List of the Top 9 Secure Web Gateways for Linux in 2025

SKUDONET offers IT executives an affordable solution that emphasizes ease of use and adaptability, ensuring optimal performance and security for IT services. With this innovative platform, you can seamlessly improve the security and reliability of your applications through an open-source ADC, allowing for significant cost savings and unparalleled flexibility within your IT framework. This approach not only streamlines operations but also empowers organizations to respond swiftly to changing technology needs.

Kasm Workspaces enables you to access your work environment seamlessly through your web browser, regardless of the device or location you are in. This innovative platform is transforming the delivery of digital workspaces for organizations by utilizing open-source, web-native container streaming technology, which allows for a contemporary approach to Desktop as a Service, application streaming, and secure browser isolation. Beyond just a service, Kasm functions as a versatile platform equipped with a powerful API that can be tailored to suit your specific requirements, accommodating any scale of operation. Workspaces can be implemented wherever necessary, whether on-premise—including in Air-Gapped Networks—within cloud environments (both public and private), or through a hybrid approach that combines elements of both. Additionally, Kasm's flexibility ensures that it can adapt to the evolving needs of modern businesses.

UTunnel Secure Access offers solutions including Cloud VPN, ZTNA, and Mesh Networking to facilitate secure remote connections and reliable network performance. ACCESS GATEWAY: Our Cloud VPN as a Service allows for the rapid deployment of VPN servers on either Cloud or On-Premise setups. By employing OpenVPN and IPSec protocols, it ensures secure remote connections complemented by policy-driven access controls, enabling businesses to establish a robust VPN network effortlessly. ONE-CLICK ACCESS: The Zero Trust Application Access (ZTAA) feature revolutionizes secure interaction with internal business applications such as HTTP, HTTPS, SSH, and RDP. Users can conveniently access these services via their web browsers without the necessity of any client-side applications. MESHCONNECT: This solution, combining Zero Trust Network Access (ZTNA) and mesh networking, offers detailed access controls tailored to specific business network resources and fosters the formation of secure, interconnected business networks for enhanced collaboration. SITE-TO-SITE VPN: Additionally, the Access Gateway allows for the establishment of secure IPSec Site-to-Site tunnels, which facilitate connections between UTunnel's VPN servers and other network infrastructure components like gateways, firewalls, routers, and unified threat management (UTM) systems, thereby enhancing overall network security. By integrating these features, UTunnel Secure Access is committed to providing comprehensive solutions that meet the evolving needs of modern businesses.

The CacheGuard product range revolves around a foundational offering known as CacheGuard-OS. When installed on either a physical or virtual machine, CacheGuard-OS effectively converts that system into a robust network appliance. This newly formed appliance can serve multiple functions as various types of gateways that enhance the security and efficiency of your network. Below is a concise overview of the various CacheGuard appliances available. - Web Gateway: exercise control over organizational web traffic and filter out undesirable web access. - UTM (Unified Threat Management): protect your networks from a wide array of online threats using a combination of a firewall, antivirus at the gateway, VPN server, and a filtering proxy. - WAF (Web Application Firewall): prevent harmful requests from reaching your essential web applications and safeguard your enterprise. The WAF incorporates OWASP rules while allowing for the creation of custom rules, along with an IP reputation filtering system that enables the blocking of IPs identified in real-time blacklists. - WAN Optimizer: optimize the flow of your vital network traffic, conserve bandwidth, and ensure high availability for your internet connection through the use of multiple ISPs. Each appliance is designed to address specific network challenges, ultimately providing comprehensive solutions tailored to your organization’s needs.

Perimeter 81 is transforming the landscape of network security with its innovative SaaS solution that delivers tailored networking and top-tier cloud protection. By streamlining secure access to networks, clouds, and applications for today's distributed workforce, Perimeter 81 empowers businesses of all sizes to operate securely and confidently within the cloud. Unlike traditional hardware firewalls and VPNs, Perimeter 81 offers a cloud-based, user-focused Secure Network as a Service that utilizes Zero Trust and Software Defined Perimeter security frameworks. This modern approach not only enhances network visibility but also ensures effortless integration with leading cloud providers and facilitates smooth onboarding for users. The result is a comprehensive security solution that adapts to the needs of contemporary organizations while promoting a more agile and secure working environment.

WebTitan serves as a DNS-based web content filtering system and security layer designed to defend against cyber threats, including malware, ransomware, and phishing attacks, while also offering detailed control over web content. The WebTitan Cloud for Wi-Fi is specifically tailored for cloud-based content filtering in Wi-Fi settings, addressing the risk of guests encountering inappropriate websites and harmful malware. This solution enables you to manage the type of content accessible to users, fostering a secure internet browsing environment while generating reports on network activity for your organization. Powered by an advanced AI-driven real-time content categorization engine, WebTitan combines top-notch antivirus capabilities with cloud infrastructure, making it a perfect fit for organizations seeking robust protection with minimal upkeep. Furthermore, WebTitan Cloud is designed to be low maintenance and can be implemented in just five minutes, effectively preventing users from accessing undesirable online content. Take advantage of WebTitan's free trial today, complete with full support to help you get started seamlessly.

DNSFilter is a cloud-oriented DNS security solution aimed at shielding users from harmful websites, phishing schemes, and unsuitable content in real time. Leveraging its AI-driven Webshrinker technology, it perpetually analyzes and classifies web domains to maintain current threat defenses. The platform supports various deployment options, including configurations without agents and dedicated clients compatible with multiple operating systems, making it suitable for both onsite and remote work situations. It features comprehensive reporting, adjustable filtering rules, and compliance assistance for legislation such as CIPA, which makes DNSFilter particularly beneficial for sectors like education, healthcare, and corporate security. Additionally, its global Anycast network boosts speed and reliability, ensuring uninterrupted protection while maintaining optimal browsing performance. By prioritizing user safety and adaptability, DNSFilter stands out as a robust choice for organizations seeking to enhance their cybersecurity measures.

Fortinet emerges as a key global player in the cybersecurity sector, notable for its comprehensive and integrated approach to safeguarding digital infrastructures, devices, and applications. Founded in 2000, the organization provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. A cornerstone of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly combines various security tools to enhance visibility, automation, and provide real-time threat intelligence across the entire network. Renowned for its dependability among businesses, government agencies, and service providers worldwide, Fortinet prioritizes innovation, scalability, and performance, thereby reinforcing its defenses against the constantly shifting landscape of cyber threats. In addition to its protective capabilities, Fortinet’s dedication to enabling digital transformation and ensuring business continuity highlights its essential role within the cybersecurity landscape, positioning itself as a trusted partner for organizations striving to navigate modern security challenges effectively. With a focus on proactive measures and cutting-edge solutions, Fortinet continues to adapt and evolve to meet the demands of an increasingly complex digital world.

The iboss Zero Trust Secure Access Service Edge (SASE) transforms the way modern enterprises approach network security by facilitating secure and swift direct-to-cloud connections. Central to iboss Zero Trust SASE is the implementation of stringent access protocols that guarantee only verified and permitted users and devices gain access to network resources, irrespective of their physical location. This is accomplished through a robust array of security services founded on the principle of "never trust, always verify," which encompasses advanced threat protection, malware defense, data loss prevention (DLP), CASB, RBI, ZTNA, and real-time examination of encrypted traffic. Designed with a cloud-native foundation, iboss Zero Trust SASE offers unmatched visibility into user activities and sensitive data exchanges, streamlining the journey toward a secure digital transformation. This modern solution empowers organizations to implement a more adaptable, perimeter-less security approach, accommodating the fluid work environments characteristic of today's workforce. Ultimately, with iboss Zero Trust SASE, businesses can confidently leverage cloud technologies and mobile work arrangements while maintaining robust security measures, thereby achieving an essential equilibrium between operational efficiency and protective strategies in the rapidly changing cyber landscape. Furthermore, this innovative architecture not only addresses current security challenges but also prepares organizations for future threats, ensuring resilience in an increasingly digital world.