I understand that 0.0.0.0 is the local subnet broadcast address. Is that really the case? I've puzzled over using 127.0.0.2. What I really want to get is an

I understand that 0.0.0.0 is the local subnet broadcast address. Is that really the case? I've puzzled over using 127.0.0.2. What I really want to get is an RST immediately upon sending a SYN.