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Wake On Demand in Snow Leopard

Putting your Mac to sleep saves power, but it also disrupts using your Mac as a file server, among other purposes. Wake on Demand in Snow Leopard works in conjunction with an Apple base station to continue announcing Bonjour services that the sleeping computer offers.

While the requirements for this feature are complex, eligible users can toggle this feature in the Energy Saver preference pane. It's labeled Wake on Network Access for computers that can be roused either via Wi-Fi or Ethernet; Wake on Ethernet Network Access or Wake on AirPort Network Access for wired- or wireless-only machines, respectively. Uncheck the box to disable this feature.

Submitted by
Doug McLean

 
 

Beware Trojans Bearing Ads

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According to Russian security firm Doctor Web, there are an increasing number of Mac-focused Trojans that install extensions for Safari, Chrome, and Firefox. These extensions are designed to embed third-party ad code into otherwise unrelated Web pages, funneling the clickthrough revenue back to the malware authors. The Trojans use a variety of techniques to fool users into installation, including masquerading as video plug-ins, media players, download accelerators, and more. To be safe, avoid installing software from sites that prompt you to do so — always get software from trusted sources.favicon follow link

 

Comments about Beware Trojans Bearing Ads
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Re:"To be safe, avoid installing software from sites that prompt you to do so — always get software from trusted sources."
Does this mean one should turn off AutoUpdate or use it strictly as a notice that one should go the original vendor's web site to get the latest update?
Adam Engst  An apple icon for a TidBITS Staffer 2013-03-26 06:56
No, automatic update features within programs are probably the absolute safest, since I would think they would be the hardest to spoof. The vendor's Web site is second safest.

The main thing is, if a Web page pops up a dialog saying "You need the IMGOINGTOSTEALYOURFACE plugin to view this content." click Cancel and close the page as quickly as possible. And even if a site says, "You need the Microsoft Silverlight plugin to view this content." go to the Microsoft site manually to download and install it, rather than getting it from the prompt.
Jesse the K  An apple icon for a TidBITS Supporter 2013-03-25 18:41
And as far as "trusted sources" go: I assume that Safari extensions available through "Safari Extensions…" in the app menu are OK.

Does this mean extensions from other sources are suspect? How does one go about determining their safety? (Crap, and I thought Mac users didn't have to fuss about this stuff.)
Adam Engst  An apple icon for a TidBITS Staffer 2013-03-26 06:58
Yes, you should get Safari Extensions only through the the Safari Extensions Gallery available from Safari > Safari Extensions.

This is actually a big deal, and I believe Google has changed Chrome so that you can download Chrome extensions only from the Chrome Web Store rather than from developer sites for just the same reason.
Steve Dunham  2013-03-26 11:47
Since these are browser extensions, will they show in the respective browser's extension mechanism? Thus a weekly (or so) perusal/scan through those lists may help to detect? Also, have any of the anti-malware vendors announced support for detection & prevention?
Adam Engst  An apple icon for a TidBITS Staffer 2013-03-26 12:02
It certainly wouldn't hurt to look through the installed extensions to make sure you recognize everything there, but if you're careful about installing software properly, it shouldn't be a problem. I imagine the antivirus vendors have updated to detect these, since they're likely quite obvious.