Re: PATCH[1/1] Linux Security Guide

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Correctional double-post! I mailed using the wrong subject, this is the
correct one.

What I feel is missing is perhaps not content, but structure or
presentation of content.

This guide seems focused on administrators working in SME or large
enterprises.
I guess that would be natural, if the base of the guide is the RHEL
Security Guide.. ( Thank you Karsten for pointing this out :-> )

As a new or a not very security interested Fedora user, I would say this
guide is much too big and complex to make proper use of.
It's like facing the worlds biggest all-you-can-eat buffet, when you to
the best of your knowledge haven't tasted any of the food on display.
And on second thought
your too lazy and uninterested of food to try and find the essential
good stuff.

What I'm looking for is perhaps a chapter for regular home users with
focus on usability rather than security.
People that like Fedora but who doesn't know or care much about
security.

"Security for Home Users"

I would volunteer to write such a chapter.

//M

tis 2009-01-06 klockan 03:00 -0500 skrev 
> Message: 5
> Date: Mon, 05 Jan 2009 23:24:36 -0500
> From: Eric Christensen <eric@xxxxxxxxxxxxxxxxxxx>
> Subject: Re: PATCH[1/1] Linux Security Guide
> To: For participants of the Documentation Project
>       <fedora-docs-list@xxxxxxxxxx>
> Message-ID: <4962DD04.80709@xxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> I agree, in part, with your overview.  A completely secure system is
one
> that is unplugged and that isn't exactly useful.  I would dare say
that
> you don't want the same level of security as I do or as anyone else
> might which is why it is important to give as much information as
> possible and let people pick and choose what they feel is important to
> their specific needs.
> 
> Case in point, admin A has a server in a cave that is physically
highly
> protected.  Disk encryption and securing single user mode might not be
> as important as securing the network connection.  So that admin might
> only care about the VPN, SSH, IPTables, and related chapters and not
so
> much on the LUKS Disk Encryption.
> 
> I feel that it is important to give admins and users as much
information
> as possible so they can make an educated decision on mitigating their
> systems down to an acceptable level of risk.  Users should know that
> their systems are NOT secure as soon as they install Fedora or any
other
> operating system.
> 
> If we are missing something you think should be addressed please feel
> free to develop a chapter.
> 
> Thanks,
> Eric Christensen
> E-Mail: sparks@xxxxxxxxxxxxxxxxx
> GPG Key: BD0C14C1
> 
> 
> 
> 
> 
> Magnus Glantz wrote:
> > This e-mail is about security and user friendliness, and how I think
this guide perhaps may be modified into something better.
> > This may also be me misunderstanding the purpose of this guide. Be
aware.
> > 
> > I agree that Government Security Agencies and Banks has more to
loose than a lot of other people :-)
> > 
> > Last night I couldn't get to sleep, due to my big mouth, so I
thought a bit more about the security guide.
> > I guess this guide aims to the users of Fedora. This may be a huuge
misconception on my part, but, I though
> > regular home users are the main users of Fedora. So.. this guide
should perhaps to be focused on that kind of usage and
> > that kind of knowledge levels.
> > 
> > My experience, working with security in highly secure
government/telco environments is that security
> > and ease of use/user friendliness is two most important main counter
parts.
> > 
> > On one hand, it's "pretty easy" to make something extremely secure,
but extremely secure systems is a total drag to be in
> > - because they are difficult to access, use and communicate to and
from, due to all restrictions and security related administration.
> > I believe the standard Fedora user never would want such a system.
In a system like that security has compromised to much user friendliness
for it to be fun.
> > If security isn't your definition of happy-happy joy-joy :-)
> > 
> > I had a thought that perhaps this guide should mainly not focus on
different things that makes a system secure as a bank.
> > Instead perhaps it should focus on covering techniques that allows
ones home computer to operate in a secure
> > _and_ user friendly manner.
> > 
> > Here's what I wrote on my phone last night, trying to kill demons of
guilt and shame spawned out of my nonconstructive mail yesterday.
> > I tried to sort them in order of positive impact on security weighed
against user friendliness.
> > 
> > 1) Keep your system up-to-date.
> > 1.1) Perhaps advocacy that users should prefer "Yum installed
software", as it automatically will get updated via Yum.
> > 2) Keep backups of your data.
> > 2.1) Some easy ways of backing up data. Burn on CD/DVD, put on
external storage, backup hard drive, etc. S/W recommendations.       
> > 3) Running a firewall.
> > 3.1) Using the shipped Fedora firewall setup tools, enabling the
firewall at install.
> > 4) Use SE-Linux
> > 5) Use common sense
> > 5.1 Do not accept unknown stuff/software from unknown people. If a
stranger walked up to you in real life and offered you an unidentifiable
object.. and you at the same time
> >     constantly heard and read stories of people accepting
unidentifiable objects from strangers - finding out the object was a
bomb / robotic miniature robber - YOU WOULD RUN AWAY!
> > 5) Do not run server software that you do not use (as web, mail,
ftp, nfs or even a ssh server (if it's a desktop))
> > 6) Advanced topics -  Here one may cover more "user unfriendly"
stuff for the paranoid government spy user types :-) 
> > 6.1 Encryption of different kinds (files, file systems, e-mail, etc)
> > 6.2 Advanced hardening techniques and tools.
> > 6.3 Advanced auditing techniques and tools
> > 6.4 Security policy and/or paranoid thinking
> > 
> > Some more links.
> > 
> > Organizations:
> > http://www.cert.org/archive/pdf/aia-handbook.pdf
> > http://www.first.org/resources/guides/
> > http://www.sans.org/reading_room/
> > 
> > //M
> > 
> > mn 2009-01-05 klockan 12:00 -0500 
> >> Message: 2
> >> Date: Sun, 04 Jan 2009 22:23:45 -0500
> >> From: Eric Christensen <eric@xxxxxxxxxxxxxxxxxxx>
> >> Subject: Re: PATCH[1/1] Linux Security Guide
> >> To: For participants of the Documentation Project
> >>    <fedora-docs-list@xxxxxxxxxx>
> >> Message-ID: <49617D41.5040205@xxxxxxxxxxxxxxxxxxx>
> >> Content-Type: text/plain; charset=ISO-8859-1
> >>
> > Good resources.  Thanks for sending them.  My reasoning for building
> > that part of the Security Guide based on US Government documents and
not
> > documents from Universities or commercial sources has a simple
> > explanation.  Government computers HAVE to be secure.  I've seen way
too
> > many universities and businesses run a half-way security mindset.
They
> > are too interested in the bottom line than a secure system even
though a
> > secure system will help the bottom line in the long run.
> > 
> > The only other industry that I would like to pull from is the
banking
> > industry.  They are generally notorious for their secure systems
(I'm
> > talking about the larger banks).  They could stand to loose billions
of
> > dollars if they are "broken into".  Of course most of the banks make
> > their documentation secret as to not tip off anyone with a possible
> > documented flaw.
> > 
> > I agree that we should be looking at multiple sources and that will
come
> > in time.  Please feel free to add information into the guide.  I'll
be
> > happy to read any patches that you, or anyone else, has to offer to
the
> > guide.  If you have any specific interests, please let me know!
> > 
> > Thanks,
> > Eric Christensen
> > E-Mail: sparks@xxxxxxxxxxxxxxxxx
> > GPG Key: BD0C14C1
> > 
> > 
> > 
> > Magnus Glantz wrote:
> >>>> I'm sorry if I came off a bit rude, it wasn't my intent.
> >>>> Also, I'm sorry for not being constructive, I'll try not and
e-mail during rush our in the future :-)
> >>>>
> >>>> About a more wide spread flora of security references. My thought
was that the more known universities around the world
> >>>> must have written kilometers of papers on Linux Security. Finding
freely available papers describing general security on
> >>>> Linux was easier said than done. I found some references during a
quick scan this evening.
> >>>>
> >>>> I guess it's a matter of trust. Of course the US Government and
the NSA has excellent and trustworthy security people,
> >>>> and that information in this subject is collaborative.. but at
least I feel more secure seeing that it's not only
> >>>> the US Government and secret service that approves and advocates
the security issues brought out in this security guide.
> >>>>
> >>>> Universities:
> >>>> http://www.princeton.edu/~essweb/linux/linuxsecurity.html
> >>>> http://www.yale.edu/its/secure-computing/
> >>>> http://www.yale.edu/its/security/sysadmin/server-guidelines.html
> >>>> http://www.yale.edu/its/security/network/unix.html
> >>>> http://www-uxsup.csx.cam.ac.uk/security/unix-box.html
> >>>>
> >>>> Other:
> >>>> http://www.tldp.org/HOWTO/Security-HOWTO/
> >>>> http://tldp.org/HOWTO/Security-Quickstart-HOWTO/
> >>>>
http://en.tldp.org/HOWTO/Secure-Programs-HOWTO/open-source-security.html
> >>>> http://www.puschitz.com/SecuringLinux.shtml
> >>>> http://en.wikipedia.org/wiki/Linux_Security_Modules
> >>>>
> >>>> Vendors:
> >>>>
http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/en-US/Security_Guide/
> >>>>
> >>>> I'll try and find some more / better references as soon as I have
some more free time.
> >>>>
> >>>> //M
> >>>>
> >>>>
> >>>> sn 2009-01-04 klockan 12:00 -0500 skrev Message: 8
> >>>> Date: Sun, 4 Jan 2009 09:44:55 -0500
> >>>> From: "Paul W. Frields" <stickster@xxxxxxxxx>
> >>>> Subject: Re: PATCH[1/1] Linux Security Guide
> >>>> To: fedora-docs-list@xxxxxxxxxx
> >>>> Message-ID: <20090104144455.GB18821@xxxxxxxxxxxxxxxxxxxxx>
> >>>> Content-Type: text/plain; charset="utf-8"
> >>>>
> >>>> On Sun, Jan 04, 2009 at 09:07:16PM +1000, Murray McAllister
wrote:
> >>>>> On Sun, Jan 4, 2009 at 7:20 PM, Magnus Glantz <mg@xxxxxxxxx>
wrote:
> >>>>>> My 5 as an non US citizen.
> >>>>>>
> >>>>>> I do not feel comfortable with a guide that seems almost
completely
> >>>>>> ripped off published US military/government documents.
> >>>>> I only looked at the English. I was not aware of the origins of
the
> >>>> content.
> >>>>> I will be more careful in future.
> >>>>>
> >>>>> Thanks! :-)
> >>>> "Ripped off" seems unnecessarily harsh to me, and incorrectly
implies
> >>>> that somehow the content was lifted without permission, when in
fact
> >>>> the references in question are freely available to everyone (USA
> >>>> domestic or foreign).  The principles embodied in most of those
> >>>> references are fairly universal and you'll find them echoed in
most
> >>>> high-level infosec materials.  In fact, some foreign governments
use
> >>>> these references themselves.
> >>>>
> >>>> The Security Guide continues to be a collaborative, participatory
> >>>> project, so anyone who is unhappy with the content -- or
completely
> >>>> satisfied, too, for that matter -- is free to get involved! :-)
You
> >>>> could start by providing equivalent or comparable non-US
references,
> >>>> for example.
> >>>>
> >>
> >>
> >>

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