Best business firewalls: Which firewall is suitable for your business?
There are countless options to choose from when considering firewall protection. Should you invest in an external firewall, stick with a virtual firewall or take the plunge with both?
The firewalls listed here cater to most sizes of organisation, from small businesses that only require virtual firewalls to larger enterprises that should house external firewall hardware.
With recent data breaches highlighting the importance of securing your network, IT Monteur Firewall Firm investigates the best firewalls on the market for every business’ first line of defence.
Firewalls – Buyer’s Guide and Reviews
A10 Networks
A10 Networks Thunder CFW
Barracuda Networks
Barracuda Networks NG Firewall
Check Point
Check Point Power-1
Check Point
Check Point UTM-1
Check Point
Check Point VPN-1
Check Point
Check Point VSX
Cisco
Cisco Sourcefire Firewalls
Cisco
Cisco ASA
Cisco
Meraki MX Firewalls
Cisco
Cisco Firepower NGFW
Cisco
Cisco ASAv
Fortinet
Fortinet FortiGate
Fortinet
FortiGate-VM
GFI
Kerio Control
Hewlett Packard
Enterprise
3Com H3C Firewall
Hillstone Networks
Hillstone E-Series
Hillstone Networks
Hillstone T-Series
Hillstone Networks
Hillstone X-Series Data Center Firewalls
Hillstone Networks
Hillstone CloudEdge
Intel Security
Intel Security StoneGate
Intel Security
Intel Security Firewall Enterprise MFE
Juniper
Juniper SRX
NetFortris
NetFortris Hosted Firewall
NetFortris
NetFortris Threat Analyzer
OPNsense
OPNsense
Palo Alto Networks
Palo Alto Networks WildFire
Palo Alto Networks
Palo Alto Networks VM-Series
pfSense
pfSense
SonicWall
SonicWall TZ
SonicWall
SonicWall NSA
Sophos
Sophos Cyberoam UTM
Sophos
Sophos UTM
Sophos
Sophos XG
Stormshield
Stormshield Network Security
Trustwave
Trustwave Firewalls
Untangle
Untangle NG Firewall
WatchGuard
WatchGuard XTM
WatchGuard
WatchGuard Firebox
Zscaler
Zscaler Web Security
Top Firewalls Solutions
1
Fortinet FortiGate
The FortiGate family of NG firewalls provides proven protection with unmatched performance across the network, from internal
segments, to data centers, to cloud environments. FortiGates are available in a large range of sizes and form factors and are key
components of the Fortinet Security Fabric, which enables immediate, intelligent defense against known and new threats
throughout the entire network
2
Cisco ASA
Adaptive Security Appliance (ASA) is Cisco’s end-to-end software solution and core operating system that powers the Cisco ASA
product series. This software solution provides enterprise-level firewall capabilities for all types of ASA products, including blades,
standalone appliances and virtual devices. Adaptive Security Appliance provides protection to organizations of all sizes, and
allows end-users to access information securely anywhere, at any time, and through any device.Adaptive Security Appliance is
also fully compatible with other key security technologies, and so provides organizations with an all-encompassing security
solution.
3
Sophos UTM
The global network of highly skilled researchers and analysts, protecting businesses from known and emerging malware – viruses,
rootkits and spyware.
4
pfSense
Providing comprehensive network security solutions for the enterprise, large business and SOHO, pfSense solutions bring
together the most advanced technology available to make protecting your network easier than ever before. Our products are built
on the most reliable platforms and are engineered to provide the highest levels of performance, stability and confidence.
5
Palo Alto Networks WildFire
WildFire™ cloud-based threat analysis service is the industry’s most advanced analysis and prevention engine for highly evasive
zero-day exploits and malware. The cloud-based service employs a unique multi-technique approach combining dynamic and
static analysis, innovative machine learning techniques, and a groundbreaking bare metal analysis environment to detect and
prevent even the most evasive threats.
6
Sophos Cyberoam UTM
Cyberoam Unified Threat Management hardware appliances offer comprehensive security to organizations, ranging from large
enterprises to small and branch offices. Multiple security features integrated over a single, Layer 8 Identity-based platform make
security simple, yet highly effective.
7
SonicWall TZ
The secure, sophisticated SonicWALL TZ is widely deployed at small businesses, retail, government, remote sites and branch
offices. It combines high-performance intrusion prevention, malware blocking, content/URL filtering and application control.
8
Meraki MX Firewalls
With the proliferation of modern applications and mixed-use networks, host and port based security is no longer sufficient. Cisco
Meraki’s layer 7 “next generation” firewall, included in MX security appliances and every wireless AP, gives administrators
complete control over the users, content, and applications on their network.
9
WatchGuard XTM
Small businesses need big security, too, and the WatchGuard XTM Series firewall/VPN appliances deliver that strong protection Ð
but without the hefty price tag. Enterprise-grade security includes full HTTPS content inspection, VoIP support, and optional
security subscriptions like Application Control and Intrusion Prevention Service.
10
Juniper SRX
High-performance security with advanced, integrated threat intelligence, delivered on the industry’s most scalable and resilient
platform. SRX Series gateways set new benchmarks with 100GbE interfaces and feature Express Path technology, which enables
up to 1 Tbps performance for the data center.
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pfSense is an open source security solution with a custom kernel based on the FreeBSD OS. It is a software distribution that is customised especially to be used as a firewall and router. This open source firewall can be installed on bare metal hardware and be managed entirely through a Web interface. Apart from firewalling and routing platforms, you can expand its functionality by using its many features, without adding bloat and potential security vulnerabilities to the base distribution.
ClearOS is a CentOS based open source firewall that transforms your standard PC into a committed firewall and Internet server/gateway. ClearOS has three editions: ClearOS Business, ClearOS Home and ClearOS Community. The community edition is free for a lifetime but for the other two, you need to purchase a subscription. It is one of the best open source firewalls for small to mid-sized businesses (SMBs). It is a complete network solution and you can extend the functionality by installing the apps such as the bandwidth manager, DHCP server, DMZ, DNS server and more.
Features
Firewall, networking and security
Provides several levels of security
Bandwidth QoS manager
DMZ, 1-to-1 NAT and port forwarding
At the protocol level, the peer-to-peer detection system lets you manage file sharing usage
Intrusion detection and intrusion prevention systems
Virtual private networking
Web proxy and content filtering
IPFire
IPFire
IPFire is built on top of Netfilter and is an open source distribution. IPFire was designed with both modularity and a high level of flexibility in mind. It can be used as a firewall, proxy server or VPN gateway. The IDS (intrusion detection system) is inbuilt, so attacks are detected and prevented from Day One. And with the help of Guardian (an optional add-on), you can implement automatic prevention.
Features
Stateful packet inspection (SPI)
Proxy server with content filter and caching functionality
Intrusion detection system
VPN via IPsec and OpenVPN
DHCP server
Caching name server
Time server
Wake-on-LAN (WOL)
Dynamic DNS
OPNsense
OPNsense
OPNsense is an open source, easy-to-use and easy-to-build FreeBSD based firewall and routing platform. It includes most of the features available in expensive commercial firewalls, and more. OPNsense offers the rich feature set of commercial offerings with the benefits of open and verifiable sources.
Features
Traffic shaper
Captive portal
Forward caching proxy
Virtual private network
High availability and hardware failover
Intrusion detection and inline prevention
Built-in reporting and monitoring tools
Support for plugins
DNS server and DNS forwarder
DHCP server and relay
VyOS
VyOS
VyOS is an open source network operating system based on Linux and includes multiple applications such as Quagga, ISC DHCPD, OpenVPN, StrongS/WAN and others, under a single management interface. It can be installed on any physical hardware, on a virtual machine or a cloud platform.
Features
VLANs
Static and dynamic routing
Firewall rulesets for IPv4 and IPv6 traffic
Tunnel interfaces
PPPoE, GRE, IPIP, SIT, static L2TPv3, VXLAN
VPN
NAT
DHCP and DHCPv6 server and relay
NetFlow and sFlow
Web proxy and URL filtering
QoS policies (drop tail, fair queue, and others), traffic redirection
VRRP, connection table synchronisation
Smoothwall
Smoothwall
Smoothwall is a Linux distribution designed to be used as an open source firewall. It is configured via a Web based GUI and requires little or no knowledge of Linux to install and use it. Smoothwall Express supports LAN, DMZ, internal/external network firewalling, Web proxy for acceleration, traffic stats, etc. Shutting down or rebooting is possible directly through the Web interface.
Features
Supports LAN, DMZ and wireless networks
External connectivity via Static Ethernet, DHCP Ethernet, PPPoE, PPPoA using various USB and PCI DSL modems
Port forwards, DMZ pin-holes
Outbound filtering
Timed access
Simple to use Quality-of-Service (QoS)
Traffic stats, including per interface and per IP totals for weeks and months
IDS via automatically updated Snort rules
UPnP support
List of bad IP addresses to block
Untangle
Untangle
Untangle NG Firewall takes the complexity out of network security—saving users’ time. This firewall is intended to balance performance and protection, policy and productivity. It’s an ideal fit for a range of organisations seeking a powerful, cost-effective network security solution that can handle any IT challenge — from small, remote offices to diverse school campuses and large, distributed organisations. The NG Firewall has different software modules that can be enabled or disabled as per individual requirements. These software modules are also called apps. They are both free and paid apps. So, for full functionality, you have to buy subscriptions for what you want.
Features
Virus blocker
Firewall
Web monitor
Spam Blocker Lite
Ad blocker
OpenVPN
Captive portal
Intrusion prevention
Phish blocker
Endian Firewall
Endian Firewall
Endian Firewall is a full-featured unified threat management solution, which uses the stateful packet inspection concept based firewall. It can be deployed as a proxy, gateway, and router with Open VPN.
Some of the features provided by the Endian Firewall are displayed in Figure 6.
Endian is a bi-directional firewall
It protects the network from Internet threats
By analysing the traffic flow, it prevents intrusion into the network
It has VPN with IPsec, which provides a secure and simple VPN tunnel through which many users can connect from a remote location
Moonwall provide a firewall based on FreeBSD and a combination of other software utilities.
pfSense is a free open source firewall and router.
Shorewall firewall is a tool designed to configure Netfilter.
Smoothwall Express is an open source firewall based on a hardened GNU/Linux OS.
StillSecure deliver a software based firewall solution known as Cobia. Cobia can be installed on VMware as well. Cobia includes the ability to perform Routing, DHCP, DNS, Wireless, Firewall, VPN, Content Filtering, Reporting and more. Cobia can use modules provided by StillSecure or other third party organisations and developers. Cobia software comes as a public community license and a commercial use license. Via the StillSecure Community License, users can freely download and modify the source code.
Vyatta Core is an open source firewall offering IPv4 and IPv6 routing, intrusion prevention , stateful firewalling, IPSec and SSL OpenVPN and more.
Zeroshell is a Linux based firewall. The firewall has some good functionality such as the ability to load balance internet connections, integrate with LDAP, captive portal for web login authentication and more.
Zorp is an application layer firewall based on the Python scripting language.
Firewall Management Software Solutions Vendor List
AlgoSec deliver Firewall Analyzer which provides firewall policy auditing, policy cleanup, risk analysis, change monitoring and more. Algosec supports all the major firewall vendors. Algosec also offer AlgoSec FireFlow which is a change management solution.
Athena Security have a solution known as FirePAC that can clean up firewall policies, provide auditing and optimisation. Athena Security also offer a free tool called Firewall Browser which can help you find rules based on certain network criteria and supports Cisco, Checkpoint and Netscreen firewalls.
Secure Passage is a specialist in managing firewalls and offer a solution called Firemon. Firemon will give you visibility to unused rules and which rules are used and the frequency they are used. Firemon supports a large range of firewalls such as Cisco Checkpoint and others. Firemon also supports routers and load balancers. The solution will help you keep in control of your firewall policies, provide PCI DSS assistance, policy cleanup and provides other advantages as well.
Skybox Security is a firewall management device that helps controlling firewall risks and provides visibility of network topology and firewall device configuration.
Tufin SecureTrak delivers firewall management, auditing and change control and automation.
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What is Firewall? A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.
Secure your network at the gateway against threats such as intrusions, Viruses, Spyware, Worms, Trojans, Adware, Keyloggers, Malicious Mobile Code (MMC), and other dangerous applications for total protection in a convenient, affordable subscription-based service. Modern threats like web-based malware attacks, targeted attacks, application-layer attacks, and more have had a significantly negative effect on the threat landscape. In fact, more than 80% of all new malware and intrusion attempts are exploiting weaknesses in applications, as opposed to weaknesses in networking components and services. Stateful firewalls with simple packet filtering capabilities were efficient blocking unwanted applications as most applications met the port-protocol expectations. Administrators could promptly prevent an unsafe application from being accessed by users by blocking the associated ports and protocols.
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