Firewall vs Antivirus

Firewall vs Antivirus

26/08/2022 Information 0

What is a Firewall?

A firewall is a common method for protecting your local computer assets from external threats. A firewall is intended to filter IP addresses as they travel from the network to your computer. It also efficiently protects your local system as well as your network while allowing you to connect to the internet or a wide-area network at the same time. For starters, it ensures the transfer of any traffic from the outside to the inside or vice versa. This employs a trusting system with a secure operating system, making it resistant to infiltration. Firewalls are classified into three types: circuit gateways, application gateways, and packet filters.

Circuit Gateway: It is similar to an application portal, but it has some additional features, such as the ability to create a new connection between the remote host and itself. The IP source address in the packets can also be changed from the end-IP user’s address. The source IP address is hidden in this manner.

Packet filter: Packet filters are also called filtering and stream filters. The packet filter passes the packet after applying some rules (forward or discard) and making decisions based on the results.

Application gateway: The Proxy server is also identified. Because it acts as a proxy or replacement for the application, controls the flow of traffic, and protects the source IP from the rest of the world.

What is Antivirus?

An antivirus is a software application that provides Internet protection against malicious programs. Nevertheless, removing them from the environment connected to the Internet is extremely hard or almost impossible. The antivirus follows a detection, recognition and elimination strategy.

Removal: Eventually, Antivirus takes steps to delete and restore the original backup file/program from the infected file.

Detection: The app detects malware attacks and locates the file or application that is corrupted.

Identification: It recognizes the type of virus after it is identified

Due to the improvement of viruses and antivirus technology, several generations have evolved from antivirus. Historically, this was not the scenario until viruses easily detected and removed code fragments were discovered.

Key differences between Firewall and Antivirus

Let us discuss some key differences between Firewall vs Antivirus in the following points:

  1. A firewall can be employed for software as well as hardware; antivirus can only be applied for software.
  2. Antivirus conducts screening, including identification, naming, and deletion. Alternatively, firewall controls and processes input and output sets.
  3. External attacks are only managed by Firewalls, while Antivirus manages external and internal threats.
  4. When the attack firewall is checked, certain rules are applied based on inbound packets. In comparison, malicious files and applications corrupted by antivirus are scanned and checked. IP spoofing and routing attacks are strategies that may theoretically compromise the protection of the packet filters.
  5. A network protocol firewall protects your device, thereby blocking vulnerable port packets, whereas an anti-virus prevents malicious data on the level of the file.
  6. The monitoring capability of the firewall is based on a pre-defined set of rules. Whereas the monitoring capability of antivirus is based on techniques imposed by the manufacturer.


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