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This Article Applies to:
- Essential/Premium/Ultimate Business Security
- Small Office Protection
Firewall is another major component of protection offered in Essential/Premium/Ultimate Business Security
Firewall monitors all network traffic between devices and the outside world to protect you from unauthorized communication and intrusions. The two profiles you can assign to defined networks are:
- Trusted (Private)—Provides a lower level of security
- Untrusted (Public)—Provides a higher level of security
We recommend you apply the Untrusted profile to all networks that are not your private network, such as when you connect to the Internet in a café or at an airport. Network profiles are one of the rule matching attributes, meaning rules for trusted profiles are not active when connected to a network classified as untrusted and vice versa. Rules can be set to only apply to one profile, or both.
Once this setting is enabled and saved in the Policy, wait approximately 5 minutes for the change to be propagated and reboot the device.
Any networks your device connects to that are assigned specific profiles will be listed in the list of Networks in the UI. Navigate to Protection ▸ Firewall. Click Show Settings beside the network you want to assign a profile to, and indicate whether it is Trusted or Untrusted.
Navigate to Menu ▸ Settings ▸ Protection ▸ Firewall to access these settings. Other settings can be accessed by searching for geek:area in the Menu.
Internet Connection Sharing mode: this option will allow a trusted user to connect to the internet through your PC and/or connect to devices connected to the internet via your PC. This opens additional ports, which could be a security concern.
How should Firewall treat new apps?
You can choose what Firewall does when new apps connect to the Internet from your device. Use the drop-down to choose one of the following:
- Smart mode: Avast will automatically decide what to do based on the trustworthiness of new apps
- Block: block all internet connections for new apps
- Allow: allow all internet connections for new apps
- Ask: ask the user to allow or block internet connections for new apps as they occur
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