Quad9 - Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
Kaspersky Security for Internet Gateways - Kaspersky Security for Internet Gateways offers secure internet access for the employees.
NextDNS - Block ads, trackers and malicious websites on all your devices.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.
McAfee SmartFilter - McAfee Web Protection is a web security solution that includes an on-premises secure web gateway and SaaS-based web security delivered from the cloud.