OS X manages the firewall on a per-application basis, but sometimes you want to open a specific port on your Mac. You can allow or block incoming traffic to specific apps using the Security ...

Several readers are reporting repeated system freezes in Mac OS X when switching network locations ... that occur when simply switching network ports -- that is, from AirPort to Ethernet or ...

Get networked If you have a computer with a built-in Ethernet port, either built-in or with ... With no other routers connected, your Mac running OS X should act as a DHCP server and lease an ...

Mac OS X has long included a basic firewall ... Firewalls prevent unapproved connections to open ports on a computer or network, but the average Mac, by default, doesn’t open many ports in ...

If Apple hasn’t yet made the Ethernet network port ... Mac obsolete by not including it, as is the case with most Macs sold today, then it may have accidentally broke the port last week in an ...

In the best case, Mac OS X Leopard on standard PC hardware can use full graphics ... must attach to USB ports. Hardware support for network, sound and graphics cards is generally good, although ...

OS X Server’s VPN needs four ports open to work ... Launch OS X Server on your old Mac. Click the your computer’s name from the left menu. Click “Edit Host Name...” and click Next when ...