SELinux and Patents
Bernhard Reiter
bernhard at intevation.de
Thu Jun 13 08:57:20 UTC 2002
http://lwn.net/Articles/2376/
Much of the actual work in the implementation of SELinux was done by
Secure Computing Corporation (SCC). SCC, in its implementation of
SELinux, used a technology that it calls type enforcement. As it
turns out, SCC has a patent on this technology.
...
At that time, SCC put up an SELinux FAQ stating:
...
There will be no restrictions on the use of TE
by the Linux open source community....
...
Recently, this page has been removed from the SCC web site -
a move which should be of concern to anybody who is relying on
web-based promises about access to patented technology.
...
So, SCC may eventually do the right thing (from the free
software community's point of view) and preserve the free licensing
of SELinux.
...
Either way, this situation shows, yet another time, the sort
of threat that software patents pose to free software.
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