Details
A firewall minimizes the threat of unauthorized users from gaining access to your system while connected to a network or the Internet. Which applications are allowed access to accept incoming connections through the firewall is important to understand.
Solution
Perform the following to implement the prescribed state:
1. Open System Preferences
2. Select Security & Privacy
3. Select Firewall Options
4. Select unneeded rules
5. Select the minus sign below to delete them
Alternatively:
1. Edit and run the following command in Terminal to remove specific applications:
/usr/libexec/ApplicationFirewall/socketfilterfw –remove
2. Where is the one to be removed
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Unix.