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Extend Mac OS X's Screenshots

Mac OS X has a variety of built in screenshot methods. Here's a look at a few that offer more versatility than the basic full-screen capture (Command-Shift-3):

• Press Command-Shift-4 and you'll get a crosshair cursor with which you can drag to select and capture a certain area of the screen.

• Press Command-Shift-4-Space to select the entire window that the cursor is over, clicking on the window will then capture it. The resulting screenshot will even get a nice drop shadow.

• Hold down the Space bar after dragging out a selection window to move your selection rectangle around on the screen.

• Hold down Shift after dragging out a selection to constrain the selection in either horizontal or vertical orientation, depending on the direction of your drag.

• Hold down Option after dragging out a selection to expand the selection window around a center point.

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Protect Yourself From the Safari RSS Vulnerability

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Programmer Brian Mastenbrook revealed on 11-Jan-09 that he has discovered a security vulnerability that could allow a malicious Web site you visit using Safari to read any file on your system. The flaw affects the latest versions of Safari when used in Mac OS X 10.5 Leopard or Windows, though not in earlier versions of Mac OS X. Mastenbrook wrote that he has reported the details to Apple.

The vulnerability apparently could reveal the contents of any file, which includes email messages, passwords stored in browser cookies, or other documents. We have strong indications that the problem is real and you should immediately protect yourself in case malicious attackers figure out the vulnerability's full details before Apple issues a patch.

The vulnerability lies in the Safari RSS reader, and according to Mastenbrook, you may be affected even if you don't use the reader, as long as Safari is set to be your default RSS reader, which it is unless you've changed the setting. This likely indicates that the problem relates to how Safari handles RSS subscription links or feeds, since browsing to those triggers Safari's RSS reader.

The good news is that it's relatively easy to protect yourself. If you are on Windows, just stop using Safari until a fix is released. If you are using Mac OS X 10.5 Leopard, follow the updated instructions on Mastenbrook's Web site, linked above. Simply changing the default RSS reader application in Safari does not provide full protection, unfortunately.

It's always a relief when there is a reasonable workaround to a potentially serious security vulnerability, and we won't be surprised if Apple patches this vulnerability fairly quickly.

 

New for iOS 8: TextExpander 3 with custom keyboard.
Set up short abbreviations which expand to larger bits of text,
such as "Tx" for "TextExpander". With the new custom keyboard,
you can expand abbreviations in any app, including Safari and
Mail. <http://smle.us/tetouch3-tb>