The Difference Between Windows Firewall And Linux Firewall

The Difference Between Windows Firewall And Linux Firewall

 

Generally, a firewall monitors and controls the incoming and outgoing network traffic to prevent malicious activities.

 

Every operating system has its own built-in firewall, but Linux has its own Linux firewall, which some people prefer to Windows’ firewall.

 

The purpose of this article is to provide you with more details regarding the difference between Windows Firewall and Linux Firewall, along with the pros and cons of Linux firewalls, so that you can make an informed decision.

 

Differences Between Windows Firewall And Linux Firewall

Linux Firewall and Windows Firewall differ in their approach to managing connections with other devices and applications. All of these systems can block unauthorized access by defining rules based on a specific set of criteria or settings, such as:

  • IP addresses of the source and destination
  • The Port Number and Protocol Type (TCP or UDP)
  • Name of Protocol

A Linux firewall is control by the Netfilter Linux kernel subsystem, which use to configure incoming connections policies.

Windows Firewall works differently since it’s controlled by a program running in user mode.

It doesn’t provide all the features Linux offers, but it has some advantages over Linux, such as automatically allowing new programs to communicate through the windows firewall without requiring you to configure anything.

When using a dual-stack connection, the other main difference is how they manage outgoing traffic such as DNS requests or gaming packets.

The use of both IPv[subsc]v[subsc] and IPv[subscc][sup*], in a network configuration.

Linux firewalls send packets using IPv{subsc}v{subsc}. As a result, if there is no response from the external server on the other side of your connection, Linux firewall will switch to using IPv[sup*] for you to improve your experience.

Windows Firewall does not support this function, so all outgoing traffic must go via ipv{supsc}.

Linux firewalls have some advantages over windows firewalls since they allow ICMP echo request delaying.

The advanced firewall feature allows administrators to control the rate at which they’re sent out, so attackers can’t easily identify and exploit them.

Firewalls for Linux systems come with this as a built-in feature, whereas Windows systems do not come with these capabilities, but third-party programs can install.

Linux and Windows firewalls use routing tables to manage incoming traffic, but Linux uses the Netfilter Linux kernel subsystem instead of a user-mode program like Windows Firewall.

Linux uses iproute files to manage incoming connections, whereas Windows uses its own protocol configurations for outgoing connections.

The Windows firewall comes preinstalled on all Microsoft OSs, while the Linux firewall is not available on most distributions of Linux.

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