Jeff D <[EMAIL PROTECTED]> writes: > if you want it to reply to broadcast pings: > echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
Ah, thanks. This not only causes replies to broadcast pings to be sent but also multicast to 224.0.0.1 (which is allhosts multicast and essentially the same as broadcast). > but, its turned off by default for security reasons, to avoid smurf > attacks, which will try to flood a host with icmp ping requests. When I looked yesterday, I've seen that file and I seem to remember it already contained 0. Today it was 1, so probably my memory on this is wrong. Also, I may have not looked that much at icmp_echo_ignore_broadcasts, since I was actually more after multicast. The ping to broadcast was just a additional test. urs -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
