TCP servers in Python - two processes want to use same port

[Irmen de Jong]

Pif Paf wrote:
>>As for the specific question about ways to kill the app that is listening
>>on a socket already: I think if you don't know which app it is, there
>>isn't a clean way to find out. 
> 
> 
> Clearly the operating system knows, so there should be a way to find out.

The OS knows a lot more than your user space applications, and that
is a good thing, for security reasons.

--Irmen