Hi everybody,
we test currently the remote administration of our customer PCs from our
internal LAN and have still problems. Our security decided to use only one
port 5800 for both Java an native viewer. To be flexible we decided to use
first the Web-Interface of the realVNC Enterprise Version, anyway with one
port for java and native viewer we are able to change this anytime.
The communication starts on our internal clients, goes to the http-proxy and
firewall to the internet. With dyndns we find the router, that forwards the
port 5800 and come to the realVNC Server to administrate the customer PC.
Our security is the opinion that there is no need to install any firewall
rule for this connection because of the HTTP-Proxy.
The current result is that we are able to connect to the customer PC an see
the Website with realVNC Viewer Enterprise Edition 4.1.7 and load the Java
applet. After entering the connection details we receive no answer and get
the following exception:
java.net.NoRouteToHostException: Operation timed out
at java/net/PlainSocketImpl.socketConnect
at java/net/PlainSocketImpl.doConnect
at java/net/PlainSocketImpl.connectToAddress
at java/net/PlainSocketImpl.connect
at java/net/Socket.<init>
at java/net/Socket.<init>
at vncviewer/CConn.init
at vncviewer/VNCViewer.run
at java/lang/Thread.run
Means this that the realVNC Viewer is not able to use the HTTP-Proxy and we
need a additional firewall rule?
Any suggestions what we can change not to be bound to the firewall rule that
our security currently doesn't want?
Thanks for help!
Petra
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