new file mode 100644
--- /dev/null
+++ b/ddos/server.c
@@ -0,0 +1,106 @@
+/**
+ * $Id: server.c,v 1.1.1.1 2008-04-28 17:32:53 mbroeker Exp $
+ * $Source: /development/c/demos/ddos/server.c,v $
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <signal.h>
+
+int set_limit (int);
+
+int main (int argc, char **argv)
+{
+    char message[81];
+    int server_socket;
+    int client_socket;
+    struct sockaddr_in sa;
+    struct sockaddr_in ca;
+    socklen_t size;
+    int len;
+    int status;
+    pid_t pid;
+    pid_t parent_pid;
+
+    server_socket = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    if (server_socket == -1) {
+        perror ("socket");
+        return EXIT_FAILURE;
+    }
+
+    sa.sin_family = AF_INET;
+    sa.sin_port = htons (4000);
+    sa.sin_addr.s_addr = INADDR_ANY;
+
+    size = sizeof (sa);
+
+    status = bind (server_socket, (struct sockaddr *)&sa, size);
+    if (status != 0) {
+        perror ("BIND");
+        return EXIT_FAILURE;
+    }
+
+    status = listen (server_socket, 10);
+    if (status != 0) {
+        perror ("LISTEN");
+        return EXIT_FAILURE;
+    }
+
+    int links = 0;
+
+    parent_pid = getpid ();
+
+    /*
+     * Child quits immediately, father mustn't wait
+     */
+    signal (SIGCHLD, SIG_IGN);
+
+    if (set_limit (500) != 0) {
+        printf ("Cannot limit the process limit\n");
+        return EXIT_FAILURE;
+    }
+
+    for (;;) {
+        size = sizeof (ca);
+        client_socket = accept (server_socket, (struct sockaddr *)&sa, (socklen_t *) & size);
+
+        printf ("PARENT PID = %d\n", parent_pid);
+
+        pid = fork ();
+        switch (pid) {
+        case 0:                /* Child */
+            close (server_socket);
+            if ((len = read (client_socket, message, 80)) == -1)
+                break;
+            message[len] = 0;
+
+            len = write (client_socket, "Please wait...\r\n", 17);
+            sleep (10);
+
+            printf ("DELETING LINK [%04d] %04d\n", getpid (), links--);
+            shutdown (client_socket, SHUT_RDWR);
+            close (client_socket);
+            return 1;
+        case -1:
+            perror ("Fork Error");
+            close (client_socket);
+            /*
+             * server is still alive and will continue
+             * * when resources are available
+             */
+            break;
+        default:               /* PID > 0 */
+            close (client_socket);
+            printf ("Starting LINK [%04d] %04d\n", pid, links++);
+        }
+    }
+    close (server_socket);
+    return 0;
+}