On Fri, 2003-07-18 at 15:15, Munir Nassar wrote: > On Fri, 18 Jul 2003, Clay Fandre wrote: > > > nmap? fping? ping in a shell loop? > > how about ping -b <broadcast> ? > > all hosts in that subnet should reply. Many systems don't respond to this anymore. Linux systems can be told to ignore broadcast pings with echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts And I've even noticed that some Windows systems don't respond to broadcast pings anymore. -- _ _ _ _ _ ___ _ _ _ ___ _ _ __ We have a equal opportunity / \/ \(_)| ' // ._\ / - \(_)/ ./| ' /(__ Calculus class -- it's \_||_/|_||_|_\\___/ \_-_/|_|\__\|_|_\ __) fully integrated. [ Mike Hicks | http://umn.edu/~hick0088/ | mailto:hick0088 at tc.umn.edu ] -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part Url : http://shadowknight.real-time.com/pipermail/tclug-list/attachments/20030718/5f4ce6f9/attachment.pgp