Typically software that runs to prevent network traffic from reaching a computer. Also a hardware device that works on a network level rather than running on a single computer.

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2answers
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Settings for Firewall and AirPort Extreme Router to Open a Port

I am trying to make ports on my OSX 10.6.5 mbp accessible to the open internet. The only thing I could find in the system firewall was allowing (or disallowing) a particular.app file, but nothing ...
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5answers
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How to get rid of firewall “accept incoming connections” dialog?

I've accepted this so many times that firewall should already remember it. For example, I get it for Eclipse when starting my java programs in debugging mode ... sometimes this dialog is displayed ...
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votes
1answer
888 views

How can I restrict Mac sharing services to a specific network/adapter?

I want is to set up a Mac to connect to multiple networks. So far, so good. However, I only want to grant AFP access to users on ONE of the networks, but not the other. How can I accomplish this on ...