Huawei gives HarmonyOS. A strong reply to Google

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  Huawei introduced HarmonyOS at its annual developers conference. According to CEO Richard Yu, this new operating system of the company was being worked on since 2017 and the product working on this OS will also be introduced tomorrow under Honor. With the new operating, Huawei aims to provide an open source platform that can be used from smartphones to TVs, laptops and even cars                          HarmonyOS is the company's new OS based on MicroKernel. This means that it will use the least amount of resources, ensuring that the operating speed is fast. It is open source and comes with TEE (Trusted Executive Environment) for better security across devices. Harmony operating system has arc compiler, which supports all major languages ​​including C /, C ++, Java, JavaScript and Kotlin. During the keynote, Richard stated that HarmonyOS can replicate Android, but currently the company...
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What Is Firewall? Types Of Firewall? Full Details

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What Is Firewall? Types Of Firewall?  Full Details

Firewall is hardware or software that blocks or allows connections to a network based on the settings in the firewall known as rules. This way, a firewall secures a network from unauthorized access.
Firewall
Source Google.com
A firewall is use full in a scenario where you want to prevent unauthorized connections to and from a network. these connections are known as incoming connections and outgoing connections, respectively. For example, you are assigned a task to prevent users from accessing some social networking websites.you can configure a rule in the firewall to block all connection to the IP address of the website by the creating an outgoing rule that is based on the IP address of the website.All the connections to the IP address of the site will be blocked and all the other rules will be allowed.

The firewalls can be of the following types:


Firewall
Source Google.com

  • Hardware firewall: These are specialized and dedicated hardware devices that allow or block connection based on the rules.An example of the hardware firewall is a firewall built into the router. Such a router can also support the NAT/PAT feature. This type of firewall is useful in protecting all the computers in a corporate environment. As a result, a hardware firewall can be used as a network-based firewall.




  • Software firewall: These firewalls are included in the operating system or can be installed in the operating system. these firewalls are Host-based firewalls.These firewalls are widely used by individuals and end users. Software firewalls are easier to configure and customize. An example of the software firewall is Windows Firewall. It is build-in the Operating System.

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