This article discusses a strange issue related to the OS X 10 firewall, mysteriously restarting itself, and disallowing traffic to applications that should be whitelisted.

Update 2014-03-06: SOLVED

At Makalu, we're longtime users of Basecamp, the online project management system created by the folks at Basecamp (formerly 37signals). 37signals care deeply about design, and this is evident

After reading about Facebook's $19 billion purchase of WhatsApp, I started thinking about the revenue and public valuations of the giant advertising companies—Google, Facebook and Twitter—as

A few months ago, a frequent-traveler named "Matthew Henderson" from New York City signed up at Delta.com, accidentally providing my Gmail email address instead of their own (which is likely some

I have a MacBook Air, and my wife has an iMac. The challenge is to have shared access to our family's documents, while securing those which are confidential. This article describes our solution.

Drop

A few weeks ago, and way late to the game, I started listening to podcasts. Of the several I've heard so far, the ones I enjoyed have included Horace Dediu's "The Critical Path", Benedict Evans's "C

While waiting for version 4 to be released, I've had to temporarily uninstall the MailTags plug-in from Mail.app in OS X Mavericks. One of the most-used features of MailTags for me was its ability

This morning we traveled to Málaga to participate in the 2014 Churriana chess tournament. The event was actually divided into two tournaments—adults and kids. Both my kids chose to participate with

In the past, all the devices in my home operated over a single wifi network—including four Macs, an AppleTV and several iOS devices. I've long suspected I was probably overtaxing the wifi, and

For the past few days, the CPU on my 11" MacBook Air, running OS X Mavericks 10.9.1 has looked like this:

Periodically—and frequently—a process called, "tccd", would momentarily ramp up its CPU usage