Firewall si Stealth Mode on Mac, are additional security measures of prevention of cyber attacks from within the local area network (LAN) or from the internet. With the help firewall internet access may be blocked for services, applications or programs. macOS Firewall Security.
From 2013 until today we have not used one antivirus software or firewall for macOS. Although I browse dozens of web pages almost daily, I've never been a target of hackers or to infect the Mac. To a very large extent, this is due to the internal protection system of macOSThat comes with firewall integrated, prevention solutions for installing and running suspicious applications. macOS Security.
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How do you activate? Firewall si Stealth Modes on Mac
By default, firewall is not enabled during installation macOS, but this connection filtering system can be started by each user, following a few simple steps from tutorial From lower:
1. Go to “System Preferences"The"Security & Privacy".
2. In "System & Privacy"Let's go to the tab"Firewall", Then click on the padlock in the lower left corner to access the sensitive security options of the macOS.
This is an added security macOS. No changes can be made security settings or changes that may affect sensitive data, if not entered administrator password al macOS.
3. Click on the lock, then enter system password or if we have a Apple Watch connected to the same account iCloud and set to unlock macOS, we press the side button twice al Apple Watch.
4. Click on "Turn on Firewall".
From this moment, firewall is activated (On), and users can choose which applications, services, or programs are allowed to connect to the computer. Input connections can be filtered. For example, we may prohibit all incoming connection of a program that we do not want to have access to the Internet.
These filters can be set from "Firewall Options".
What is a Stealth Modes in the settings Firewall on macOS? Enable stealth Fashion
The invisible mode (stealth mode) is very useful when you need extra security, especially when you are connected with your MacBook to Wi-Fi networks other than the trusted ones from the office or home.
"Stealth Fashion”Will do that Mac not to answer type queries ICMP (ping) para unauthorized applications. Thus, it will not reveal its existence in the network and will remain invisible.
Specifically, with this option enabled, Mac will no longer respond to Ping unless given by authorized applications. Firewall si Stealth Modes on Mac.
All you need to do to activate this feature is on macOS, is to check the option “Enable stealth mode" in "Firewall Options”. Click "Ok" to save the changes.
