28 Apr
2018
28 Apr
'18
6:53 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.
28 Apr
28 Apr
11:03 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
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Warner Losh