TidBITS#835/26-Jun-06
=====================
Recent news stories about stolen laptops filled with unsecured
sensitive information spooked Derek Miller into applying an
easy solution: he details how to create a secure disk image
for your important data. Also in this issue, Brady Johnson uses
a QuickerTek transceiver to boost his MacBook Pro wireless
reception, Adam tracks down recalcitrant Photoshop files, and we
note the releases of Interarchy 8.1, iPhoto 6.0.4, Shake 4.1,
FlickrExport 2.0, Aperture 1.1.2, the Pro Application Update
2006-001, and WebCrossing Neighbors.
Topics:
MailBITS/26-Jun-06
QuickerTek Extends Laptop Range
The Mystery of the Recalcitrant Photoshop Files
Unintelligible Garbage Is Your Friend
Take Control News/26-Jun-06
Hot Topics in TidBITS Talk/26-Jun-06
<http://www.tidbits.com/tb-issues/TidBITS-835.html>
<ftp://ftp.tidbits.com/issues/2006/TidBITS#835_26-Jun-06.etx>
Copyright 2006 TidBITS: Reuse governed by Creative Commons license
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MailBITS/26-Jun-06
------------------
**Interarchy 8.1 Adds Amazon S3 Support** -- Peter Lewis and
Stairways Software have released Interarchy 8.1, the latest
version of their powerful file transfer software. New features
in Interarchy 8.1 include support for Amazon S3 (Amazon Simple
Storage Service, which provides storage to anyone for $0.15 per GB
per month of storage used and $0.20 per GB of data transferred),
the capability for Auto Uploads to upload to multiple remote
directories, and a variety of other small fixes and improvements.
Version 8.1 is a free upgrade for owners of Interarchy 8 and those
who purchased Interarchy 7 after 01-Jan-06; for owners of earlier
versions, it's a $20 upgrade, and new copies cost $40. [ACE]
<http://www.interarchy.com/>
<http://www.amazon.com/gp/browse.html/103-8992456-0700646?node=16427261>
<http://www.interarchy.com/documentation/8/whatsnew>
**iPhoto 6.0.4 Adds New Themes** -- Apple has released iPhoto
6.0.4, an update to the popular photo-management application that
fixes... well, nothing, apparently. Instead, the 36.4 MB download
available directly or via Software Update adds new themes to the
Greeting Card and Postcard features "including invite and thank
you card designs for summer parties, weddings, birthdays, etc.,"
according to Apple. Unfortunately, because Apple stores iPhoto
themes within the iPhoto application package (instead of
separately, as with iDVD 6 for example), adding new themes
means downloading the entire application. Unless Apple has snuck
in some other fixes without documenting them, this hardly counts
as an essential update (though if you're printing cards, the
update is more appealing). [JLC]
<http://www.apple.com/support/downloads/iphoto604.html>
**Universal Shake 4.1 Drops in Price** -- The latest Apple program
to be released as a universal binary for native performance on
Intel-based Macs is Shake 4.1, Apple's high-end video composition
software used in many Hollywood productions. However, the more
interesting news is that Apple slashed the price, from $3,000 to
$500 (yes, the number of zeroes on those figures is correct).
Rather than aiming solely for special-effects houses, the company
is positioning Shake as an extension to Final Cut Studio. As Mike
Curtis (who has extensive post-production experience) points out
at his HD for Indies blog, however, Shake is not the sort of
friendly application that average users are likely to pick up
quickly; the price cut may indicate that Apple is moving on to
Shake's successor, a possibility bolstered by the fact that Apple
also announced that it is no longer selling the Apple Maintenance
Program for Shake. Current owners of Shake 4 can upgrade to
version 4.1 for $50. [JLC]
<http://www.apple.com/shake/>
<http://www.apple.com/finalcutstudio/>
<http://www.hdforindies.com/2006/06/apples-shake-now-only-499-and-what-it.html>
<http://www.apple.com/pr/library/2006/jun/20shake.html>
**FlickrExport 2.0 Enables Easy iPhoto Uploading** -- Connected
Flow has released version 2.0 of FlickrExport, a plug-in for
iPhoto 4.0 or later that makes it easy to upload images to
the Flickr photo-sharing service. The new version can now add
images to existing Flickr photosets and group pools, provides
a list of tags that you've previously used to categorize photos,
and more. The shareware FlickrExport 2.0 is a universal binary,
requires Mac OS X 10.3 or later, and costs 12 euros; it's a
1.4 MB download. [JLC]
<http://connectedflow.com/flickrexport/>
<http://www.flickr.com/>
**Apple Updates Aperture, Pro Applications Frameworks** -- The
high end of Apple's application line saw bug-fix updates
last week. Aperture 1.1.2 "addresses issues related to overall
reliability and performance," and is a 13.6 MB download.
The more expansive Pro Application Update 2006-001 provides
updates to several underlying frameworks that are used by
Final Cut Studio (which includes Final Cut Pro 5.1, Motion 2.1,
Soundtrack Pro 1.1, DVD Studio Pro 4.1, Compressor 2.1, and Apple
Qmaster 2.1), Shake 4.1, and Final Cut Express HD 3.5 (which also
includes LiveType 2.1). [JLC]
<http://www.apple.com/support/downloads/aperture112update.html>
<http://www.apple.com/support/downloads/proapplicationupdate200601.html>
<http://www.apple.com/finalcutstudio/>
<http://www.apple.com/shake/>
<http://www.apple.com/finalcutexpress/>
**Web Crossing Neighbors Creates Private Social Networks** -- Web
Crossing, Inc. last week announced the public availability of
WebCrossing Neighbors, a hosted service that businesses and
other organizations can use to create customized online social
networks for customers, employees, or interested users.
WebCrossing Neighbors provides interest groups, personal user
spaces, profiles, blogs with comments, discussions, photo and
file sharing, access controls, system-wide searching, email
services, and more. Each user has a space for personal content
and for automatically updated links to new content from friends.
Users can also create shared interest groups distributed via
a Web-based forum or email, all managed with access lists.
The first site using WebCrossing Neighbors is CarSpace from
Edmunds.com, which is using it to create a private sandbox for
car fans - a rather popular sandbox, to judge from the hundreds
or even thousands of posts in some of the discussion groups.
Prices for WebCrossing Neighbors start at $200 per month and
depend on storage and bandwidth used. [ACE]
<http://webcrossing.com/Home/webcrossing_neighbors.htm>
<http://www.carspace.com/>
QuickerTek Extends Laptop Range
-------------------------------
by Brady Johnson <[EMAIL PROTECTED]>
I'm one of those people who considers Internet access to be a
basic function of any computer. My laptop is not always near my
home network, but the AirPort card is advertised work only with
a 150-foot (50m) range, and I often find myself farther from a
network than that. So I began the search for ways to boost the
range of my new 15-inch MacBook Pro.
I briefly considered the "cantenna," which is an antenna made
from a tin can. From what I've read, it can significantly improve
wireless reception range (though it's rather directional, and
would need to be adjusted constantly to point at the desired
network). I will probably build one of these at home just for fun,
but as I will mostly be using my MacBook for work, the cantenna
looks a bit too funky.
<http://www.turnpoint.net/wireless/cantennahowto.html>
Enter QuickerTek, a small company that specializes in "wireless
performance products," according to its Web site. In addition
to antennas, it sells transceivers that can boost your Mac's
wireless range by a factor of two or better. My first question
was, what's the difference between an antenna and a transceiver?
The basic difference is this: Antennas are passive devices that
concentrate the signal in specific directions, both when sending
and receiving. Transceivers are active devices that provide a
high-power transmitter and a receiver that amplifies the incoming
signal.
<http://www.quickertek.com/>
<http://www.quickertek.com/faq.php>
QuickerTek makes transceivers for the MacBook Pro, 17-inch iMac,
Power Mac G3 and G4, and other models. I called QuickerTek to
learn more and asked whether I should buy the transceiver or an
antenna. I was connected to a human being without spending endless
time on hold or having to navigate a labyrinthine menu system.
The fellow I spoke with was very knowledgeable and spoke candidly
with me about the pros and cons of their offerings. One thing
he stressed was that the MacBook Pro transceiver requires you
to open the laptop to attach a lead to the internal AirPort card.
QuickerTek can do this for you if you aren't comfortable opening
your laptop.
I ordered the MacBook Pro model, the $200 27dBm MacBook Pro
Transceiver. Four days later, my heart all a-flutter, I tore
open the box. I was delighted to discover that it included all
necessary tools, including a real size 0 Phillips screwdriver
instead of one of those cheap, handle-less things that come with
so many "do it yourself" kits. It also contained a good set of
detailed instructions, including readable photos with arrows
pointing accurately to the items I would soon be working with.
I should add that while the pictures were an invaluable guide,
the text was less so. Most of the description was fairly accurate,
but some was just plain vague. The pictures were the lifesaver.
<http://www.quickertek.com/MBProXCVR.php>
Another nice touch was the piece of paper with circles on it,
neatly labelled to keep track of each of the seven sets of screws
I would be removing. This saved me the trouble of having to find
seven bowls and either label them or try to remember which screws
went where.
Following the directions, it took me all of about 10 minutes to
remove the keyboard cover and expose the guts of the MacBook Pro.
I disconnected one of the AirPort leads and replaced it with the
lead from the QuickerTek transceiver, then closed up the MacBook
Pro. Total elapsed time: under 20 minutes!
A small wire now protrudes from the laptop and connects to another
small cable that in turn connects to the transceiver itself, which
snaps onto the top of the screen.
The transceiver can take power from either the MacBook Pro's USB
port or wall current. I planned to wander around the house with
it for a bit and test reception, so I used the USB connector.
When I powered up, the little green lights flicked on, and lo!
My network's signal strength numbers in iStumbler jumped from
a fairly weak (but stable) 14 to a robust 38. In graphic terms,
the signal level in Internet Connect went from about half to
fully filled, and the AirPort signal icon in the menu bar went
from three bars to completely full.
<http://www.istumbler.net/>
Before installing the transceiver, I could see only our home
network. Occasionally, if I wandered way over to one side of the
house, I could see a neighbor's network. With the transceiver,
I could pull in the neighbor's network from anywhere in the house,
as well as three others I had never seen before. Then I took my
newly augmented MacBook Pro to work in downtown Seattle, where
plenty of wireless networks overlap. Without the transceiver,
I could see about 10 networks from my office. With the transceiver
I can routinely pull in about 25, with much stronger signals
than before.
I would offer only one caution: the two cables running between the
transceiver and the AirPort card are slender and probably fragile.
A nice metal connector with solid construction joins the cables,
and I don't expect that to break. The length of cable from the
transceiver is easy to care for, since when I travel I remove the
transceiver and stow it securely. But the short length of cable
running from the AirPort card and exiting the side of the MacBook
Pro can't be removed. It is important to store that securely
so that it does not wiggle or pull loose from the AirPort card
inside. I have taken to using a piece of tape to secure it to
the side of the laptop.
Other than this single, fairly minor storage issue I can recommend
the QuickerTek transceiver for anyone needing a more robust
wireless signal. It was easy to install (given that I am not
afraid to open up my Mac) and works at least as well as
advertised.
[Brady Johnson is a Seattle-area Mac user who loves any excuse to
open the Mac and poke around.]
The Mystery of the Recalcitrant Photoshop Files
-----------------------------------------------
by Adam C. Engst <[EMAIL PROTECTED]>
[Cue film noir music and fade in on a 1950's-style office, the
illumination from twin LCDs reflected in the perspiration of a
man's brow. When he speaks, his voice is rough with fatigue and
frustration.]
On Sunday, everything was working fine. On Monday - I hate
Mondays - double-clicking a Photoshop file in the Finder would
launch Photoshop, but wouldn't open the file. Dragging the file
to Photoshop's Dock icon or Finder icon had equally little
effect. But opening files from within Photoshop continued to
work properly. Peeved by Photoshop's hesitation to open files
from the Finder, I stuffed my iPod in my pocket and set out
to investigate.
First I turned to "Ted Landau's Mac OS X Help Line, Tiger
Edition", a 1,200-page tome that has answers to most Macintosh
troubleshooting problems. The hard part is asking the beefy book
the right question. I was lucky. My first query struck paydirt.
I knew the Finder relied on Launch Services to connect documents
with their applications. Pressed, the fat volume produced the info
I needed - the whereabouts of the Launch Services plist and easily
corrupted cache file.
<http://www.amazon.com/exec/obidos/ASIN/0321334299/tidbitselectro00/
ref%3Dnosim/>
I found them, one lounging in my user's Preferences folder, the
other hiding out in the shadows of the Library's Cache folder.
Neither would divulge the information I was looking for, even
after I explained just how unnecessary they were to my continued
happiness. So I drove them to the city dump and told them
disappear. I knew there would be another plist and cache file
ready to take over as soon as I returned to the city. Perhaps
I could lean on the new guys.
Unfortunately, the lowlifes who took over Launch Services were
clueless. I was back to square one, and the Photoshop documents
still weren't opening from the Finder. It was time to hit the
streets and talk to my informants. A few days and a lot of beers
later, I finally found a mole inside Adobe willing to talk... for
a price. A high price. I bought him another beer and described
my visit to the city dump. He talked. The problem was a missing
person - the Adobe Unit Types file. It belonged in the Library's
ScriptingAdditions folder, but it was AWOL.
<http://www.adobe.com/support/techdocs/329996.html>
I slid a few more bucks to my stool pigeon, who told me where
to find the pasty-faced Adobe Unit Types file. A case surrounding
a panicking Mac OS X 10.4.6 had blown up in my face a few weeks
earlier, and I'd had to call in some reinforcements to smooth
things over with an Archive & Install. My assistants are normally
thorough, but Adobe Unit Types had managed to avoid their sweep
and was sitting pretty, drinking whiskey by the pool in the
Previous System/Library/ScriptingAdditions folder. I paid him
a call, and my suave manner, backed up by the bulge in my jacket
pocket, convinced him to return to his post. He wasn't happy about
it, but when I next double-clicked a Photoshop file, it opened as
it should in Photoshop.
<http://db.tidbits.com/getbits.acgi?tbart=08501>
The week was almost over, the mystery was solved, the case was
closed, and I could finally get back to editing my graphics.
Unintelligible Garbage Is Your Friend
-------------------------------------
by Derek K. Miller <[EMAIL PROTECTED]>
I'm getting tired of reading frequent news stories about laptop
computers lost, stolen, or left in the back seats of cabs by
company or government employees, supposedly exposing untold
thousands of social security numbers, insurance records, or other
sensitive, private information to identity thieves and other
miscreants. What those news reports usually fail to mention
is whether the missing data files were securely encrypted.
<http://money.cnn.com/2006/06/15/news/companies/aig_theft/>
**Making Your Private Data Useless (Except to You)** -- Encryption
is a mathematical method of scrambling information - one the
United States government once tried to classify as a non-
exportable munition - so that it can only be unscrambled with the
correct password. The best encryption methods make it essentially
impossible to decrypt data without that password, no matter what
trickery or brute-force methods are applied.
<http://en.wikipedia.org/wiki/Portal:Cryptography>
<http://db.tidbits.com/getbits.acgi?tbart=01581>
If your Mac stores files you'd rather keep from prying eyes - and
chances are it does contain financial or medical records, credit
card information, highly personal email, and so on - it's not hard
to encrypt that data to protect it when you're logged out or away
from your computer. Without the right password, encrypted data is
unintelligible digital garbage, so even if someone were to remove
your hard disk or copy all your files elsewhere, your protected
information would be useless to them.
**Better a Safe than a Vault** -- Apple includes a feature built
into Mac OS X 10.3 and later, known as FileVault, that encrypts
your entire home folder. But most experts agree that FileVault
is overkill, because of performance issues, the risk of data loss,
backup problems, and other reasons that Adam explained in his
recent appearance on the MacNotables podcast:
<http://www.apple.com/macosx/features/filevault/>
<http://www.macnotables.com/archives/2006/655.html>
If Apple's tool won't do, what's the alternative? It turns out you
can easily use Disk Utility to create an encrypted disk image that
behaves just like - and, importantly, can be backed up just like -
a regular Mac folder. You can even set it to open automatically
(with a password) whenever you restart or log in to your Mac.
Then you can protect only those files you really need to, while
leaving your iTunes and iPhoto libraries, browser cache files,
and less sensitive documents as they are.
**Ten Steps to Scramble Your Stuff** -- I've posted a step-by-step
screenshot tutorial in the form of a photoset and slideshow on the
popular photo sharing site Flickr, if you'd like to follow along:
<http://www.flickr.com/photos/penmachine/sets/72157594167748426/>
<http://www.flickr.com/photos/penmachine/sets/72157594167748426/show/>
1. Figure out which files you want to protect, and consolidate
them in a single folder. Subfolders are fine, but you want to make
sure not only that you have everything you want to protect in one
place, but also that you don't miss anything.
2. Launch Disk Utility (in your /Applications/Utilities folder)
and click the New Image button in the toolbar to create a disk
image. (You could also choose Images > New > Image from Folder
if you want to avoid the manual copying in step 4 below.)
From the Format pop-up menu, choose the Sparse Image format (which
is only as big as the data inside, so it doesn't waste any space);
under Encryption, choose AES-128 encryption (the only encrypted
option); and choose a maximum size from the Size pop-up menu that
makes sense - I chose 4.7 GB, so even if I fill the image up,
I can burn it to a single DVD-R.
<http://en.wikipedia.org/wiki/Advanced_Encryption_Standard>
3. Name your encrypted disk image in the Save As field and choose
a location where it will be stored on the hard disk; I saved mine
to ~/Documents/. Click the Create button.
4. When the Authenticate dialog appears, choose a password.
Apple's Password Assistant (press the key button) can help
you generate a good password, which is strong, secure, and
unguessable, and which you will never, ever forget.
<http://en.wikipedia.org/wiki/Password_strength>
I know those two criteria are a bit contradictory, but anyone who
can guess your password will have access to your files; on the
other hand, if you forget it, chances are that neither you nor
anyone else will be able to decrypt them. (I suggest storing a
paper copy of your password in your safety deposit box, in case
anything ever happens to you and your family needs to access it.)
I also recommend leaving the Remember Password checkbox unchecked,
because if you allow your decryption password in your Keychain,
anyone who knows your login or Keychain password, or who gets at
your computer while you're logged in, may also be able to access
your encrypted files.
5. Disk Utility saves the disk image where you specified and with
the name you gave (MyFiles.sparseimage, for example), and also
opens it as a virtual disk (MyFiles) on your Desktop. Copy your
files into the virtual disk just as you would into a regular
removable drive or folder.
6. Add the encrypted disk image file to your login items. Choose
System Preferences > Accounts and click the Login Items tab.
Click the plus sign button, find the .sparseimage file, select it,
and click Add (or just drag the file into the Login Items tab).
Now, whenever you restart or log in to your account, your Mac will
ask you for your decryption password and mount the virtual disk on
your Desktop. You can eject the virtual disk to protect the files
if you're putting your computer to sleep, or even just stepping
away from your desk.
7. For extra convenience, put an alias to the virtual disk where
you used to keep the unencrypted files, so it behaves just like
the folder it's replacing. If you give it the same name, other
programs that expect the unencrypted folder to be there should
still continue to work while the volume is mounted. If your
encrypted volume isn't mounted, trying to open the alias will
prompt you for your password.
8. Check that everything works. Eject and try to remount the
virtual disk. Log out and back in. Open files in the virtual
disk to make sure they work properly.
9. Once you've confirmed your data is safe, erase the unencrypted
originals. Choose Secure Empty Trash from the Finder application
menu to make sure they're really gone.
10. Finally, make sure you have a backup strategy that includes
regularly copying the encrypted disk image to other media, some
of which are stored offsite.
**Not for the Truly Paranoid** -- This system isn't perfect.
Paranoid users would point out that AES-128 encryption isn't the
strongest available, would recommend other solutions such as PGP
or GPG, and they probably know of other flaws in my process that
could expose your secrets to truly determined, crafty, and well-
equipped adversaries - maybe. For an introduction to more
aggressive encryption techniques, I recommend two recent podcasts
(one video, one audio) from host Leo Laporte, at MacBreak and
Security Now!
<http://www.pgpi.org/>
<http://www.gnupg.org/>
<http://twit.tv/mb10>
<http://www.grc.com/sn/SN-041.htm>
**Encrypt that Data** -- Let's return to the back seats of those
taxicabs. If the nabbed social security numbers and insurance
records were encrypted, as they should be, it's not much of a
news story, because thieves can't get at them. And if they aren't,
the recalcitrant employees (or the IT staff who provided their
laptops) should be fired. Laptops are lost and stolen, but there's
no excuse for private information to live on them unencrypted.
For most Mac users, an encrypted disk image is secure enough
that if you lose your new black MacBook, your despair is lessened
slightly, knowing that lurking inside its stealthy case is a
once-classified munition keeping your private files out of the
wrong hands.
[Derek K. Miller is Communications Manager for Navarik, an
Internet software company in Vancouver, Canada. By night, he wears
a wig and plays drums in a classic rock cover band, and is also
the co-host of the Inside Home Recording podcast. His blog, like
his youngest daughter, is six years old in 2006.]
<http://www.navarik.com/>
<http://www.insidehomerecording.com/>
<http://www.penmachine.com/>
Take Control News/26-Jun-06
---------------------------
by Adam C. Engst <[EMAIL PROTECTED]>
**Running Windows on a Mac Ebook Updated to Version 1.0.2** --
Keeping up with the latest techniques for running Windows on an
Intel-based Mac can be challenging, but Joe Kissell makes it easy
with the latest update to "Take Control of Running Windows on a
Mac." Version 1.0.2 of the ebook covers the much-anticipated 1.0
release of Parallels Desktop and adds information about using
Parallels Compressor to compact a virtual disk. (You might also
be interested in reading the TidBITS review of Parallels Desktop.)
If you own an earlier version of the ebook, click the Check for
Updates button on the first page of the PDF to access your free
update. Page 4 of the ebook lists the important changes and
provides links to the new content.
<http://www.takecontrolbooks.com/windows-on-mac.html?14@@!pt=
TRK-0034-TB835-TCNEWS>
<http://db.tidbits.com/getbits.acgi?tbart=08567>
Hot Topics in TidBITS Talk/26-Jun-06
------------------------------------
by TidBITS Staff <[EMAIL PROTECTED]>
The first link for each thread description points to the
traditional TidBITS Talk interface; the second link points to
the same discussion on our Web Crossing server, which provides
a different look and which may be faster.
**Home library cataloging software** -- In a fit of organization,
a reader looks to software to help him keep tabs on his books,
music, and other stuff. (8 messages)
<http://db.tidbits.com/getbits.acgi?tlkthrd=3032>
<http://emperor.tidbits.com/TidBITS/Talk/865/>
**Would resetting the PRAM fix my Video RAM error?** Resetting
the parameter ram (PRAM) on a recent iMac solved a display error,
much to the surprise of the machine's owner. (8 messages)
<http://db.tidbits.com/getbits.acgi?tlkthrd=3033>
<http://emperor.tidbits.com/TidBITS/Talk/866/>
$$
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