u4e8e\u4e00\u4e2a\u4e91\u76fe\u662f\u4e00\u4e2a\u670d\u52a1\u5668\u8f6c\u53d1\u5916\u6765\u8bf7\u6c42\uff0c\u7136\u540e\u4f1a\u5bf9\u5e94\u591a\u4e2a\u865a\u62df\u673a\uff0c\u6240\u4ee5 https \u8bf7\u6c42\u5fc5\u987b\u5e26\u4e0a\u8fd9\u4e2a sni \u624d\u80fd\u5b9a\u4f4d\u8f6c\u53d1\u5230\u54ea\u4e00\u53f0                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : mytsing520 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u9650\u5236\u4e86\u5f00\u542f SNI \u7684\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u53d1\u8fc7\u6765\u6ca1\u6709\u643a\u5e26 SNI \u5b57\u6bb5\uff0c\u80af\u5b9a\u4f1a\u8fd4\u56de reset\uff0c\u8fd9\u548c\u5899\u4e0d\u5899\u7684\u6ca1\u5173\u7cfb\u3002
    \u5982\u679c\u4f60\u7684\u4e1a\u52a1\u524d\u9762\u6709 WAF \u6216 nginx\uff0c\u90a3\u4e48\u9700\u8981\u5728 WAF \u6216 nginx \u4e0a\u5f00\u542f SNI \u624d\u4f1a\u643a\u5e26\u4fe1\u606f\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : redford42 <\/span>  <\/div>\n
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                                                                 @mytsing520 \u6211\u662f\u8d1f\u8d23\u53d1\u8bf7\u6c42\u7684\u90a3\u4e2a\uff0c\u6211\u4e0d\u660e\u767d\u6211\u4ee3\u7801\u91cc\u52a0\u4e86 sni \u4e3a\u4ec0\u4e48\u6293\u5305\u53d1\u73b0\u53d1\u5f80\u5ba2\u6237\u7684\u8bf7\u6c42\u6ca1\u6709\u5e26\u4e0a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @redford42 \u6211\u5728 6 \u56de\u590d\u4e2d\u5df2\u7ecf\u8bf4\u660e\u4e86\u3002
    \u4f60\u5728 5 \u56de\u590d\u4e2d\u63cf\u8ff0\u8bf4\u6709\u4e2a\u4e91\u76fe\uff0c\u53ef\u4ee5\u548c\u4e91\u76fe\u6838\u5b9e\u4e00\u4e0b\u6709\u6ca1\u6709\u6253\u5f00 SNI \u8bc6\u522b\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : redford42 <\/span>  <\/div>\n
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                                                                 @mytsing520 
    \u5ba2\u6237\u670d\u52a1\u5668\u6253\u5f00\u4e86 sni \u8bc6\u522b
    \u73b0\u5728\u95ee\u9898\u662f\u6211 java \u4ee3\u7801\u52a0\u4e86 sni\uff0c\u4f46\u662f\u5728\u6211\u7684\u670d\u52a1\u5668\u4e0a\u6293\u5305\u53d1\u5f80\u5ba2\u6237\u7684\u8bf7\u6c42\u91cc\u5374\u6ca1\u6709\u5e26\u4e0a sni                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u8fd9 \u201c\u5ba2\u6237\u201d \u201c\u670d\u52a1\u5668\u201d \u6df7\u4e71\u5f97\u4e00\u6279<\/p>\n
    \u8fd9\u4e48\u8bf4\uff1a\u81ea\u5df1\u63a7\u5236\u7684\u670d\u52a1\u5668\u4e0a\u7684\u4e00\u4e2a HTTPS Client \uff08 Java \u5199\u7684\uff09\u6ca1\u80fd\u53d1\u51fa SNI                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : redford42 <\/span>  <\/div>\n
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                                                                 @no1xsyzy \u55ef\uff0c\u662f\u8fd9\u4e2a\u60c5\u51b5
    \u6253\u8ddf\u8e2a\u5305\u628a httpsUrlConnection \u91cc\u7684 SSLSocketFactory \u6253\u5370\u51fa\u6765\uff0cssl \u5bf9\u8c61\u7684 sslparameters \u662f\u6709 sni \u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : redford42 <\/span>  <\/div>\n
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                                                                 \u7834\u6848\u4e86
    \u542f\u52a8\u7684 java options \u91cc\u9762\u6709\u4e2a enable_sni=false
    \u6d51\u8eab\u8f7b\u677e                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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