Netfilter Insights

What is Netfilter?

Netfilter is a framework provided by the Linux kernel that allows various networking-related operations to be implemented in the form of customized handlers. It offers packet filtering, network address translation (NAT), and other packet mangling. It is commonly used for building firewalls, load balancers, and other network security appliances.

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What other technologies are related to Netfilter?

Netfilter Complementary Technologies

OpenWRT

OpenWRT is a Linux-based operating system primarily used on embedded devices to route network traffic. Netfilter (iptables) is a core component for its firewall and NAT functionality, making them strongly complementary.

mentioned alongside Netfilter in 5% (89) of relevant job posts

iptables

iptables is the classic user-space firewall administration tool that configures the Netfilter kernel framework. Thus, it is a complementary tool and essential part of netfilter.

mentioned alongside Netfilter in 3% (136) of relevant job posts

TC

TC (Traffic Control) is often used with Netfilter to shape and manage network traffic based on rules defined by iptables, allowing for advanced Quality of Service (QoS) configurations. Thus, it complements Netfilter.

mentioned alongside Netfilter in 7% (58) of relevant job posts