Re: dangerously dedicated physical disks.

2013-09-23 Thread Polytropon
On Sun, 22 Sep 2013 08:25:24 -0600 (MDT), Warren Block wrote:
 It's dangerous because that partitioning format is rare outside of 
 BSD-based systems.  Disk utilities may not recognize it, and could
 damage it.

I think this is a good characterization of the term currently
used. In historical context this layout would deserve the name
traditional, as non-PC BSD installations did not _require_ a
MBR enclosing to be present - this is a concept introduced by
the PC world. Most PCs still work with dedicated perfectly
well if desired (even though there is no real reason to use
that layout approach).

I try to avoid the part dangerously because the danger is
only significant in non-BSD land, like some obscure systems
that could try to repair something and cause data loss,
which is well known and feared... :-)



 Most of the rest of the world used MBR partitioning, which allowed up to 
 four MBR partitions (called slices by FreeBSD) per disk.

Those are, precisely called DOS primary partitions (in difference
to DOS extended partitions which somehow behave like slices in
BSD terminology). :-)



 Yes, one partition format inside another.  It only seems complicated 
 because it is.

Which makes it useful and flexible. :-)



 With GPT, there is no reason to use BSD disklabels at all.

And most modern computers do not have any problem booting it.
The old MBR approach (as well as dedicated) will probably only
be needed in niche applications and exceptions. You can have
all the advantages of being easy stuff known from dedicated
layout by using the GPT tools, plus you gain more compatibility
if this matters.



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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What is Negative permissions

2013-09-23 Thread Leslie Jensen


In the daily security run I see the following:



Checking setuid files and devices:

Checking negative group permissions:
3791965 -rwxr--r-x  1 admin  wheel  172 Mar  9 10:59:55 2011
 /usr/home/admin/bin/noip_update.sh


Is it just a reminder that the group has no x permissions or should I 
give those permissions?


Thanks

/Leslie
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Re: What is Negative permissions

2013-09-23 Thread Frank Leonhardt

On 23/09/2013 11:54, Leslie Jensen wrote:


In the daily security run I see the following:



Checking setuid files and devices:

Checking negative group permissions:
3791965 -rwxr--r-x  1 admin  wheel  172 Mar  9 10:59:55 2011
 /usr/home/admin/bin/noip_update.sh


Is it just a reminder that the group has no x permissions or should I 
give those permissions?


Yes, basically. It's obviously very odd to give everyone OTHER than 
:wheel members permission to run it. What about user root in group wheel 
- is root allowed to run it? Actually, yes, even though you might think 
you've forbidden members of wheel.


Regards, Frank.

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vBSDcon Registrations Only Open For 30 More Days!

2013-09-23 Thread Miller, Vincent (Rick)
Hi all,

There are only 30 more days left to register for Verisign's vBSDcon.  Online 
registrations will become unavailable October 23, 2013.  For those planning to 
attend, we encourage you to register soon at http://www.vbsdcon.com/.  You will 
not want to miss this event.  There will presentations by several well seasoned 
technologists such as Baptiste Darroussin on the subject of PkgNG, a new 
packaging system for FreeBSD based system such as FreeBSD, PC-BSD, and 
Dragonfly BSD.

Baptiste has a background in UNIX Systems Engineering and is involved in 
multiple facets of the FreeBSD project including being a Ports committer for 3 
years and a src committer for 2 years. His involvement also includes being a 
member of the Port management team. PkgNG, a new package management framework 
for FreeBSD, is one of Baptiste's primary roles where he is a lead developer.

In addition to plenary speakers, vBSDcon will also feature after conference 
hours Hacker Lounges and Doc Sprints.  These sessions will be available for the 
entire BSD communities to include NetBSD, OpenBSD, FreeBSD, and other BSD based 
distributions to have a collaborative space to work and communicate with one 
another.  Complimentary wireless internet access will also be available.

We look forward to seeing you all there for this opportunity to come together 
as a community.  Remember, online registrations will close on October 23, 2013. 
 Register for vBSDcon at http://www.vbsdcon.com/.

--
Vincent (Rick) Miller
Systems Engineer
vmil...@verisign.com

t: 703.948.4395   m: 703.581.3068
12061 Bluemont Way, Reston, VA  20190

http://www.vbsdcon.com/
http://www.verisigninc.com/


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Re: dangerously dedicated physical disks.

2013-09-23 Thread Robert Simmons
On Mon, Sep 23, 2013 at 6:25 AM, Polytropon free...@edvax.de wrote:
 With GPT, there is no reason to use BSD disklabels at all.

 And most modern computers do not have any problem booting it.
 The old MBR approach (as well as dedicated) will probably only
 be needed in niche applications and exceptions. You can have
 all the advantages of being easy stuff known from dedicated
 layout by using the GPT tools, plus you gain more compatibility
 if this matters.

Not entirely. Due to GEOM specs, if you create a GELI encrypted
container, you cannot use GPT partitioning inside that container. You
must use BSD. This is an edge case, and I've submitted a bug about it
a while ago, but like I just said, this is apparently a feature not a
bug.
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Re: [FreeBSD-Announce] vBSDcon Registrations Only Open For 30 More Days!

2013-09-23 Thread Brett Glass

All:

It's good to see corporate support of BSD, but at the same time I 
have mixed feelings about certain corporations -- Verisign among 
them -- hosting BSD-related conferences or becoming involved in the 
development of BSD-based operating systems. Why? Because Verisign, 
based in Reston, Virginia (the city next door to Vienna, VA, home 
of the NSA), has strong ties to this shadowy agency. The NSA, in 
turn -- as reported in documents recently leaked by Edward Snowden 
-- has a very strong interest in weakening the security of 
cryptographic algorithms, cryptographic software, and operating 
systems. We may want to look this gift horse very carefully in the 
mouth, or at least monitor very closely contributions of code 
that might introduce backdoors or weaknesses.


--Brett Glass

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Re: [FreeBSD-Announce] vBSDcon Registrations Only Open For 30 More Days!

2013-09-23 Thread Michael Powell
Brett Glass wrote:

 All:
 
 It's good to see corporate support of BSD, but at the same time I
 have mixed feelings about certain corporations -- Verisign among
 them -- hosting BSD-related conferences or becoming involved in the
 development of BSD-based operating systems. Why? Because Verisign,
 based in Reston, Virginia (the city next door to Vienna, VA, home
 of the NSA), has strong ties to this shadowy agency.

No. I used to work right down the street from Network Solutions (now known 
as Verisign) in Herndon. Indeed, I had job offerings from them but felt I was 
better off to stay where I was. The NSA is headquartered at Ft Meade, near 
Columbia in Maryland. I worked there for 8 years? The CIA headquarters is in 
Mclean, Virgina, which is right next door to Vienna. Reston/Herndon is a few 
miles down the Dulles Toll Rd to the west. I've been to all these places, so 
this is not some MapQuest google for me.

 The NSA, in
 turn -- as reported in documents recently leaked by Edward Snowden
 -- has a very strong interest in weakening the security of
 cryptographic algorithms, cryptographic software, and operating
 systems. We may want to look this gift horse very carefully in the
 mouth, or at least monitor very closely contributions of code
 that might introduce backdoors or weaknesses.

On some level I agree with this - to a point. Examine how the NSA maneuvered 
the NIST to approve and mandate the FIPS-140 protocols, where deeply 
concealed was a known weak prng. To some of us this is not news - we've 
known it for a long time. Arguments of pro vs con, good vs evil, ad 
infinitum ad nauseum, etc, are better served in a different venue.

It is so much easier to get away with concealing such things inside the 
closed-source paradigm. What I like and admire with open source is the code 
is out there in public for all to examine. These truly arcane crypto stuffs 
operate at such a high level of mathematical complexity that even very 
highly skilled cryptographer/mathematicians argue amongst themselves.

I am just not that smart, or that highly educated. There are some in the 
open source community who do have very large propellers on their beanie 
caps. I defer to them simply because they are smarter then me. I would trust 
them long before I would trust closed source. 

I agree about the 'looking the gift horse in the mouth' concept. Bear in 
mind, however, some of the guys at NIST are pretty smart too. And yet this 
FIPS-140/prng stuff went right by them. My suggestion is for FreeBSD (indeed 
open source in general) to try and engage, include, and attract to the 
community the kinds of elite mathematician who may have the facilities to 
examine the code at a higher level than can dummies like me.  

Whenever The Citadel wants the public to fixate on any one particular 
brouhaha I know they are trying to get everyone looking in a particular 
direction whilst they are pulling something else. Verisign may very well 
have some other obfuscated agenda. Take a step backwards and try to obtain 
some view of the bigger picture (hint). Will not elaborate here, even though 
I do have some crackpot ideas. 

I find it highly ironic:

http://en.wikipedia.org/wiki/Snowden_%28character%29#Snowden

I got no end of amusement from this.  Just my $ 0.02. 

-Mike



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Re: [FreeBSD-Announce] vBSDcon Registrations Only Open For 30 More Days!

2013-09-23 Thread Robert Simmons
Any contribution from a company like Verisign needs to be carefully
scrutinized. I also don't think it wise to allow them to take a
leadership role of any type.

On Mon, Sep 23, 2013 at 4:29 PM, Michael Powell nightre...@hotmail.com wrote:
 Brett Glass wrote:

 All:

 It's good to see corporate support of BSD, but at the same time I
 have mixed feelings about certain corporations -- Verisign among
 them -- hosting BSD-related conferences or becoming involved in the
 development of BSD-based operating systems. Why? Because Verisign,
 based in Reston, Virginia (the city next door to Vienna, VA, home
 of the NSA), has strong ties to this shadowy agency.

 No. I used to work right down the street from Network Solutions (now known
 as Verisign) in Herndon. Indeed, I had job offerings from them but felt I was
 better off to stay where I was. The NSA is headquartered at Ft Meade, near
 Columbia in Maryland. I worked there for 8 years? The CIA headquarters is in
 Mclean, Virgina, which is right next door to Vienna. Reston/Herndon is a few
 miles down the Dulles Toll Rd to the west. I've been to all these places, so
 this is not some MapQuest google for me.

 The NSA, in
 turn -- as reported in documents recently leaked by Edward Snowden
 -- has a very strong interest in weakening the security of
 cryptographic algorithms, cryptographic software, and operating
 systems. We may want to look this gift horse very carefully in the
 mouth, or at least monitor very closely contributions of code
 that might introduce backdoors or weaknesses.

 On some level I agree with this - to a point. Examine how the NSA maneuvered
 the NIST to approve and mandate the FIPS-140 protocols, where deeply
 concealed was a known weak prng. To some of us this is not news - we've
 known it for a long time. Arguments of pro vs con, good vs evil, ad
 infinitum ad nauseum, etc, are better served in a different venue.

 It is so much easier to get away with concealing such things inside the
 closed-source paradigm. What I like and admire with open source is the code
 is out there in public for all to examine. These truly arcane crypto stuffs
 operate at such a high level of mathematical complexity that even very
 highly skilled cryptographer/mathematicians argue amongst themselves.

 I am just not that smart, or that highly educated. There are some in the
 open source community who do have very large propellers on their beanie
 caps. I defer to them simply because they are smarter then me. I would trust
 them long before I would trust closed source.

 I agree about the 'looking the gift horse in the mouth' concept. Bear in
 mind, however, some of the guys at NIST are pretty smart too. And yet this
 FIPS-140/prng stuff went right by them. My suggestion is for FreeBSD (indeed
 open source in general) to try and engage, include, and attract to the
 community the kinds of elite mathematician who may have the facilities to
 examine the code at a higher level than can dummies like me.

 Whenever The Citadel wants the public to fixate on any one particular
 brouhaha I know they are trying to get everyone looking in a particular
 direction whilst they are pulling something else. Verisign may very well
 have some other obfuscated agenda. Take a step backwards and try to obtain
 some view of the bigger picture (hint). Will not elaborate here, even though
 I do have some crackpot ideas.

 I find it highly ironic:

 http://en.wikipedia.org/wiki/Snowden_%28character%29#Snowden

 I got no end of amusement from this.  Just my $ 0.02.

 -Mike



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Re: [FreeBSD-Announce] vBSDcon Registrations Only Open For 30 More Days!

2013-09-23 Thread Julian H. Stacey
Hi, 
Good points in Brett  Michael's posts, but for brevity not copied.

Best avoid having code written  reviewed just in USA as it would get less
trust globaly, NSA is a known alien mega spy,  USA even coerces non USA 
citizens outside USA, eg
 
http://www.theguardian.com/world/2009/aug/01/gary-mckinnon-extradition-nightmare
 
http://www.change.org/en-GB/petitions/ukhomeoffice-stop-the-extradition-of-richard-o-dwyer-to-the-usa-saverichard

Best encourage FreeBSD sources to be used  suspiciously reviewed by a
variety of programmers  mathematicians/ cryptologists from different
backgrounds  countries;  
  Max chance of loophole reporting with more people from a spectrum
  of countries with rival mutualy distrusting governments from such
  as eg { Britain, China, France, Germany, Israel, North Korea,
  Russia, Syria, USA } etc.

Presumably nearly all of us are cluless on crypto. math. so meantime
encourage involvement of citizens of at least a few different
dis-trusting countries.

Kernels perhaps have less reviewers than cross-OS S/W eg GPG 
Open-SSH etc, so kernels might be target of choice of suborners ?

Maybe FreeBSD Foundation could set up a cheap bonus scheme for security
bugs exposed/ fixed - Special edition coffee mugs, non purchasable,
sent only as a reward, posted globaly free.

Cheers,
Julian
-- 
Julian Stacey, BSD Unix Linux C Sys Eng Consultant, Munich http://berklix.com
 Reply below not above, like a play script.  Indent old text with  .
 Send plain text.  No quoted-printable, HTML, base64, multipart/alternative.
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Re: [FreeBSD-Announce] vBSDcon Registrations Only Open For 30 More Days!

2013-09-23 Thread Ralf Mardorf
On Mon, 2013-09-23 at 20:00 -0400, Robert Simmons wrote:
 Any contribution from a company like Verisign needs to be carefully
 scrutinized.

No it has to be turned down flat.

Huge companies from the USA at all events are untrustworthy. The only
trustworthy companies are such companies: I have been forced to make a
difficult decision: to become complicit in crimes against the American
people or walk away from nearly ten years of hard work by shutting down
Lavabit. - http://lavabit.com/

Levison said that he could be arrested for closing the site instead of
releasing the information, and it was reported that the federal
prosecutor's office had sent Levinson's lawyer an e-mail to that
effect. - https://en.wikipedia.org/wiki/Lavabit

There can't be any doubts about it, Verisign will do what they can do to
make FreeBSD insecure. Nothing good will contributed by them. Not a
single big company from the USA does not cooperate with the NSA, they
all cooperate with the NSA.

Regards,
Ralf

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Re: dangerously dedicated physical disks.

2013-09-23 Thread Warren Block

On Mon, 23 Sep 2013, Robert Simmons wrote:


On Mon, Sep 23, 2013 at 6:25 AM, Polytropon free...@edvax.de wrote:

With GPT, there is no reason to use BSD disklabels at all.


And most modern computers do not have any problem booting it.
The old MBR approach (as well as dedicated) will probably only
be needed in niche applications and exceptions. You can have
all the advantages of being easy stuff known from dedicated
layout by using the GPT tools, plus you gain more compatibility
if this matters.


Not entirely. Due to GEOM specs, if you create a GELI encrypted
container, you cannot use GPT partitioning inside that container. You
must use BSD. This is an edge case, and I've submitted a bug about it
a while ago, but like I just said, this is apparently a feature not a
bug.


It's not GEOM, it's just GPT.  By specification, the backup partition 
table has to be at the end of the disk.  That interferes with anything 
else that wants to put metadata there, like GELI or gmirror.

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