Sockets, Shellcode, Porting, and Coding: Reverse Engineering Exploits and Tool Coding for Security Professionals

The Win32 listen function signature and required header files are:

#include <winsock2.h>

int listen(SOCKET s, int backlog);

The listen function is used to set a previously bound socket to a listening state, and

to set the connection backlog count.This function is typically used to set a previously

bound socket descriptor of type SOCK_STREAM into a listening state before calling

the accept function to receive new connections.

The listen function takes two arguments: the socket descriptor to be operated on and

an integer value indicating the number of connections to backlog before denying new

connections.The BSD sockets and Winsock versions of the listen ...