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Thread: Incoming settings in MAC Firewall

  1. #1
    Join Date
    Nov 2009
    Posts
    753

    Incoming settings in MAC Firewall

    Hi,
    How to manually configure the Snow Leopard firewall. This is because I think this can create problem in my wireless printer sharing service which is need to be configured for my local area network. I don't know weather the firewall is working or not but as indicated I have to configure it manually for some incoming connections. I need some steps on the same. Thanks in advance.

  2. #2
    Join Date
    Jan 2006
    Posts
    4,224

    Re: Incoming excepstion settings in MAC Firewall

    The firewall is disabled by default. All incoming connections are obviously allowed. To enable and configure, click on the padlock in the bottom left of the window, then type your administrator password. Finally click on the Start button to activate the firewall. The firewall is now enabled, but it is necessary to set. To do this, click the Advanced button. Here you can configure that as per your need.

  3. #3
    Join Date
    Jan 2006
    Posts
    3,798

    Re: Incoming excepstion settings in MAC Firewall

    You can see a tab called Block all incoming connections. If you select this button, only remote connections essential services on your Mac will be allowed. But what are these essential services. It is necessary that this services are set to enable by default. But if you does not know much about it then you can use a third party antivirus tool for the same issue.

  4. #4
    Join Date
    May 2008
    Posts
    2,945

    Re: Incoming excepstion settings in MAC Firewall

    The essential services are a set of applications allowing your computer to discover services provided by other computers on the network. This setting prevents connections so with any other service or any other application sharing. This setting leaves open the necessary ports to the system as Hello, DHCP or IPSec, etc. If you check this box, the firewall will block all shared services such as file sharing, screen sharing, iChat Bonjour and iTunes music sharing.

  5. #5
    Join Date
    Feb 2008
    Posts
    2,638

    Re: Incoming excepstion settings in MAC Firewall

    That's right better do not disable them. Just below the first button, you will find a mini-window that allows settings to add / delete and configure incoming connections. In my list under the same windows I have 2 sharing services and two corresponding elements in two applications Check-Up and an extension belonging to Image Transfer. This are are the allowed connections. You can add more there if you want.

  6. #6
    Join Date
    Apr 2008
    Posts
    3,425

    Re: Incoming settings in MAC Firewall

    Once if you enabled sharing the services thus are visible in the list of firewall. To prevent incoming connections with one of these services, you must disable the service concerned in the panel Sharing. If you enable a sharing service, such as file sharing, Mac OS X opens a specific port on the firewall for communication service to work. This is automatic and you do not need to manually configure the firewall.

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