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<TITLE>Creating an SSL Server Socket (Java Developers Almanac Example)
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    <B><A HREF="../javax.net.ssl/pkg.html">javax.net.ssl</A></B><font color="#666666" class="xsmall-font">
        &nbsp;[4 examples]
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  <h3>e500. Creating an SSL Server Socket</h3>

An SSL server socket requires certificates that it will send to
clients for authentication.  The certificates must be contained in a
keystore whose location must be explicitly specified (there is no
default).  Following the example we describe how to create and specify
a keystore for the SSL server socket to use.


<pre>    try {
        int port = <font color="#0066ff"><i>443</i></font>;
        ServerSocketFactory ssocketFactory = SSLServerSocketFactory.getDefault();
        ServerSocket ssocket = ssocketFactory.createServerSocket(port);
    
        // Listen for connections
        Socket socket = ssocket.accept();
    
        // Create streams to securely send and receive data to the client
        InputStream in = socket.getInputStream();
        OutputStream out = socket.getOutputStream();
    
        // Read from in and write to out...
    
        // Close the socket
        in.close();
        out.close();
    } catch(IOException e) {
    }
</pre>
Specify the keystore of certificates using the <code>javax.net.ssl.keyStore</code> system property:

<pre>    &gt; java -Djavax.net.ssl.keyStore=<font color="#0066ff"><i>mySrvKeystore</i></font> -Djavax.net.ssl.keyStorePassword=<font color="#0066ff"><i>123456</i></font> <font color="#0066ff"><i>MyServer</i></font>

</pre>
For testing purposes, you can create a keystore with a self-signed 
certificate, using the <code>keytool</code> command:

<pre>    &gt; keytool -keystore <font color="#0066ff"><i>mySrvKeystore</i></font> -keypasswd <font color="#0066ff"><i>123456</i></font> -genkey -keyalg RSA -alias <font color="#0066ff"><i>mycert</i></font>

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            &nbsp;<b>Related Examples</b></font></td>
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e499. <a class="eglink" href="Client.html?l=rel">
    Creating an SSL Client Socket
</a>
<br>

e501. <a class="eglink" href="GetCert.html?l=rel">
    Retrieving the Certification Path of an SSL Server
</a>
<br>

e502. <a class="eglink" href="TrustAll.html?l=rel">
    Disabling Certificate Validation in an HTTPS Connection
</a>
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