NPF (firewall)

NPF (firewall)

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.

History

NPF was primarily written by Mindaugas Rasiukevicius. Work on NPF was sponsored by the NetBSD Foundation. The initial code was committed in NetBSD CVS repositories on August 22, 2010. NPF first appeared in NetBSD 6.0.

Features

  • NPF is designed for high performance on multi-core and multi-processor machines, and for easy extensibility. The packet filter will no longer be the bottleneck in a multicore router.
  • The packet-inspection engine is inspired by BPFs (N-Code processor)
  • The syntax for configuration and utilities (npfctl) is familiar for users of PF

External links


v · NetBSD Project
Operating system
Related projects
pkgsrc · IPFilter · Automated Testing Framework · netpgp · tnftp
Notable subsystems
Veriexec · busdma · PUFFS · RUMP · NPF
v · d · eFirewall software
Application firewall · Context-based access control · Personal firewall · Stateful firewall · Unified threat management · Virtual firewall
Windows
Commercial
Freeware
Open-source
PeerBlock · PeerGuardian
Mac OS X
Unix-like
Arptables · ClearOS · Endian Firewall · FireHOL · Firestarter · IPCop · IPFilter · IPFire · Ipfirewall · Iplist · Iptables · L7-filter · M0n0wall · MoBlock · Netfilter · NuFW · PF · pfSense · Sentry Firewall · Shorewall · SmoothWall · Untangle · Zentyal · Zeroshell
Appliances
Cisco Secure Integrated Software · Novell BorderManager · Vyatta · ZoneAlarm Z100G · Zorp firewall
Comparison of firewalls · List of router or firewall distributions

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