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From Apache Wiki <wikidi...@apache.org>
Subject [Tomcat Wiki] Update of "FAQ/FDA Validation" by GianlucaVarisco
Date Wed, 28 Nov 2007 18:48:50 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Tomcat Wiki" for change notification.

The following page has been changed by GianlucaVarisco:
http://wiki.apache.org/tomcat/FAQ/FDA_Validation

New page:
== FDA (21 CFR Part 11) Validation ==

=== Preface ===
This page discusses using Tomcat in an [http://www.fda.gov/ FDA] [http://www.fda.gov/cdrh/comp/guidance/938.html
validated] environment, i.e. one where [http://www.21cfrpart11.com/ 21 CFR Part 11] regulations
apply.

Please note that although this page mentions specific companies, we do not explicitly endorse
or sell anyone's services. Tomcat and Apache are not-for-profit organizations. This page is
also far from a complete listing of vendors and support options. It is meant as a demonstration
showing that these options do exist and that running Tomcat in a validated environment is
both feasible and reasonable.

=== Questions ===
'''Can Tomcat be used in a validated environment?'''

Yes. There's nothing in Tomcat's design or implementation that prevent it from being used
in a validated environment. The same validation procedures and guidelines that apply to most
software packages apply to Tomcat as well. Being an open-source application does not preclude
Tomcat validation. In fact, it helps in at least one key aspect: the source code itself can
be audited, as can the commit and change logs for the software.

'''Has anyone actually done it?'''

Yes. As shown in [http://marc.theaimsgroup.com/?l=tomcat-user&m=109836874319797&w=2
this user mailing list archive], Merck and other large companies are using Tomcat in a validated
environment. In addition, there is at least one application provider ([http://www.interchangedigital.com/
Interchange Digital]) whose application runs on Tomcat that has deployed said package in numerous
pharma data centers.

'''Is Tomcat itself validated?'''

Yes. Tomcat itself is validated to the extent it can be. Tomcat implements two Java Specifications:
the [http://java.sun.com/products/servlet Servlet Specification] and the [http://java.sun.com/products/jsp
Java Server Pages (JSP) Specification]. Each of these specifications has a Technology Compatbility
Kit (TCK), which is a collection of tests to certify a given product meets the Specification
fully and accurately.

The [http://www.apache.org/ Apache Software Foundation] is licensed to run these TCKs. They
are run against every single Tomcat release. '''No Tomcat release is pronounced stable unless
it has passed both of these TCKs with 100% compliance'''. Therefore, every stable Tomcat release
is validated to the extent of Tomcat's core functionality.

Furthermore, any company of individual may [http://java.sun.com/scholarship/ apply] to obtains
and use these TCKs themselves. That way, you can re-validated Tomcat including any custom
patches you have implemented.

However, we cannot validate your application's use of Tomcat. You're on your own there.

'''What kind of support is there around validating Tomcat?'''

Several kinds. They include:

 * There are numerous smaller [http://jakarta.apache.org/site/vendors.html vendors] and several
large ones, including IBM, HP, Sun, and Novell, who offer Tomcat consulting and support services,
including application auditing, environment assessments, and risk analysis.
 * There are numerous vendors in addition to the above consultants, like [http://www.covalent.net/
Covalent] and [http://www.jboss.org/services/prodsupport JBoss], who offer 24/7/365 enterprise-level
support for Tomcat.
 * The Tomcat [http://tomcat.apache.org/lists.html mailing lists] are extremely active and
contain members of many of the above organizations, including contractors available for hire.

'''How do I know I have a validated release? How do I know no one has tampered with the release
package?'''

All Tomcat releases are signed using the Release Manager's [http://www.pgpi.org/doc/pgpintro
PGP] key. The key is also available in the KEYS file that ships with every Tomcat release.
The same KEYS file is also available in the Tomcat CVS repository ([http://www.apache.org/dist/tomcat/tomcat-5/KEYS
here]). The PGP signatures are available on all the Tomcat download pages, and can (and should!)
be used to verify the release really is the signed distribution.

As for tampering: every Tomcat release is also digested using the MD5 algorithm as specified
in [http://www.faqs.org/rfcs/rfc1321.html RFC1321]. The MD5 digest is included in all the
download pages. Users run MD5 on their local machine to verify that the digest of what they
downlaoded is the same as that published in the Apache download pages. That way, users are
assured the distribution has not been modified since the Release Manager signed it.

'''What about security? I'm concerned about attacks.'''

There's no need to be. See the [http://wiki.apache.org/tomcat/FAQ/Security security page]
of this FAQ for more information.

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