diff --git a/MV3500NetworkedGraphicsSyllabus2020JulySeptember.doc b/MV3500NetworkedGraphicsSyllabus2020JulySeptember.doc
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diff --git a/MV3500NetworkedGraphicsSyllabus2020JulySeptember.pdf b/MV3500NetworkedGraphicsSyllabus2020JulySeptember.pdf
index 5a36b537599a45692802ecd939d19e1580ae0b29..e2483d7ab1d80d78e44e6b3b5f80748ced084bff 100644
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diff --git a/examples/src/HttpServletExamples/HttpWebPageSource.java b/examples/src/HttpServletExamples/HttpWebPageSource.java
index 5996b569a40c622524d6b0b838096e13289598ca..c8777424a67e5e70c33f615e936fda8d09faefeb 100644
--- a/examples/src/HttpServletExamples/HttpWebPageSource.java
+++ b/examples/src/HttpServletExamples/HttpWebPageSource.java
@@ -27,9 +27,13 @@ public class HttpWebPageSource {
// We request an IP to connect to a web server running on default http port 80.
- String WEB_ADDRESS = "www.nps.edu";
- System.out.println("New socket WEB_ADDRESS=" + WEB_ADDRESS);
- Socket socket = new Socket(WEB_ADDRESS, 80); // compare alternative: https on port 443
+ String WEB_SERVER_ADDRESS = "www.nps.edu";
+ int WEB_SERVER_PORT_HTTP = 80;
+ int WEB_SERVER_PORT_HTTPS = 443; // does this work too?
+ System.out.println("New socket WEB_ADDRESS=" + WEB_SERVER_ADDRESS);
+
+ // this Java construct will work for HTTP but not HTTPS
+ Socket socket = new Socket(WEB_SERVER_ADDRESS, WEB_SERVER_PORT_HTTPS); // compare alternative: https on port 443
// we send a command to the web server, asking for what
// we want. Note that the format for the command is very
diff --git a/examples/src/HttpServletExamples/HttpWebPageSourceTerminalLog.txt b/examples/src/HttpServletExamples/HttpWebPageSourceTerminalLog.txt
index 896fb30c8a6329cb407929eec9a835ac16839a6d..9deeef11d9aede321dc7ed17c0795449fbb134d7 100644
--- a/examples/src/HttpServletExamples/HttpWebPageSourceTerminalLog.txt
+++ b/examples/src/HttpServletExamples/HttpWebPageSourceTerminalLog.txt
@@ -31,3 +31,34 @@ GET /index.html HTTP/1.0
15: </body></html>
HttpWebPageSource: response finished
BUILD SUCCESSFUL (total time: 2 seconds)
+
+now using https to port 443:
+
+run-single:
+HttpWebPageSource: create http connection and retrieve default page
+Reference: https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol
+Reference: https://tools.ietf.org/html/rfc7230
+Reference: https://en.wikipedia.org/wiki/CURL
+
+New socket WEB_ADDRESS=www.nps.edu
+GET /index.html HTTP/1.0
+
+1: HTTP/1.1 400 Bad Request
+2: Date: Mon, 17 Aug 2020 18:25:20 GMT
+3: Server: Apache
+4: Content-Length: 362
+5: Connection: close
+6: Content-Type: text/html; charset=iso-8859-1
+7:
+8: <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
+9: <html><head>
+10: <title>400 Bad Request</title>
+11: </head><body>
+12: <h1>Bad Request</h1>
+13: <p>Your browser sent a request that this server could not understand.<br />
+14: Reason: You're speaking plain HTTP to an SSL-enabled server port.<br />
+15: Instead use the HTTPS scheme to access this URL, please.<br />
+16: </p>
+17: </body></html>
+HttpWebPageSource: response finished
+BUILD SUCCESSFUL (total time: 2 seconds)
diff --git a/examples/src/HttpServletExamples/JavaServletArchitecture.png b/examples/src/HttpServletExamples/JavaServletArchitecture.png
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