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Home » Consumer Support » Bitdefender Firewall: An overview of the Bitdefender Firewall feature

Bitdefender Firewall: An overview of the Bitdefender Firewall feature

Bitdefender Firewall adds an extra layer of protection, by blocking inbound and outbound unauthorized connection attempts, both on local networks and on the Internet. It is quite similar to a guard at your gate – it keeps track of connection attempts and decides which to allow and which to block. Your personal information stays safe from hackers and data snoops.

The Bitdefender Firewall feature

Here are some of the firewall settings:

 

APPLICATION ACCESS

You can easily see the latest 15 programs (processes) for which firewall rules have been created by going to the Application access windows. To do that, you will have to:

1. Click Protection on the left sidebar of the Bitdefender interface.

2. In the FIREWALL pane, click Settings, then Application access.

NOTE: Under normal conditions, Bitdefender automatically creates a rule whenever an application tries to access the Internet. You can also manually add or edit rules for applications.

 

RULES

Bitdefender Firewall uses a set of rules to filter data transmitted to and from your system. It automatically creates a rule whenever an app tries to access the internet. You can also manually add or edit rules for apps. As a safety measure, you will be notified each time a potentially malicious app is blocked from accessing the internet.

In the Rules tab, you can look up the various applications for which rules have already been created. At the same time, you can filter the rules based on the types of networks to which they apply.

For each rule, the following information is displayed:

Network

That is the process and the network adapter types the rule applies to. Rules are automatically created to filter network or Internet access through any adapter. By default, the rules apply to any network. You can manually create rules or edit existing rules to filter an application’s network or Internet access through a specific adapter (for example, a wireless network adapter).

Protocol

The IP protocol the rule applies to. By default, the rules apply to any protocol.

Traffic

The rule applies in both directions, inbound and outbound.

Ports

The PORT protocol the rule applies to. By default, the rules apply to any port.

IP

The internet protocol (IP) the rule applies to. By default, the rules apply to any IP address.

Access

Whether the application is allowed or denied access to the network or internet under the specified circumstances.

 

NETWORK ADAPTERS

Bitdefender automatically assigns a network type to every network connection it detects. Depending on the network type, the firewall protection is set to the appropriate level for each connection.

Whether you connect to the internet using a Wi-Fi or Ethernet adapter, you can configure what settings should be applied for safe navigation. The options you can choose from, are:

• Dynamic – the network type will be automatically set based on the profile of the connected network, Home/Office, or Public. When this happens, only Firewall rules for the specific network type or those defined to apply to all network types will apply.

• Home/Office – the network type will always be Home /Office, disregarding the profile of the connected network. When this happens, only Firewall rules for Home/Office or those defined to apply to all network types will apply.

• Public – the network type will always be Public, disregarding the profile of the connected network. When this happens, only Firewall rules for Public or those defined to apply to all network types will apply.

 

SETTINGS

Users can now enable and disable Stealth Mode and Alert Mode (formerly Paranoid Mode) from the Settings tab.

• In Alert mode, alerts are shown each time an application tries to connect to the internet. When Alert mode is turned on, the Profiles features are automatically switched off. Alert mode can be used simultaneously with Battery Mode.

• Stealth mode establishes whether you can be detected by other computers. Click Edit stealth settings to choose when your device should or should not be visible to other computers.

Users can also choose a default application behavior,​ which allows Bitdefender to apply automatic settings to applications with no defined rules.​ Click Edit default rules to choose whether automatic settings should be applied or not.​

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