Re: What is this? "john" under cron.d??? Debian Squeeze
- To: Jamie M <firstname.lastname@example.org>
- Cc: email@example.com
- Subject: Re: What is this? "john" under cron.d??? Debian Squeeze
- From: Javier Fernandez-Sanguino <firstname.lastname@example.org>
- Date: Mon, 12 Nov 2012 09:03:30 +0100
- Message-id: <CAB9B7UsvFspxGFgZm8Ln3yHxP=Qvqjr48CEuQ=M6zyXGWvnn6g@mail.gmail.com>
- In-reply-to: <50A0650B.email@example.com>
- References: <50A0650B.firstname.lastname@example.org>
On 12 November 2012 03:55, Jamie M <email@example.com> wrote:
> Just noticed an unfamiliar file in my Debian Squeeze: is called "john" found
> in cron.d.
> Does anyone know if this is a security risk, when all of a sudden I notice
> this file?
> Thank you and anything anyone can add is appreciated.
As you can see yourself if you search the package database (see )
the John password cracking program installs a 'john' task in
/etc/cron.d in order to test the system user's password strength every
There is nothing to worry about.
Next time you are worried about a file in your system, try using 'dpkg
-S <filename>' to find which package has installed it there.