This license was originally noted here: http://email@example.com/msg04177.html
Previously mrouted was non-free software, primarily due to restrictions on redistribution. However, in March 2003 the OpenBSD project managed to convince  Stanford to change the license to the 3-clause BSD license, effectively making mrouted free software.
A copy of the old, obsolete, non-free mrouted license is included here for historical and documentation purposes only.
The mrouted program is covered by the following license. Use of the mrouted program represents acceptance of these terms and conditions. 1. STANFORD grants to LICENSEE a nonexclusive and nontransferable license to use, copy and modify the computer software ``mrouted'' (hereinafter called the ``Program''), upon the terms and conditions hereinafter set out and until Licensee discontinues use of the Licensed Program. 2. LICENSEE acknowledges that the Program is a research tool still in the development state, that it is being supplied ``as is,'' without any accompanying services from STANFORD, and that this license is entered into in order to encourage scientific collaboration aimed at further development and application of the Program. 3. LICENSEE may copy the Program and may sublicense others to use object code copies of the Program or any derivative version of the Program. All copies must contain all copyright and other proprietary notices found in the Program as provided by STANFORD. Title to copyright to the Program remains with STANFORD. 4. LICENSEE may create derivative versions of the Program. LICENSEE hereby grants STANFORD a royalty-free license to use, copy, modify, distribute and sublicense any such derivative works. At the time LICENSEE provides a copy of a derivative version of the Program to a third party, LICENSEE shall provide STANFORD with one copy of the source code of the derivative version at no charge to STANFORD. 5. STANFORD MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. By way of example, but not limitation, STANFORD MAKES NO REPRESENTATION OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE LICENSED PROGRAM WILL NOT INFRINGE ANY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS. STANFORD shall not be held liable for any liability nor for any direct, indirect or consequential damages with respect to any claim by LICENSEE or any third party on account of or arising from this Agreement or use of the Program. 6. This agreement shall be construed, interpreted and applied in accordance with the State of California and any legal action arising out of this Agreement or use of the Program shall be filed in a court in the State of California. 7. Nothing in this Agreement shall be construed as conferring rights to use in advertising, publicity or otherwise any trademark or the name of ``Stanford''. The mrouted program is COPYRIGHT 1989 by The Board of Trustees of Leland Stanford Junior University.