__NOTOC__ OPNsense is an open source,

FreeBSD FreeBSD is a free-software Unix-like operating system descended from the Berkeley Software Distribution (BSD). The first version was released in 1993 developed from 386BSD, one of the first fully functional and free Unix clones on affordable ...

-based firewall and routing software developed by Deciso, a company in the Netherlands that makes hardware and sells support packages for OPNsense. Launched in 2015, it is a fork of

pfSense pfSense is a firewall/ router computer software distribution based on FreeBSD. The open source pfSense Community Edition (CE) and pfSense Plus is installed on a physical computer or a virtual machine In computing, a virtual machine (VM) is ...

, which in turn was forked from

m0n0wall m0n0wall was an embedded firewall (networking), firewall distribution of FreeBSD, one of the Berkeley Software Distribution, BSD operating system descendants. It provided a small image which could be put on flash memory, Compact Flash cards as w ...

built on

. When m0n0wall closed down in February 2015 its creator, Manuel Kasper, referred its developer community to OPNsense.

Features

OPNsense has a web-based interface and can be used on the

x86-64 x86-64 (also known as x64, x86_64, AMD64, and Intel 64) is a 64-bit extension of the x86 instruction set architecture, instruction set. It was announced in 1999 and first available in the AMD Opteron family in 2003. It introduces two new ope ...

platform. Along with acting as a firewall, it has

traffic shaping Traffic shaping is a bandwidth management technique used on computer networks which delays some or all datagrams to bring them into compliance with a desired ''traffic profile''. Traffic shaping is used to optimize or guarantee performance, improv ...

, load balancing, captive portal and

virtual private network Virtual private network (VPN) is a network architecture for virtually extending a private network (i.e. any computer network which is not the public Internet) across one or multiple other networks which are either untrusted (as they are not con ...

capabilities, and others can be added via plugins. The software also offers next-generation firewall capabilities utilizing Zenarmor, a NGFW plugin developed by OPNsense partner Sunny Valley Networks.

Domain dispute

In November 2017, a

World Intellectual Property Organization The World Intellectual Property Organization (WIPO; (OMPI)) is one of the 15 specialized agencies of the United Nations (UN). Pursuant to the 1967 Convention Establishing the World Intellectual Property Organization, WIPO was created to pr ...

panel found that Netgate, the copyright holder of pfSense, used the domain opnsense.com in bad faith to discredit OPNsense, and obligated Netgate to transfer domain ownership to Deciso.

Releases

The OPNsense version naming system consists of ''year.month'', since the first release took place in January 2015, it was named release 15.1. OPNsense typically uses a 6 month major release cycle with new releases in January and July of each year.

References

External links

* {{DEFAULTSORT:OPNsense 2015 software BSD software Free routing software FreeBSD Gateway/routing/firewall distribution Operating system distributions bootable from read-only media Wireless access points Software using the BSD license

Features

Domain dispute

Releases

See also

References

Further reading

External links