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Option-Click AirPort Menu for Network Details

If you hold down the Option key while clicking the AirPort menu in Mac OS X 10.5 Leopard, you'll see not just the names of nearby Wi-Fi networks, but additional details about the selected network. Details include the MAC address of the network, the channel used by the base station, the signal strength (a negative number; the closer to zero it is, the stronger the signal), and the transmit rate in megabits per second showing actual network throughput. If you hover the cursor over the name of a network to which you're not connected, a little yellow pop-up shows the signal strength and type of encryption.

 
 

Firefox 6.0.2

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Mozilla has released Firefox 6.0.2 to remove additional DigiNotar-issued SSL certificates. According to a Mozilla blog post, DigiNotar, the Dutch certificate authority that was used by an Iranian hacker to issue fraudulent SSL certificates, also issued some certificates used by the Dutch government. The Dutch government’s initial assessment indicated that those certificates were still trustworthy, so Mozilla exempted them from Firefox 6.0.1’s removal of DigiNotar root certificates. After an audit of DigiNotar, the Dutch government rescinded that initial assessment of trust, so Mozilla has now removed all DigiNotar certificates from Firefox. Google has updated Chrome (which happens automatically), and Apple has now released Security Update 2011-005 to protect Safari users (it’s also possible to excise the DigiNotar certificates from your base keychain if you’re not yet in a position to apply Apple’s update). Firefox users should update to 6.0.2 to avoid the real-world exploits based on these fraudulent certificates. (Free, 28.1 MB, release notes)

 

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