ZyXEL Communications ZYWALL USG 20 Manual page 928

Appendix E Open Software Announcements
The Modifications which You create or to which You contribute are governed by the
terms of this License, including without limitation Section 2.2. The Source Code
version of Covered Code may be distributed only under the terms of this License
or a future version of this License released under Section 6.1, and You must
include a copy of this License with every copy of the Source Code You distribute.
You may not offer or impose any terms on any Source Code version that alters or
restricts the applicable version of this License or the recipients' rights hereunder.
However, You may include an additional document offering the additional rights
described in Section 3.5.
3.2. Availability of Source Code.
Any Modification which You create or to which You contribute must be made
available in Source Code form under the terms of this License either on the same
media as an Executable version or via an accepted Electronic Distribution
Mechanism to anyone to whom you made an Executable version available; and if
made available via Electronic Distribution Mechanism, must remain available for at
least twelve (12) months after the date it initially became available, or at least six
(6) months after a subsequent version of that particular Modification has been
made available to such recipients. You are responsible for ensuring that the
Source Code version remains available even if the Electronic Distribution
Mechanism is maintained by a third party.
3.3. Description of Modifications.
You must cause all Covered Code to which You contribute to contain a file
documenting the changes You made to create that Covered Code and the date of
any change. You must include a prominent statement that the Modification is
derived, directly or indirectly, from Original Code provided by the Initial Developer
and including the name of the Initial Developer in (a) the Source Code, and (b) in
any notice in an Executable version or related documentation in which You
describe the origin or ownership of the Covered Code.
3.4. Intellectual Property Matters
(a) Third Party Claims
If Contributor has knowledge that a license under a third party's intellectual
property rights is required to exercise the rights granted by such Contributor
under Sections 2.1 or 2.2, Contributor must include a text file with the Source
Code distribution titled "LEGAL" which describes the claim and the party making
the claim in sufficient detail that a recipient will know whom to contact. If
Contributor obtains such knowledge after the Modification is made available as
described in Section 3.2, Contributor shall promptly modify the LEGAL file in all
copies Contributor makes available thereafter and shall take other steps (such as
notifying appropriate mailing lists or newsgroups) reasonably calculated to inform
those who received the Covered Code that new knowledge has been obtained.
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ZyWALL USG 20/20W User's Guide