11.9. Summary

ALF can be used to limit access that specific applications have in accessing network resources. In this chapter we spent a good amount of time looking at ALF. We first looked at configuring ALF from the System Preferences and then from the command line. We then switched into looking at a different firewall, which controls network access at a port level, meaning that all configurations per port are made for all applications. Given that there are no built-in graphical controls for ipfw, we only looked at configuring it from the command line; however, there are a number of third-party solutions that will allow you to configure ipfw without going to the command line.

All of these changes are made on wireless and wired clients alike. ...

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