28 Apr
2018
28 Apr
'18
9:03 p.m.
On Sat, Apr 28, 2018 at 10:53 AM, Ron Natalie <ron(a)ronnatalie.com> wrote:
Depending on the system PS may or may not need to be
setuid to work by
non-root users.
Ping needs to be setuid because it uses raw sockets which are restricted
(much like opening listens on low number ports) in many systems.
OSes could provide a controlled interface to ping, but there's not enough
of a win to do so.
Warner