#WHAT IS BACK TO MY MAC FEATURE PASSWORD#
Mac password winds up being the root for much more secure measures. The secured tunnels are created only when you access a file server or remote screen.ĭespite these strong measures, there are concerns about how the. In general, the connection is only formed when a service is accessed other Back to My Mac computers show up in the Shared area of the sidebar even before you connect to them. If you had five machines registered with Back to My Mac, and had file servers or screen sharing enabled among all of them-a pretty mammoth set of operations-you could have as many as 40 tunnels, two for each connection among each machine! IPsec lets two parties establish a secure connection, and Back to My Mac uses this connection for screen sharing and file serving.Įach set of machines that have Back to My Mac enabled establish their own secure tunnels. IPsec (short for IP security) is more commonly seen as part of the L2TP-over-IPsec (Layer 2 Tunneling Protocol over IPsec) virtual private network (VPN) protocol that’s used by Apple and other firms.
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The system can issue tickets, which authorize specific access for specific periods of time. Kerberos lets two parties who have previously identified themselves to each other-in this case, through digital certificates that Leopard has installed on each Back to My Mac computer-to validate each other’s identity and share information securely.
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Mac account name and then “(.Mac Sharing Key)” and “(.Mac Sharing Certificate).”īack to My Mac relies on a somewhat obscure security system developed at MIT that typically falls far below the purview of all but information technologists and security experts. These can be viewed in Keychain Access: They’re named starting with your. Mac, which, if successful, hands back a couple digital certificates that are used to validate sharing sessions cryptographically. When you do so, Leopard uses a secure authentication process to validate your account information with. Mac account, and enter your account name and password in the. To use Back to My Mac, as noted earlier, you have to have an active. Let’s look first at Back to My Mac’s security provisions:
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Mac authentication process have never been cracked, but social engineering or a malicious Web site taking advantage of an unpatched exploit could fool someone into revealing their password. Mac password opens access provides a lot of leverage to a cracker.Mac passwords and the. Almost immediately after Leopard shipped, security experts in the Mac community started raising concerns about Back to My Mac because it opens up tremendous remote access to machines that are otherwise passively protected by NAT.