Net­work­ing quick-fire ques­tions

Mac Format - - GENIUS TIPS -

How can I get a fixed ex­ter­nal IP ad­dress?

Un­like do­main names, th­ese are nor­mally con­trolled by in­ter­net ser­vice providers (ISPs), each with an al­lo­cated block. Con­tact your ISP: most charge ex­tra for a fixed IP ad­dress, and they’re not avail­able on all ser­vice plans.

Can I still use an iMac with a dead Eth­er­net port?

Yes. The port would be costly to re­pair, usu­ally re­quir­ing a new logic board. You could add a Thun­der­bolt or USB adapter. The snag is that some prod­ucts use the port’s MAC ad­dress to iden­tify the Mac, so may re­quire reau­tho­ri­sa­tion.

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