Iptables

Default Rules source code

void DefaultRulesInit (void)

{

FILE *fd;

fd = fopen ("/etc/DefaultRules.conf", "w+");

if (!fd)

return;

fprintf (fd, "SERVER_TCP_PORTS=");

fprintf (fd, "%d,", g_media.http_port);

fprintf (fd, "%d,", g_media.https_port);

fprintf (fd, "%d,", nvram_get_i("PORT_CONTROL"));

fprintf (fd, "%d,", nvram_get_i("PORT_STREAM"));

fprintf (fd, "%d\n", nvram_get_i("PORT_RTSP"));

fprintf (fd, "SERVER_UDP_PORTS=");

fprintf (fd, "%d,", nvram_get_i("PORT_SEARCH1"));

fprintf (fd, "%d\n", nvram_get_i("PORT_SEARCH2"));

fclose (fd);

my_system ("/usr/sbin/DefaultRules.sh", 0);

return;

}

Every PORT related URL changed will trigger this script, except PORT_HTTP,

HTTPS