If you find his articles helpful, please consider making a donation to his tip jar. He has owned some PCs along the way - but always came back to the Mac. He has been a Mac user for about 12 years. Steve Watkins is the Vice President for Information Technology for a mid-sized bank, an attorney, and an Army Reserve JAG on extended active duty. Join us on Facebook, follow us on Twitter or Google+, or subscribe to our RSS news feed Which will tell you what firewall ports need to be enabled in order for Network-enabled programs have technical articles on their Web sites Working, check the support Web site for your particular program. If, after installing your firewall, you have applications which quit It to reload each time your Mac boots up.
To close ports,įollow the same steps, but make sure the Action is set toīack at the Quick Configuration screen, select Save,Īpply, and Install to save your configuration and enable Repeat this step for other ports you wish open. Set the SourceĪs The Internet and the Destination as My Change the dropdown menu boxes to Allow Custom Service Go back to the Quick Configuration screen and select Addįilter. QuickTime streams - refer to Apple Knowledge Base articles 60688,Ĥ2604, and 106307 for more information. There may be other ports which need to be opened to enable Among them is TCP port 554 for Real Time Streaming Protocol Instance, to receive QuickTime streaming video, you must open several Require you to either open or close certain ports on your firewall. Over time, you are bound to encounter other programs which will This will prevent your Mac from receive and responding to any The Internet and Destination to My Computer. Now repeat the procedure, except this time change Source to This will prevent your Mac from broadcasting on UDP port 2222. Make sure the Source is MyĬomputer and the Destination is The Internet. In the dropdown boxīeside Action select Deny. Select Add Filter from the menu at the bottom
The tab of the network service you want to add the filter to (AirPort,Įthernet, etc.). Launch BrickHouse, select Quick Configuration, and click on Have noįear - BrickHouse allows you to easily apply this and other filters to
Microsoft article certainly does not explain how to do this. Most users would scratch their head and say, "How do I do that?" The Things, disabling both incoming and outgoing traffic on UDP port To thwart such an attack, Microsoft recommends, among other Open Office applications to shut down immediately, losing any work in
Using this mechanism, it is possible for a hacker to create packetsĪnd direct them at a particular Office v.X installation, causing any
With an identical serial number is found, the application displays a Same serial number are present on the network. When any OfficeĪpplication is launched, it polls other computers on the network in anĪttempt to discover whether any other Office installations with the Pose a serious security risk in a network environment. Microsoft built into Office v.X an anti-pirating "feature" which can This article will show you how to tweak your firewall settings to meet The default settings don't necessarily meet the needs of every user. To set up a basic firewall using the shareware program BrickHouse.īrickHouse provides an easy-to-use graphical interface to activate andĬonfigure the firewall which is built into OS X. Last week, The Practical Mac explained how