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73 lines
2.5 KiB
73 lines
2.5 KiB
This directory contains a patched Java applet VNC viewer that is SSL
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enabled.
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The patches in the *.patch files are relative to the source tarball:
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tightvnc-1.3dev7_javasrc.tar.gz
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currently (4/06) available here:
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http://prdownloads.sourceforge.net/vnc-tight/tightvnc-1.3dev7_javasrc.tar.gz?download
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It also includes some simple patches to:
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- fix richcursor colors
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- make the Java Applet cursor (not the cursor drawn to the canvas
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framebuffer) invisible when it is inside the canvas.
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- allow Tab (and some other) keystrokes to be sent to the vnc
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server instead of doing widget traversal.
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This SSL applet should work with any VNC viewer that has an SSL tunnel in
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front of it. It has been tested on x11vnc and using the stunnel tunnel
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to other VNC servers.
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By default this Vnc Viewer will only do SSL. To do unencrypted traffic
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see the "DisableSSL" applet parameter (e.g. set it to Yes in index.vnc).
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Proxies: they are a general problem with java socket applets (a socket
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connection does not go through the proxy). See the info in the proxy.vnc
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file for a workaround. It uses SignedVncViewer.jar which is simply
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a signed version of VncViewer.jar. The basic idea is the user clicks
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"Yes" to trust the applet and then it can connect directly to the proxy
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and issue a CONNECT request.
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This applet has been tested on versions 1.4.2 and 1.5.0 of the Sun
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Java plugin. It may not work on older releases or different vendor VM's.
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Send full Java Console output for failures.
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---------------------------------------------------------------
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Tips:
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When doing single-port proxy connections (e.g. both VNC and HTTPS
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thru port 5900) it helps to move through the 'do you trust this site'
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dialogs quickly. x11vnc has to wait to see if the traffic is VNC or
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HTTP and this can cause timeouts if you don't move thru them quickly.
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You may have to restart your browser completely if it gets into a
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weird state. For one case we saw the JVM requesting VncViewer.class
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even when no such file exists.
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---------------------------------------------------------------
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Extras:
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ssl_vncviewer (not Java):
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Wrapper script for native VNC viewer to connect to x11vnc in
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SSL mode. Script launches stunnel(8) and then connects to it
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via localhost which in turn is then redirected to x11vnc via an
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SSL tunnel. stunnel(8) must be installed and available in PATH.
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Running Java SSL VncViewer from the command line:
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From this directory:
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java -cp ./VncViewer.jar VncViewer HOST <thehost> PORT <theport>
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substitute <thehost> and <theport> with the actual values.
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