dalla licenza di Fedora Linux:

5. EXPORT CONTROL. As required by U.S. law, User represents and
warrants that it: (a) understands that the Software is subject to
export controls under the U.S. Commerce Department's Export
Administration Regulations ("EAR"); (b) is not located in a
prohibited destination country under the EAR or U.S. sanctions
regulations (currently Cuba, Iran, Iraq, Libya, North Korea, Sudan
and Syria); (c) will not export, re-export, or transfer the
Software to any prohibited destination, entity, or individual
without the necessary export license(s) or authorizations(s) from
the U.S. Government; (d) will not use or transfer the Software for
use in any sensitive nuclear, chemical or biological weapons, or
missile technology end-uses unless authorized by the
U.S. Government by regulation or specific license; (e) understands
and agrees that if it is in the United States and exports or
transfers the Software to eligible end users, it will, as required
by EAR Section 741.17(e), submit semi-annual reports to the
Commerce Department's Bureau of Industry & Security (BIS), which
include the name and address (including country) of each
transferee; and (f) understands that countries other than the
United States may restrict the import, use, or export of
encryption products and that it shall be solely responsible for
compliance with any such import, use, or export restrictions.