AlienVault USM (from AT&T Cybersecurity)
Nessus
Qualys
Sumo Logic
Burp Suite
Acunetix Vulnerability Scanner
SaltStack
Netsparker
netfilter
Murus Firewall
Gufw
Little Snitch
TinyWall
ufw
pfSense
Windows 10 Firewall Control
netfilternetfilter might be a bit more popular than AlienVault USM (from AT&T Cybersecurity). We know about 1 link to it since March 2021 and only 1 link to AlienVault USM (from AT&T Cybersecurity). 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.
AlienVault (Now AT&T Security USM-Anywhere) should do good things right out of the gate. I like its focus on Kill Chain Taxonomy. If you have no idea what is going on with your network, AlienVault gets you good information quickly. https://cybersecurity.att.com/products/usm-anywhere. Source: almost 2 years ago
The netfilter subsystem handles this, it's part of the Linux Kernel and part of all linux distros that don't use a custom kernel. You can read more about it here. Source: about 3 years ago
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Murus Firewall - Murus is a frontend for the OS X PF network firewall.
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
Gufw - Gufw is an easy, intuitive way to manage your Linux firewall.
Sumo Logic - Sumo Logic is a secure, purpose-built cloud-based machine data analytics service that leverages big data for real-time IT insights
Little Snitch - Little Snitch is a firewall application that monitors and controls outbound internet traffic.