IP Networking

Hello ;

This what i want to do :

I know that in the system call

Code:

#include <sys/socket.h>
int bind(int socket, const struct sockaddr *address,
       socklen_t address_len);

you can specify the local port for your socket, but im using a private library , and im sure that in that library they call bind with port "0" (so operative system return a random port between dynamic defined ports) ; i know cause the port assigned is always different.

I need that the system's call " bind (to bind a socket id to a local port) taking a port number that i can configure before call it.

i've been analysing the file "/etc/services" , there i can see numbers of differents ports associated to a System Service or Common accepted services. Always one port , not a range.

Can i define a range of ports (pool) to the call "bind -with 0-" to take a number from this pool??? If so, is this in relation with "/etc/services"


Thx everybody.

---------- Post updated at 03:54 PM ---------- Previous update was at 12:24 PM ----------

Like ever.....i always finished responding my own questions....

How to let kernel choose a port number in the range (1024,5000) in TCP socket programming - Stack Overflow

Thanks me