CFBundleDevelopmentRegion English CFBundleGetInfoString IP network firewall CFBundleIdentifier com.apple.nke.IPFirewall CFBundleInfoDictionaryVersion 6.0 CFBundleName IP Firewall CFBundlePackageType KEXT CFBundleShortVersionString 2.0 CFBundleSignature ipfw CFBundleVersion 2.0 OSKernelResource