Apple has released AirPort Base Station Firmware Update 7.7.3, which is recommended for all AirPort Extreme and AirPort Time Capsule base stations with 802.11ac. Related to the recently exposed Heartbleed bug (see “The Normal Person’s Guide to the Heartbleed Vulnerability,” 9 April 2014), the firmware update fixes an OpenSSL vulnerability that was exposed when the Back to My Mac feature was turned on. After updating the firmware, you may need to re-enable Back to My Mac using AirPort Utility and your Mac’s System Preferences. You must update your AirPort base station using AirPort Utility on your Mac or an iOS device with the free AirPort Utility app installed (the download isn’t available via the Apple Support Web page or Software Update).
Viewing Wi-Fi Details in Snow Leopard
In Snow Leopard, hold down the Option key before clicking the AirPort menu. Doing so reveals additional technical details including which standards, speeds, and frequencies you're using to connect, as well as what's in use by other networks. With the Option key held down and with a network already joined, the AirPort menu reveals seven pieces of information: the PHY Mode, the MAC (Media Access Control) address, the channel and band in use, the security method that's in use, the RSSI (Received Signal Strength Indication) measurement, the transmit rate, and the MCS Index. In Leopard, some, but not all, of these details are revealed by Option-clicking the AirPort menu.
AirPort Base Station Firmware Update 7.7.3
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