28 Apr
2018
28 Apr
'18
10:53 p.m.
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.
29 Apr
29 Apr
3:03 a.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
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Warner Losh