stacks interacting over LAN? (newbie)

[Björnke von Gierke]

On Dec 01 2004, at 11:02, sims wrote:

>>
>> The effort to build and contribute an open-source chat program (or 
>> programs) is fantastic, and credit should go to the correct people - 
>> so I'm very sorry about getting this wrong.
>
> I'm curious about what security concerns that a chat (or sockets in 
> general) might open up
> for the user and what (if any) precautions need to be taken.

This of course varies with the implementation, but talking about 
chatrev, I can assure you that there is no security risk whatsoever for 
the client. This is mainly due to the fact that the client never opens 
a port. However this is about to change, as we are incorporating file 
transfer (Which needs a accept connection at one end). Still, the 
opened port is occupied by rev and closed swiftly after finishing 
transfer, and because of that you won't get any malicious attempt 
trough.

>
> Also, when setting up a chat for someone who has a firewall (uses a 
> proxy) in place and
> the Rev  "set the HTTPProxy to host:portNumber"  is used, are other 
> security concerns
> presented?

no, why should it?

>
> My questions spring from an appalling lack of knowledge of sockets  :-/
>
> sims
> EuroRevCon  2006!

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