Editing Nmap (section)

==License==
Nmap was originally distributed under the [[GNU General Public License]] (GPL).<ref name="phrack51" /> In later releases, Nmap's authors added clarifications and specific interpretations to the license where they felt the GPL was unclear or lacking.<ref name="nmap_license">{{cite web |title=Important Nmap License Terms |url=https://svn.nmap.org/nmap/COPYING |publisher=Nmap.org |access-date=2018-10-29 |archive-date=2018-07-20 |archive-url=https://web.archive.org/web/20180720051328/https://svn.nmap.org/nmap/COPYING |url-status=dead }}</ref> For instance, Nmap 3.50 specifically revoked the license of [[SCO Group]] to distribute Nmap software because of their views on the [[SCO-Linux controversies]].<ref>{{cite web |title=Nmap 3.50 Press Release |url=https://insecure.org/stf/Nmap-3.50-Release.html |date=2004-02-20 |access-date=2018-10-29}}</ref>

Starting with version 7.90, Nmap transitions to a new custom license NPSL, dual-licensing versions 7.90, 7.91, and 7.92 under both old and new licenses.<ref>{{cite web |title=Nmap Public Source License |url=https://nmap.org/npsl/ |publisher=Nmap.org |access-date=2021-12-15}}</ref> Several Linux distributions consider the new license non-free.<ref>{{cite web |url=https://lists.fedoraproject.org/archives/list/legal@lists.fedoraproject.org/thread/GZIDC4DHXZP67LFU7P2OT2AQVDJRHZ2M/ |title=Nmap Public Source License (NPSL) Version 0.92 |publisher=Fedora Mailing-Lists |access-date=2021-12-15}}</ref><ref>{{cite web |url=https://bugs.gentoo.org/show_bug.cgi?id=749390 |title=Add NPSL (nmap license) to MISC_FREE |publisher=Gentoo's Bugzilla |access-date=2021-12-15}}</ref>