Best Firewall Software - Page 4

How Many Firewall Software Products Does G2 Track?

Total Products under this Category: 115

Category Stats (Nov 2026)

  • Average Rating: 4.42/5 (↓0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Palo Alto Networks Cloud NGFW (+0.35%) - Among all products in this category, Palo Alto Networks Cloud NGFW recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Firewall Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 5,400+ Authentic Reviews
  • 115+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Firewall Software

G2 Grid® for Firewall Software plotting products by satisfaction and market presence

Highlighted products: Sophos Firewall, FortiGate-VM NGFW, Palo Alto Networks Cloud NGFW, Check Point Next Generation Firewalls (NGFWs), Zscaler Internet Access, Arista NG Firewall, Check Point Cloud Firewall (formerly CloudGuard Network Security), and Palo Alto Networks Next-Generation Firewalls.

Underlying data: [Grid® JSON](https://www.g2.com/categories/firewall-software/grids.json?focus%5B%5D=sophos-firewall&focus%5B%5D=fortigate-vm-ngfw&focus%5B%5D=palo-alto-networks-cloud-ngfw&focus%5B%5D=check-point-next-generation-firewalls-ngfws&focus%5B%5D=zscaler-internet-access&focus%5B%5D=arista-ng-firewall&focus%5B%5D=check-point-cloud-firewall-formerly-cloudguard-network-security&focus%5B%5D=palo-alto-networks-next-generation-firewalls)

AVG Internet Security Business Edition

More powerful than ever, our latest edition works even harder and smarter for you and your business. It comes with - * Accelerated scanning engine * Link protection * Enhanced Firewall * Advanced encryption for your critical folders and files * Secure deletion of unwanted files * Protects against Ransom ware * Email Server Security * Email Protection * Remote admin Tools * 24/7 support

Average Rating: 4.2/5.0

Total Reviews: 34

How Do G2 Users Rate AVG Internet Security Business Edition?

  • Has the product been a good partner in doing business?: 7.9/10 (Category avg: 8.9/10)
  • Availability: 10.0/10 (Category avg: 8.9/10)
  • Intrusion Prevention: 10.0/10 (Category avg: 9.0/10)
  • Continuous Analysis: 10.0/10 (Category avg: 8.7/10)

Who Is the Company Behind AVG Internet Security Business Edition?

  • Seller: Gen Digital
  • Year Founded: 2022
  • HQ Location: Tempe, Arizona
  • Twitter: @GenDigitalInc
    4,481 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    3,497 employees on LinkedIn®
  • Ownership: NASDAQ: GEN

Who Uses This Product?

  • Top Industries: Information Technology and Services
  • Company Size: 60% Small, 23% Large

What Are Recent G2 Reviews of AVG Internet Security Business Edition?

What Are G2 Users Discussing About AVG Internet Security Business Edition?

Cisco Adaptive Security Device Manager (ASDM)

Cisco Adaptive Security Device Manager (ASDM) lets you manage Cisco Secure Firewall ASA and the Cisco AnyConnect Secure Mobility Client through a local, web-based interface.

Average Rating: 4.0/5.0

Total Reviews: 2

How Do G2 Users Rate Cisco Adaptive Security Device Manager (ASDM)?

  • Availability: 10.0/10 (Category avg: 8.9/10)
  • Intrusion Prevention: 10.0/10 (Category avg: 9.0/10)
  • Continuous Analysis: 10.0/10 (Category avg: 8.7/10)

Who Is the Company Behind Cisco Adaptive Security Device Manager (ASDM)?

  • Seller: Cisco
  • Year Founded: 1984
  • HQ Location: San Jose, CA
  • Twitter: @Cisco
    720,366 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    95,294 employees on LinkedIn®
  • Ownership: NASDAQ:CSCO

Who Uses This Product?

  • Company Size: 50% Large, 50% Medium

What Are Recent G2 Reviews of Cisco Adaptive Security Device Manager (ASDM)?

IPCop Firewall

The IPCop Firewall is a Linux firewall distribution It is geared towards home and SOHO users.

Average Rating: 3.8/5.0

Total Reviews: 2

Who Is the Company Behind IPCop Firewall?

  • Seller: IPCop
  • Year Founded: 2004
  • HQ Location: Xiamen, CN
  • Twitter: @ipcop
    193 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Small

What Are Recent G2 Reviews of IPCop Firewall?

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Traffic Inspector

An all-in-one Windows-based software solution for network security, web access control and traffic analysis. Traffic Inspector gives you a plethora of tools needed to protect your network, including a secure firewall, a spam filter, Traffic Inspector Anti-Virus powered by Kaspersky and anti-phishing protection.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate Traffic Inspector?

  • Has the product been a good partner in doing business?: 6.7/10 (Category avg: 8.9/10)
  • Availability: 8.3/10 (Category avg: 8.9/10)
  • Intrusion Prevention: 10.0/10 (Category avg: 9.0/10)
  • Continuous Analysis: 10.0/10 (Category avg: 8.7/10)

Who Is the Company Behind Traffic Inspector?

Who Uses This Product?

  • Company Size: 50% Medium

What Are Recent G2 Reviews of Traffic Inspector?

What Are G2 Users Discussing About Traffic Inspector?

AhnLab XTG

AhnLab XTG(TrusGuard) is the next-generation network firewall offering powerful features and performance including ZTNA to safeguard an organization’s digital future. Why AhnLab XTG(TrusGuard) • Comprehensive ZTNA AhnLab XTG thoroughly verifies the identity of all users and devices inside and outside the network, ensuring minimum privileges and delivering resilient zero trust security. • High-Performance Traffic Processing AhnLab XTG delivers unparalleled traffic processing, a core capability of firewalls by pulling together high-performance hardware, multi-core distribution technology, software acceleration technology, 100G interfaces, and more. • Fueling Secure Remote Access AhnLab XTG supports IPSec and SSL VPNs to forge a secure channel for remote access and communication with various IoT devices. In addition, its “Quantum-VPN (Q-VPN)” provides strong and indecipherable security leveraging quantum password technology. Key Features • Firewall Features AhnLab XTG indeed offers genuine yet top-class firewall features. With its unrivaled traffic processing performance, it intricately allows or blocks inbound and outbound traffic, considering various attributes such as user, device, IP, and URL. • IPSec and SSL VPN IPSec VPN provides secure communication between corporate headquarters and branches, as solid as dedicated lines, while SSL VPN protects network connection from various devices such as PCs, mobile, and IoT devices. • Network Threat Response AhnLab XTG delivers exceptional threat detection and response capabilities by integrating with our industry-leading threat intelligence. The most up-to-date malware and vulnerability signatures always keep our customers cyber-secure. • Application Control AhnLab XTG intricately controls various applications that adversaries can exploit for their malicious campaigns. The next-gen firewall offers distinctive features like application behavior control and unknown application control to prevent breaches from materializing. • Blocking Malicious Websites & C2 IPs Our threat intelligence unit, ASEC, conducts ongoing investigations into malicious websites and C2 IPs at a global scale. It empowers our firewall with up-to-date intelligence in a timely manner to defend against the latest cyber threats at any given moment. • Malware Prevention AhnLab XTG excels in malware filtering by harnessing our renowned AV engine. The next-gen firewall also interacts with our sandbox, AhnLab MDS, to safeguard customers against known and unknown malware or ransomware.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind AhnLab XTG?

  • Seller: AhnLab
  • Year Founded: 1995
  • HQ Location: Seongnam-si, KR
  • Twitter: @AhnLab_SecuInfo
    2,971 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    691 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of AhnLab XTG?

AWS Network Firewall

AWS Network Firewall is a managed service that enables users to deploy essential network protections for all their Amazon Virtual Private Clouds (VPCs. It allows the creation of firewall rules to control network traffic and automatically scales to meet the demands of your infrastructure. With AWS Network Firewall, you can centrally manage security policies across existing accounts and VPCs, ensuring consistent enforcement of mandatory policies. Key Features and Functionality: - Automatic Scaling: The service automatically scales to protect your managed infrastructure, adapting to changing traffic patterns and workloads. - Customizable Rules Engine: Define thousands of custom rules tailored to your unique workloads, providing fine-grained control over network traffic. - Centralized Management: Manage security policies across multiple accounts and VPCs from a single point, simplifying administration and ensuring consistent policy enforcement. - Inbound Traffic Inspection: Inspect inbound traffic using features such as stateful inspection, protocol detection, and encrypted traffic inspection to prevent and detect intrusions. - Active Threat Defense: Leverage AWS global threat intelligence to automatically protect your environment against dynamic security events, blocking known and emerging threats throughout the attack lifecycle. - Outbound Traffic Filtering: Deploy outbound traffic filtering to prevent data loss, meet compliance requirements, and block known malware communications. - Secure Direct Connect and VPN Traffic: Secure traffic from client devices and on-premises environments using AWS Direct Connect and VPN, supported by AWS Transit Gateway. Primary Value and Problem Solved: AWS Network Firewall provides a scalable and flexible solution for securing network traffic within AWS environments. By offering customizable rules, centralized management, and integration with AWS services, it simplifies the deployment and management of network security measures. This service addresses the challenge of protecting workloads against dynamic and evolving security threats, ensuring compliance, and preventing data loss, all while reducing the operational burden on security teams.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate AWS Network Firewall?

  • Intrusion Prevention: 10.0/10 (Category avg: 9.0/10)

Who Is the Company Behind AWS Network Firewall?

  • Seller: Amazon Web Services (AWS)
  • Year Founded: 2006
  • HQ Location: Seattle, WA
  • Twitter: @awscloud
    2,232,483 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    148,266 employees on LinkedIn®
  • Ownership: NASDAQ: AMZN

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of AWS Network Firewall?

BIG-IP Carrier-Grade Network Address Translation (CGNAT)

F5's BIG-IP Carrier-Grade Network Address Translation is a robust solution designed to address the challenges of IPv4 address exhaustion and facilitate a seamless transition to IPv6. By efficiently managing IP address resources, it ensures uninterrupted connectivity for both existing and new applications, even amidst increasing demands from consumers and devices. Key Features and Functionality: - Network Scalability: Supports a high number of IP address translations, rapid NAT translation setup rates, and substantial throughput, enabling service providers to manage extensive concurrent sessions effectively. - IPv4 and IPv6 Support: Facilitates the coexistence of IPv4 and IPv6 devices and applications, ensuring a smooth migration path without the need for costly hardware upgrades. - Security Integration: When combined with BIG-IP Advanced Firewall Manager , it offers a comprehensive security platform that includes DDoS protection, access control lists , and intrusion prevention systems . - Flexible Deployment Options: Available as high-performance hardware appliances, virtual network functions , cloud-native network functions , or in hybrid configurations, providing adaptability to various network architectures. Primary Value and User Solutions: BIG-IP CGNAT addresses the critical issue of IPv4 address depletion by enabling service providers to extend the usability of existing IPv4 resources while planning for a seamless transition to IPv6. Its high scalability and performance ensure that networks can handle increasing traffic demands without compromising on speed or reliability. The integration with advanced security features allows for a consolidated approach to network management, reducing operational complexities and costs. By offering flexible deployment options, it caters to diverse network environments, ensuring that service providers can maintain optimal performance and security as they evolve their infrastructure.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate BIG-IP Carrier-Grade Network Address Translation (CGNAT)?

  • Has the product been a good partner in doing business?: 6.7/10 (Category avg: 8.9/10)
  • Availability: 7.5/10 (Category avg: 8.9/10)
  • Intrusion Prevention: 7.5/10 (Category avg: 9.0/10)
  • Continuous Analysis: 8.3/10 (Category avg: 8.7/10)

Who Is the Company Behind BIG-IP Carrier-Grade Network Address Translation (CGNAT)?

  • Seller: F5
  • HQ Location: Seattle, Washington
  • Twitter: @F5Networks
    1,385 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6,247 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of BIG-IP Carrier-Grade Network Address Translation (CGNAT)?

BorderWare Firewall Server

BorderWare Firewall Server is a network security software that eliminates vulnerabilities and costs associated with a separate firewall and operating system.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate BorderWare Firewall Server?

  • Availability: 10.0/10 (Category avg: 8.9/10)
  • Intrusion Prevention: 10.0/10 (Category avg: 9.0/10)
  • Continuous Analysis: 10.0/10 (Category avg: 8.7/10)

Who Is the Company Behind BorderWare Firewall Server?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of BorderWare Firewall Server?

What Are G2 Users Discussing About BorderWare Firewall Server?

Evorim FreeFirewall

Free firewall is a full-featured professional firewall that protects against the threats of the Internet. Control every program on your computer by permit or deny access to the Internet. Free firewall notifies you when applications want to access the Internet in the background without your knowledge. In monitoring mode, no software can access the Internet or network without your prior authorization. You have full control over the flow of data out of your system and into.

Average Rating: 4.0/5.0

Total Reviews: 1

Who Is the Company Behind Evorim FreeFirewall?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Evorim FreeFirewall?

(Federal) VM-Series Next-Generation Firewall Bundle 2

The VM-Series next-generation firewall with USG support license allows you to embed inline threat prevention into your application development workflows in AWS Gov regions. Native AWS services combined with VM-Series automation features allow you to create "touchless" deployments

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate (Federal) VM-Series Next-Generation Firewall Bundle 2?

  • Intrusion Prevention: 10.0/10 (Category avg: 9.0/10)

Who Is the Company Behind (Federal) VM-Series Next-Generation Firewall Bundle 2?

  • Seller: Palo Alto Networks
  • Year Founded: 2005
  • HQ Location: Santa Clara, CA
  • Twitter: @PaloAltoNtwks
    128,951 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    23,492 employees on LinkedIn®
  • Ownership: NYSE: PANW

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of (Federal) VM-Series Next-Generation Firewall Bundle 2?

G Data Internet Security 2013

G DATA Internet Security with Antivirus and exploit protection! Security against viruses, spyware, hackers and malware.

Average Rating: 4.0/5.0

Total Reviews: 1

Who Is the Company Behind G Data Internet Security 2013?

  • Seller: G Data Software
  • Year Founded: 1985
  • HQ Location: Bochum, DE
  • Twitter: @GDataSoftwareAG
    14 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    399 employees on LinkedIn®
  • Phone: +49 234 97620

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of G Data Internet Security 2013?

What Are G2 Users Discussing About G Data Internet Security 2013?

illustria

illustria Inline Gateway provides superior protection by residing directly within the systems it safeguards, enabling us to not only inspect but also secure the environment effectively. The fine-grained policy mechanism allows us to create preemptive firewall rules, thereby mitigating the threats posed by malicious actors. Our novel approach to runtime protection involves the injection of an additional dependency within the code. This process, facilitated through code injection, enables real-time Continuous Integration and Continuous Delivery (CICD) processes, without the need for full product redeployment.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind illustria?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of illustria?

IPFire

IPFire is a professional-grade, open-source firewall and security platform designed to safeguard networks of all sizes, from home offices to large enterprises. Built on a Linux foundation, it emphasizes security, performance, and flexibility, offering a comprehensive suite of features to protect against evolving cyber threats. With an intuitive web-based management interface, IPFire simplifies complex configurations, making robust network security accessible to both technical and non-technical users. Key Features and Functionality: - Advanced Firewall Engine: Utilizes Stateful Packet Inspection (SPI to monitor and control network traffic, allowing for detailed rule sets and protection against Denial-of-Service (DoS attacks. - VPN Support: Offers secure connectivity through IPsec, OpenVPN, and WireGuard protocols, enabling encrypted communication between remote offices, data centers, and remote workers. - Intrusion Detection and Prevention System (IDS/IPS: Powered by Suricata, it analyzes network traffic in real-time to detect and block malicious activities, enhancing overall network security. - Web Proxy with Content Filtering: Incorporates a powerful web proxy to manage internet access and filter content, ensuring compliance with organizational policies and safeguarding users from harmful websites. - Traffic Shaping and Quality of Service (QoS: Allows prioritization of essential services like VoIP and video conferencing, ensuring optimal performance even during peak usage. - Modular Add-on System: Provides flexibility to extend functionality with various add-ons, catering to specific organizational needs. Primary Value and User Solutions: IPFire addresses the critical need for robust and adaptable network security in an increasingly digital world. By offering a comprehensive, open-source solution, it empowers organizations to protect their networks against a wide array of cyber threats without the high costs associated with proprietary systems. Its user-friendly interface and modular design ensure that businesses can tailor the firewall to their specific requirements, enhancing both security and operational efficiency. Regular updates and a supportive community further ensure that IPFire remains a reliable and up-to-date choice for network protection.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate IPFire?

  • Availability: 10.0/10 (Category avg: 8.9/10)
  • Intrusion Prevention: 10.0/10 (Category avg: 9.0/10)
  • Continuous Analysis: 10.0/10 (Category avg: 8.7/10)

Who Is the Company Behind IPFire?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of IPFire?

Juniper vSRX

The vSRX offers the same features as our physical SRX Series firewalls but in a virtualized form factor for delivering security services that scale to match network demand.

Average Rating: 4.0/5.0

Total Reviews: 1

Who Is the Company Behind Juniper vSRX?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Juniper vSRX?

What Are G2 Users Discussing About Juniper vSRX?

Privatefirewall

Entrerprise threat prevention and security intelligence software.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Privatefirewall?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Privatefirewall?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Privatefirewall?

What Are G2 Users Discussing About Privatefirewall?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated March 4, 2025