Based on our record, Plasma Firewall seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
According to the KDE page here, it supports UFW or FirewallD as the firewall program to use. Source: over 2 years ago
Symantec Email Security.cloud - Symantec Email Security.cloud provides always-on, inbound and outbound email security against malware, targeted attacks, and advanced threats
ufw - Ufw stands for Uncomplicated Firewall, and is program for managing a netfilter firewall.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Nufw - NuFW is a GPL extension to Netfilter (that is Linux firewall). It adds identity-based filtering, i.
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
Emsisoft Online Armor Firewall - Emsisoft Online Armor Firewall is a freemium online firewall protection system by the Emsisoft that is based on the own independent protection technology of the Emsisoft.