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Upgrade the memory of your 2020 iMac up to 128GB

Upgrade the memory of your 2018 Mac mini up to 64GB

Disable Incoming Internet Connections

2011-06-05 - Send Feedback
Related: Apple macOS, how-to, security

Enabling the Mac OS X Firewall.

Enable the Mac OS X Firewall

If you are not using File Sharing, click the Advanced… button and disable all incoming connections.

Advanced options for the Mac OS X Firewall

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SanDisk 256GB Extreme PRO UHS-I SDXC Memory Card
~~$100~~ $55
SAVE $45