Joseph Koshy 61a4defd54 Turn off replies to ICMP echo requests for broadcast and multicast
addresses by default.

Add a knob "icmp_bmcastecho" to "rc.network" to allow this
behaviour to be controlled from "rc.conf".

Document the controlling sysctl variable "net.inet.icmp.bmcastecho"
in sysctl(3).

Reviewed by: dg, jkh
Reminded on -hackers by: Steinar Haug <sthaug@nethelp.no>
1998-09-15 10:49:03 +00:00
..
1998-08-10 19:54:12 +00:00
1998-03-13 22:03:03 +00:00