Effective Classy Websites and Tutorials

You can opt to make your Mac invisible to “pings” from the Internet, a common tactic of spammers who are looking for available machines to turn into spam relay stations. On both Macs and PCs it is disabled by default. Heres how you can turn this protection mechanism on:

On Mac OS X 10.4 Tiger:

1. Go to System Preferences > Sharing
2. Click the Firewall button
3. Click Advanced
4. Check Enable Stealth Mode

On Mac OS X 10.5 Leopard:

1. Go to System Preferences > Security
2. Click the Firewall button
3. Click Advanced
4. Check Enable Stealth Mode
5. For additional protection you can also turn on the firewall ( I recommend the: Set access for specific services and applications option.)

On Windows XP Professional:

1. Go to Control Panel > Windows Firewall
2. Click the Advanced tab
3. Next to ICMP click Settings
4. Uncheck the first option “Allow incoming echo request”

This will set both systems to drop any incoming ping request.

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