Re: [LIP] How does the forked child process handles the network connection

> Hello All,
>
> I have a question regarding end-end communication with tcp ports.
>
> Most of the services like http listens on privileged port (80). To handle
> multiple connections, the privileged process providing the service usually
> forks a (less privileged) child which in turn handles the connection.
>
> But the child still uses the same privileged port for the end-end
> connection. How does this works. Or the child uses a different port.
>

You need the privileges when you bind() to the privileged port. The child
doesn't need the previleges to accept() from the port. It has already
inherited a socket bound to the privileged port.

 -Arun



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