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NPF is a BSD licensed stateful packet filter, a central piece of software for firewalling. It is comparable to iptables, ipfw, ipfilter and PF. NPF is developed on NetBSD.
Features & Overview
Explore the main themes, entities and connections around NPF (firewall). Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
npf netbsd packet filter features bsd stateful conf mindaugas rasiukevicius release written website firewalling iptables ipfw ipfilter pf custom free
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| NPF (firewall) | License | BSD license | 1.00 | infobox |
| NPF (firewall) | Operating system | NetBSD | 1.00 | infobox |
| NPF (firewall) | Original author | Mindaugas Rasiukevicius | 1.00 | infobox |
| NPF (firewall) | Release | October 17, 2012; 13 years ago (2012-10-17) | 1.00 | infobox |
| NPF (firewall) | Repository | github.com/rmind/npf | 1.00 | infobox |
| NPF (firewall) | Type | packet filter, Firewall | 1.00 | infobox |
| NPF (firewall) | Website | www.netbsd.org/~rmind/npf/ | 1.00 | infobox |
| NPF (firewall) | Written in | C | 1.00 | infobox |
| packet logging | instance of | Features | 0.80 | text |
| traffic normalization | instance of | Features | 0.80 | text |
| random blocking are provided as NPF extensions | instance of | Features | 0.80 | text |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.