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Unknown firewall on computer
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Fresh-Faced Recruit
Join Date: Nov 2003
Location: Las Vegas
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Offline
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When I go into system preferences and try to start up the personal firewall, I get a message that there is other firewall software on my computer. But I've never installed any other firewall software. I did a system update last month (10.2.8) and updated Norton Utilities but did not install any firewall software. Any ideas or help would be appreciated!
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Senior User
Join Date: Aug 2002
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Offline
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There a number of programs that make use of the firewall settings, or modify them, to ensure additional protection. The most common culprit is Virtual PC. When you install it, it uses the built-in firewall much as a router to protect itself. This in no way diminishes the protection of your OS X installation, provided of course that you had the firewall already enabled, it simply extends it to cover VPC too. But since VPC is accessing it, the system thinks that another program has been installed and doesn't allow you to edit it.
In my experience this happens while VPC is open, as well as after its been open. In other words, once you restart your computer, if you don't use VPC you can edit the firewall all you want. Once you open it, you start getting the messages you've been getting. And if memory serves (I may be wrong on this part as I don't use VPC anymore) once its been opened, it prevents access to the firewall settings until the next logout and or restart.
But VPC is by no means the only program to cause the symptoms you describe.
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"Design is not just what it looks like and feels like. Design is how it works." - Steve Jobs
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Posting Junkie
Join Date: Feb 2005
Location: 888500128
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Also, a brief word of warning on Norton Utilities:
They are no longer available for OS X, and for very good reason.
Do a search of this forum for many detailed rants on the subject.
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Mac Elite
Join Date: Feb 2003
Location: columbus, oh
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"Another classic science-fiction show cancelled before its time" ~ Bender
15.2" PowerBook 1.25GHz, 80GB HD, 768MB RAM, SuperDrive
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Fresh-Faced Recruit
Join Date: Nov 2003
Location: Las Vegas
Status:
Offline
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Thanks so much! I just installed VPC this week and it didn't occur to me that it could've been the culprit. Problem is, I'm trying to access windows messenger in VPC and am getting a message that a connection couldn't be established. the network administrator (handles windows only) says it's because of firewall software installed but doesn't look like there's any firewall installed on the pc side so we thought it was the mac side. any ideas on this one?
Originally Posted by NeXTLoop
There a number of programs that make use of the firewall settings, or modify them, to ensure additional protection. The most common culprit is Virtual PC. When you install it, it uses the built-in firewall much as a router to protect itself. This in no way diminishes the protection of your OS X installation, provided of course that you had the firewall already enabled, it simply extends it to cover VPC too. But since VPC is accessing it, the system thinks that another program has been installed and doesn't allow you to edit it.
In my experience this happens while VPC is open, as well as after its been open. In other words, once you restart your computer, if you don't use VPC you can edit the firewall all you want. Once you open it, you start getting the messages you've been getting. And if memory serves (I may be wrong on this part as I don't use VPC anymore) once its been opened, it prevents access to the firewall settings until the next logout and or restart.
But VPC is by no means the only program to cause the symptoms you describe.
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