p0f is a tool that uses an array of sophisticated, purely passive traffic fingerprinting mechanisms.
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Category: Security
PacketFence – network access control solution
PacketFence is a network access control (NAC) solution. Boasting an impressive feature set this is free and open source software.
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Vuurmuur – powerful firewall manager built on top of iptables
Vuurmuur is a powerful firewall manager built on top of iptables on Linux. It has a simple and easy to learn configuration that allows simple and complex configurations.
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ufw – manages a netfilter firewall
ufw stands for Uncomplicated Firewall. This is software for managing a netfilter firewall.
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gufw – manage your firewall
gufw is a graphical user interface for Ubuntu’s Uncomplicated Firewall.
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iptables – configure the Linux kernel and later packet filtering ruleset
iptables is a user space application program that allows a system administrator to configure the Netfilter tables, chains, and rules.
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Shorewall – gateway/firewall configuration tool
The Shoreline Firewall, more commonly known as “Shorewall”, is an open source firewall tool that builds upon the Netfilter.
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firewalld – dynamically managed firewall
firewalld provides a dynamically managed firewall with support for network/firewall zones.
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nftables – in-kernel packet classification framework
nftables replaces the popular {ip,ip6,arp,eb}tables. This software also provides libnftables.
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lua-resty-waf – High Performance WAF Built on the OpenResty Stack
lua-resty-waf is a high performance web application firewall (WAF) written for the OpenResty stack, leveraging the scalable architecture of Nginx, while providing a ModSecurity-compatible rule syntax.
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