As I understand it, this is handled by the lower layers of RMI at
this point using IIOP-HTTP.  I would suggest joining the RMI-INTEREST
group on this same server, as you are more likely to get informed advice
on RMI.

Richard Heintze wrote:

My application needs to implement callbacks for web browsers behind
firewalls. The only way I know this can be done (without polling) is
to use RMI.

I remember reading in Java Servlet Programming (1st Edition) about
doing this on Port 80 with RMI -- there were foot notes referencing
some javatips on www.javaworld.com <http://www.javaworld.com> .
Unfortunately, I don't have my first edition any more!

I'm looking thru the second edition of Java Servlet Programming by
Jason Hunter and I cannot find find any references to using Port 80.
Does Java RMI with Applet/Servlet connections still use port 80?

If I install http://java.sun.com/products/plugin/  on IE, can I do RMI
call backs?

                   thanks,

                          Siegfried


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