I'm running macOS Sierra 10.12.4 and am trying to open a port (12345). I can't use the GUI firewall tool as it's app specific, not port specific. I have tried the following this article, but it did not work. When I run sudo pfctl -f /etc/pf.conf I get:
How to enable and disable Firewall on Mac - MacPaw May 24, 2018 Top 15 Apple Firewall Apps for MacOS X - Quertime Jul 02, 2018 Cannot enable firewall on MacOS - McAfee Support Community Once I updated MacOS High Sierra to 10.13.2, the firewall could not be turned on. In the McAfee Total Protection console, I am seeing "Turn on Firewall", with a "Turn on" button. When I click that, the console refreshes and I once again see "Turn on Firewall". I read Document ID TS102623. Going into Mac Firewall: 6 Questions, 6 Answers [5 Best Firewalls
A protip by gavinbunney about mac osx and firewall. So.. you turned on the firewall on your remote Mac, and now you've locked yourself out of Screen Sharing?
Jul 10, 2017 · This is really the only situation where you’d get a benefit out of enabling your Mac’s firewall, at least for desktop PCs. If you’re using Mac OS X as a server system that’s exposed directly to the Internet, you’ll obviously want to lock it down as much as possible with a firewall.
Mac Security: Firewalls | Macworld Our Advice. For most users, the firewalls built into OS X are enough. Enable OS X’s basic socket-filter firewall via the Security preference pane (we recommend that you choose Set Access For Murus - macOS Firewall Unchained macOS Firewall Unchained. PF unveiled. macOS features one of the best network firewalls: PF (Packet Filter). It comes in an "under the hood" fashion, installed and disabled by default. Murus' purpose is to unleash its potential. With its easy and intuitive icons-based and drag&drop-based interface, visual layers of abstraction and a friendly How to Manage Firewall in Mac? » WebNots Nov 09, 2018