chat program behind a router

Mark Talluto fuegox at mac.com
Sun Apr 7 04:22:01 EDT 2002


On Saturday, April 6, 2002, at 09:23  AM, Dar Scott wrote:

> Remember, in peer-to-peer the guy behind the firewall initiates the 
> connection.  (And on mc it should be TCP.)
>
>
> Even this might be blocked on some firewalls.  A couple ways to address 
> this comes to mind.
>
> First, you can used a standard chat protocol.  That makes it easier for 
> the person behind the firewall to explain what is needed to the 
> firewall guy.  Alternately, you describe exactly what is needed that 
> can be printed and handed to the firewall person.
>
> Second, you can look like an allowed protocol.  Many applications use 
> HTTP.  If there is also a proxy, the dialog must look a lot like HTTP.
>
> These don't seem to be the problem in your particular test case.
>
> Dar

Dar,

By TCP, do you mean:

accept connections on port 80 with message "connectiong"
vs
accept datagram connections on port 80 with message "connecting"

-Mark




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