macos is shipped with the “conventional” firewall DISABLED and has “Utility Firewall”^1(not reference). My understanding is
- the applying firewall, identical to Home windows Firewall, offers us per-app web filtering management. Apple’s declare is that The appliance firewall alone is sweet sufficient for normal mac utilization and that is why the firewall(which supplies the standard per-zone semantic management?) is disabled by default?
- With none third social gathering software program, customers solely have on/off management over incoming connection of apps^2
- pf can be utilized to do what may be achieved with firewalld^4
pf is properly documented by BSD so no downside there. The place would I have the ability to discover official documentation on the applying firewall for devs? I do not like the truth that I am relying an excessive amount of on weblog posts relating to firewall on mac.
I would like these questions answered:
- Is it a good suggestion to make use of
socketfilterfw^3, which is in libexec, not bin or sbin? I feel it is imagined to be the back-end executable for the settings app. - With out resorting to third social gathering proprietary software program, is it attainable to do extra fine-grained tuning of per-app firewall settings, identical to what Home windows Firewall presents? For instance, in Home windows, guidelines may be set to permit/block outgoing or incoming ICMP or UDP packets for a particular app(exe). One thing comparable may be achieved in Linux utilizing selinux. How is it achieved with macos?