Christoph Kukulies wrote:
> > >Is there a way to test if some host is pinging me in intervals?
> > >I tried systat -netstat and did a ping -c 1 <host> and the
> > >connection didn't show up (would port 7 be used in that case)
> > Ping uses ICMP echo requests, so I don't know what you mean by "port 7".
> I meant /etc/services echo 7/tcp
> > You could use netstat -s and look at the ICMP echo requests/replies stat.
> > -DG
> > David Greenman
> > Core-team/Principal Architect, The FreeBSD Project
> --Chris Christoph P. U. Kukulies firstname.lastname@example.org
ICMP echo requests and "/etc/services echo 7/tcp" are
two different things. Echo (tcp/udp port 7) is used to echo
everything you type to it. If you telnet to port 7 on
a machine that allows it, it will echo everything you type
back to you. ICMP packets on the other hand don't have ports
associated with them, and echo requests/replies are just one
of their uses.
Mark O'Lear \ e-mail: Mark.Olear@Colorado.EDU
University of Colorado \ phone: (303) 492-3798
Telecomm. Svcs. (CB 313) \ fax: (303) 492-5105
Boulder, CO 80309 \