Re: How can I make the server to call back to client without being blocked by firewall.
From: Emil Naepflein (Emil.Naepflein@philosys.de)Date: 10/01/02
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From: Emil Naepflein <Emil.Naepflein@philosys.de> Date: Tue, 01 Oct 2002 07:30:23 +0200
On Tue, 01 Oct 2002 00:45:05 GMT, "jeff Lee" <jeff-lee@attbi.com> wrote:
> Since there are tons of commercial applications available,
> how can we pick a port which is guaranteed to be usable?
The best would be that the clients connect to the server and keep the
connection. The server can then send information back through this
channel. This also avoids problems with firewalls and open ports.
Emil
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