From: Phillip Susi <psusi@cfl.rr.com>
To: "Mikael Ståldal" <mikael.staldal@univits.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Possibility to adjust the only-root-can-bind-to-port-under-1024 limit
Date: Tue, 27 Nov 2007 17:42:50 -0500 [thread overview]
Message-ID: <474C9D6A.4000505@cfl.rr.com> (raw)
In-Reply-To: <474A975A.8020302@univits.com>
Mikael Ståldal wrote:
> And how do you protect ports >1024 from any user binding to them?
>
> Isn't the 1024 limit somewhat obsolete and arbitrary today?
No, it is not obsolete, yes, it always was arbitrary.
You prevent users from binding to those ports by only giving
applications that need to the capability, and only letting the users
that need to have execute permission to those programs.
next prev parent reply other threads:[~2007-11-27 22:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-20 10:14 Possibility to adjust the only-root-can-bind-to-port-under-1024 limit Mikael Ståldal
2007-11-20 14:53 ` Radoslaw Szkodzinski
[not found] ` <474306BF.4010207@univits.com>
2007-11-20 19:23 ` Radoslaw Szkodzinski
2007-11-26 9:52 ` Mikael Ståldal
2007-11-27 22:42 ` Phillip Susi [this message]
2007-11-30 9:15 ` Mikael Ståldal
[not found] <554627.38779.qm@web36601.mail.mud.yahoo.com>
2007-12-06 12:32 ` Mikael Ståldal
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