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Article View: borland.public.cppbuilder.internet.socket
Article #5442

Re: Through FireWall

#5442
From: minoy
Date: Fri, 10 Sep 2004 06:23
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1732 bytes
"minoy" <none@none.com> wrote:
>
>Hi:
>   All,My Application that uses socket1.1 need to through the FireWall for transmitting a file.
>   So What kind of socket I must user:TCP,UDP?
>   I hasn't no ability to set the FireWall's option.
>   Any one can give Me a link detail about this subject?
>   Thx.

I has searched for this subject:

>From: "Remy Lebeau \(TeamB\)" 

>2) a client behind the firewall connects to an outside server, >with the
>firewall/router set up to allow outgoing connections.

a client behind the firewall connects to a outside server
I kown this,but then how the outside server connect to a client?

Is it this?
    when a client(A) behind the firewall(F) connects to a out server(S),the the F give the A a temporary address(IP:PPort),the outside server then use this temporary address given by firewall to respond the connection.
    Thx.
   
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