Best Firewall Software - Page 7

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)

nxtgenit

What is NxtFireGuard? NxtFireGuard is a real-time threat intelligence and automated IP blocklist management platform that helps IT and network security teams protect their infrastructure against malicious traffic without relying on static, manually maintained blocklists. Unlike traditional firewall blocklists that go stale within hours, NxtFireGuard continuously ingests threat data from an organization's existing firewalls, honeypots, and AAA servers, scores every suspicious IP in real time, and automatically enforces blocking decisions across connected firewalls all without requiring a dedicated security team to operate it. How NxtFireGuard works: NxtFireGuard collects threat signals from your existing network infrastructure and combines them with community-sourced intelligence from all NxtFireGuard users worldwide. When a traffic sensor detects an IP that exceeds a configurable block threshold, NxtFireGuard validates and executes the block automatically. Blocked IPs are continuously re-evaluated and removed the moment they are no longer a threat, keeping blocklists lean and current at all times. Key Features: Multi-source threat ingestion, Connects to existing firewalls (Cisco Firepower, Palo Alto NGFW, OPNsense), honeypots (T-Pot), and AAA servers (Cisco ISE) without replacing existing infrastructure Live traffic analysis, Lightweight traffic sensors monitor every connection in real time, scoring source and destination IPs locally to minimize latency Community threat intelligence, Each NxtFireGuard deployment can contribute to a shared global threat pool; when one organization detects a malicious IP, all users are protected instantly Automatic IP re-evaluation, Blocked IPs do not remain blocked indefinitely; NxtFireGuard continuously rescores and removes clean IPs automatically Whitelist & threshold controls, Custom block thresholds per blocklist and IP whitelisting across the entire organization Complete audit trail, Every threat event, block action, and configuration change is logged and fully searchable Deployment & Compatibility: NxtFireGuard is designed for rapid deployment, most organizations are up and running in under 30 minutes with no weeks-long rollout. The platform is compatible with any firewall that supports external blocklists via HTTPS, including Palo Alto, Cisco, and most enterprise appliances. Who is NxtFireGuard for? NxtFireGuard is built for IT teams, network administrators, and security-conscious organizations that want enterprise-grade, always-current IP threat blocking without the overhead of a dedicated security operations center. It is particularly suited for mid-sized businesses and enterprises operating distributed infrastructure in Europe and beyond.

Who Is the Company Behind nxtgenit?

OneFirewall

OneFirewall Alliance is a UK-based cybersecurity company headquartered in London. It operates a crowd-sourced Cyber Threat Intelligence (CTI) platform built on an alliance of 180+ organisations worldwide. Member organisations share vetted threat indicators — malicious IP addresses, domains, URLs, and malware signatures — which are consolidated, enriched, and distributed in real time as actionable feeds for automated blocking. The platform covers the full defensive lifecycle: from intelligence ingestion and threat validation through to enforcement at the firewall, IPS, WAF, mobile endpoint, and DNS layer.

Who Is the Company Behind OneFirewall?

pfSense Plus

Who Is the Company Behind pfSense Plus?

  • Seller: Netgate
  • Year Founded: 2002
  • HQ Location: Austin, US
  • Twitter: @NetgateUSA
    8,683 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    117 employees on LinkedIn®

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How it works

PT Telecom Attack Discovery

PT Telecom Attack Discovery is designed to provide security monitoring, up-to-the-minute detection of anomalous activity, and protection of the signaling network perimeter.

Who Is the Company Behind PT Telecom Attack Discovery?

RdpGuard

FastGlacier is a freeware Windows Client for Amazon Glacier.

Who Is the Company Behind RdpGuard?

Remote Desktop Firewall

RDPFirewall try to protect your server or computer while using remote desktop service. RDPFirewall futures : 1 - Detect and block brute force attacks 2 - Black Countries 3 - OTP for your remote desktop 4 - Detect Suspected Users 5 - Change remote desktop port 6 - Black times

Who Is the Company Behind Remote Desktop Firewall?

Rocket CORBA

Micro Focus offers enterprises I-DBC to eliminate the risks of deploying CORBA or other IIOP based applications over the Internet or other networks outside the firewall. The IIOP DBC acts as a security gateway firewall that can be integrated transparently into existing systems without having to modify the existing software system.

Who Is the Company Behind Rocket CORBA?

  • Seller: Rocket Software
  • Year Founded: 1990
  • HQ Location: Waltham, MA
  • Twitter: @Rocket
    3,532 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4,417 employees on LinkedIn®

Secure Guard

SecureGuard is a powerful firewall and threat management platform built for secure, simple, and reliable network protection.

Who Is the Company Behind Secure Guard?

Sense Defence Next-Gen AI WAF

Sense Defence Next-Gen AI WAF is a web application firewall (WAF) that uses artificial intelligence (AI) and next-generation technologies to provide advanced security for web applications. We aim to provide a more effective and efficient means of protection by detecting and blocking malicious traffic and adapting to new and changing threats using our proprietary AI engine.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate Sense Defence Next-Gen AI WAF?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.9/10)

Who Is the Company Behind Sense Defence Next-Gen AI WAF?

  • Seller: Sense Defence
  • Year Founded: 2022
  • HQ Location: London, GB
  • Twitter: @sensedefenceltd
    2 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Sense Defence Next-Gen AI WAF?

Signaling Firewall & Network Security

Mobileum’s Cross-Protocol Signaling Firewall is an AI-powered security platform that protects telecom networks across SS7, Diameter, GTP, and HTTP/2 protocols. It combines intelligent threat detection with protocol-specific firewalls to safeguard signaling infrastructure, prevent fraud, and ensure end-to-end visibility across legacy and next-gen networks. Product Spotlight: - AI-Powered Security: Leverages AI-driven analytics to detect and prevent 99.9% of signaling fraud, ensuring real-time protection for telecom networks. - Cross-Protocol Defense: Provides layered protection for SS7, GTP, Diameter, and 5G Core signaling, ensuring seamless network security. - Real-Time Anomaly Detection: Reduces false positives by 40% with machine learning–based anomaly detection across signaling traffic. - Automated Threat Mitigation: Responds to threats within milliseconds, automatically blocking unauthorized access and securing sensitive subscriber data. Key Benefits: - Advanced Protection: Stops 99.9% of telecom fraud with firewalls designed for each protocol. - Seamless Integration: Deploys across legacy and next-gen telecom infra (2G-5G, IMS). - Real-Time Response: Threats blocked within milliseconds with automated rule-based actions. Read more: https://www.mobileum.com/products/network-security-management/interconnect-protection/cross-protocol-signaling-firewall

Who Is the Company Behind Signaling Firewall & Network Security?

  • Seller: Mobileum
  • HQ Location: Cupertino, California, United States
  • Twitter: @mobileum_
    2,884 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,998 employees on LinkedIn®

Tehtris XDR

Master the risks and finally tame the unknown with TEHTRIS XDR Platform and its sophisticated technologies for detection and response to security incidents.

Who Is the Company Behind Tehtris XDR?

  • Seller: Tehtris
  • Year Founded: 2010
  • HQ Location: PESSAC, FR
  • LinkedIn® Page: fr.linkedin.com
    181 employees on LinkedIn®

ThreatX

ThreatX is managed API and application protection that lets you secure them with confidence, not complexity. It blocks botnets and advanced attacks in real time, letting enterprises keep attackers at bay without lifting a finger. Trusted by leaders like BMC Software, Epsilon and Reltio, ThreatX profiles attackers and blocks advanced risks to protect APIs and applications 24/7.

Average Rating: 4.5/5.0

Total Reviews: 5

How Do G2 Users Rate ThreatX?

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

Who Is the Company Behind ThreatX?

  • Seller: ThreatX
  • Year Founded: 2014
  • HQ Location: Boston, US
  • Twitter: @threatx_inc
    930 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    14 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 60% Large, 20% Medium

What Are Recent G2 Reviews of ThreatX?

TinyWall

TinyWall includes a combination of features that sets it apart from both commercial and freeware firewalls.

Who Is the Company Behind TinyWall?

  • Seller: TinyWall
  • Year Founded: 2014
  • HQ Location: Coimbatore, IN
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

TotalHeal DNSGuard

TotalHeal DNSGuard is the DNS Firewall & Security product of TotalHeal, the security platform made in India by Freaquer Corporation Private Limited. Stop malicious and look-alike domains before a connection is made. It is managed from the TotalHeal console together with the other TotalHeal products, under one account and one bill. TotalHeal is available as a cloud service and for on-premises deployment. Every organisation can start a 30-day free trial from the console.

Who Is the Company Behind TotalHeal DNSGuard?

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