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Chat Module Behind A Firewall  RSS feed

 
Jamshed Dastur
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Hi Pepl
I have already developed a chat module using tcp/sockets
However i believe these will not work behind a firewall.
Is there anyway of getting sockets to work throught a firewall ???
The other logic is to use servlets ? but for this my client has to keep making request to the servlet as, the sevlet cannot initiate any response ?
can anyone suggest another way or logic ??
please rather urgent
 
Mark Savory
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I don't know if this is a solution or not, but two users on either side of the firewall should be able to chat if the user within the firewall initiates the connection.
 
Jamshed Dastur
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thanks mark but these are tcp sockets ..i dont think the firewall will alow you to make connections
Could u tell me wher i could get more information on firewalls
 
It is sorta covered in the JavaRanch Style Guide.
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