From: dave@horsfall.org (Dave Horsfall)
Subject: [TUHS] can't protect files from deletion v5,v6, or v7
Date: Thu, 25 May 2017 11:36:02 +1000 (EST) [thread overview]
Message-ID: <alpine.BSF.2.20.1705251132360.68852@aneurin.horsfall.org> (raw)
In-Reply-To: <CADxT5N6NWDJb-JMKk+PMbY9gQb2PsQpaKKO9XFoMuPQ===_sEA@mail.gmail.com>
On Wed, 24 May 2017, Mark Longridge wrote:
> Ok, I just did an experiment with the rm command and the results
> surprised me.
[...]
It's always been the case that you need write permission on the parent
directory; after all, it's what you are actually updating.
> Is there no way to completely protect files from being deleted?
Don't make the parent directory writable... And if your OS supports file
attributes I believe there's an "immutable" flag.
--
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."
prev parent reply other threads:[~2017-05-25 1:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-25 0:23 Mark Longridge
2017-05-25 0:28 ` Christian Groessler
2017-05-25 0:48 ` Dan Cross
2017-05-25 0:57 ` Ron Natalie
2017-05-25 1:36 ` Dave Horsfall [this message]
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