It makes it difficult to configure.Īlso Read: Protect Your PC With The Best Free Firewall Software 2. To define the rules for filtering the data, the person must be familiar with various TCP/IP protocols.But it doesn’t examine the data itself which makes it less secure. The Packet filtering firewall only filters the data based on the SA, DA, Port numbers, and Protocols.Because it uses less of the system’s resources, it promotes speedy transmission through the firewall.ĭisadvantages of using a Packet Filtering firewall:.Therefore, it requires less of the system’s resources. The Packet Filtering Firewall filters the data based on SA, DA, Port number, and Protocols.Source: īenefits of Using a Packet Filtering Firewall are: This type of Firewall is also known as a stateless firewall.
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