Locator

Contact

Locator

Vet Centers

Regional Benefits Offices

Regional Loan Centers

Cemetery Locations

VA Technical Reference Model v 24.7

DiffDog

General Information

Technologies must be operated and maintained in accordance with Federal and Department security and privacy policies and guidelines. More information on the proper use of the TRM can be found on the TRM Proper Use Tab/Section.

Website:	Go to site
Description:	DiffDog is a diff/merge application that enables users to find differences between a pair of directories and between a pair of documents. This technology can also find structural differences between a pair of Extensible Markup Language (XML) Schemas or database schemas, and compare the data that is contained in selected tables of a pair of databases. Additionally, this technology can synchronize the content of two directories, generate Extensible Stylesheet Language Transformations (XSLT) stylesheets and MapForce mappings for XML Schemas, merge the structure or data of database tables, and copy or delete changed files. There are two editions of this technology: Enterprise and Professional. This entry covers both editions. This technology can use DB2, Microsoft Structured Query Language (SQL) Server, MySQL, Firebird, Maria Database (MariaDB)< PostgreSQL, and Oracle database to store data. Additionally, this technology supports various cloud databases including Microsoft Azure SQL Database. The TRM decisions in this entry only apply to technologies and versions owned, operated, managed, patched, and version-controlled by VA. This includes technologies deployed as software installations on VMs within VA-controlled cloud environments (e.g. VA Enterprise Cloud (VAEC)). Cloud services provided by the VAEC, which are listed in the VAEC Service Catalog, and those controlled and managed by an external Cloud Service Provider (i.e. SaaS) are not in the purview of the TRM. For more information on the use of cloud services and cloud-based products within VA, including VA private clouds, please see the Enterprise Cloud Solutions Office (ECSO) Portal at: https://dvagov.sharepoint.com/sites/OITECSO
Technology/Standard Usage Requirements:	Users must ensure their use of this technology/standard is consistent with VA policies and standards, including, but not limited to, VA Handbooks 6102 and 6500; VA Directives 6004, 6513, and 6517; and National Institute of Standards and Technology (NIST) standards, including Federal Information Processing Standards (FIPS). Users must ensure sensitive data is properly protected in compliance with all VA regulations. Prior to use of this technology, users should check with their supervisor, Information Security Officer (ISO), Facility Chief Information Officer (CIO), or local Office of Information and Technology (OI&T) representative to ensure that all actions are consistent with current VA policies and procedures prior to implementation.
Section 508 Information:	This technology has been assessed by the Section 508 Office and found non-conformant. The Implementer of this technology has the responsibility to ensure the version deployed is 508-compliant. Section 508 compliance may be reviewed by the Section 508 Office and appropriate remedial action required if necessary. For additional information or assistance regarding Section 508, please contact the Section 508 Office at Section508@va.gov. Please see reference tab for more information concerning product versions.
Decision:	View Decisions

Decision Source:	TRM Mgmt Group
Decision Process:	One-VA TRM v23.10
Decision Date:	10/24/2023 at 01:34:30 UTC
Introduced By:	TRM Request
Vendor Name:	Altova

Vendor Release Information

The Vendor Release table provides the known releases for the TRM Technology, obtained from the vendor (or from the release source).

Version	Release Date	Vendor End of Life Date	Vendor Desupport Date
2005	01/18/2005
2007	10/24/2006
2008	09/12/2007
2009	02/03/2009
2010	10/28/2009
2011	09/08/2010
2012	10/19/2011
2013	09/15/2012
2014	10/29/2013
2016	09/24/2015
2017	10/04/2016
2018	10/03/2017
2019.x	10/17/2018
2020.x	03/17/2020
2021.x	02/24/2021
2022.x	10/27/2021
2023.x	10/19/2022

Current Decision Matrix (10/13/2023)

Users must ensure their use of this technology/standard is consistent with VA policies and standards, including, but not limited to, VA Handbooks 6102 and 6500; VA Directives 6004, 6513, and 6517; and National Institute of Standards and Technology (NIST) standards, including Federal Information Processing Standards (FIPS). Users must ensure sensitive data is properly protected in compliance with all VA regulations. Prior to use of this technology, users should check with their supervisor, Information Security Officer (ISO), Facility Chief Information Officer (CIO), or local Office of Information and Technology (OI&T) representative to ensure that all actions are consistent with current VA policies and procedures prior to implementation.

The VA Decision Matrix displays the current and future VA IT position regarding different releases of a TRM entry. These decisions are based upon the best information available as of the most current date. The consumer of this information has the responsibility to consult the organizations responsible for the desktop, testing, and/or production environments to ensure that the target version of the technology will be supported. Any major.minor version that is not listed in the VA Decision Matrix is considered unapproved for use.

Legend:

White	Approved: The technology/standard has been approved for use.
Yellow	Approved w/Constraints: The technology/standard can be used within the specified constraints located below the decision matrix in the footnote[1] and on the General tab.
Gray	Unapproved: This technology or standard can be used only if a POA&M review is conducted and signed by the Authorizing Official Designated Representative (AODR) as designated by the Authorizing Official (AO) or designee and based upon a recommendation from the POA&M Compliance Enforcement, has been granted to the project team or organization that wishes to use the technology.
Orange	Divest: VA has decided to divest itself on the use of the technology/standard. As a result, all projects currently utilizing the technology/standard must plan to eliminate their use of the technology/standard. Additional information on when the entry is projected to become unapproved may be found on the Decision tab for the specific entry.
Black	Prohibited: The technology/standard is not (currently) permitted to be used under any circumstances.
Blue	Planning/Evaluation Constraint:The period of time this technology is currently being evaluated, reviewed, and tested in controlled environments. Use of this technology is strictly controlled and not available for use within the general population. If a customer would like to use this technology, please work with your local or Regional OI&T office and contact the appropriate evaluation office displayed in the notes below the decision matrix. The Local or Regional OI&T office should submit an inquiry to the TRM if they require further assistance or if the evaluating office is not listed in the notes below.

Release/Version Information:

VA decisions for specific versions may include a ‘.x’ wildcard, which denotes a decision that pertains to a range of multiple versions.

For example, a technology approved with a decision for 7.x would cover any version of 7.(Anything) - 7.(Anything). However, a 7.4.x decision would cover any version of 7.4.(Anything), but would not cover any version of 7.5.x or 7.6.x on the TRM.

VA decisions for specific versions may include ‘+’ symbols; which denotes that the decision for the version specified also includes versions greater than what is specified but is not to exceed or affect previous decimal places.

For example, a technology approved with a decision for 12.6.4+ would cover any version that is greater than 12.6.4, but would not exceed the .6 decimal ie: 12.6.401 is ok, 12.6.5 is ok, 12.6.9 is ok, however 12.7.0 or 13.0 is not.

<Past

CY2025

CY2026

CY2027

Future>

Release

2005

Unapproved

2007

Unapproved

2008

Unapproved

2009

Unapproved

2010

Unapproved

2013

Unapproved

2014

Unapproved

2016

Unapproved

2017

Unapproved

2018

Unapproved

2019.x

Unapproved

2020.x

Unapproved

2021.x

Divest
[17, 18, 22, 24, 25, 26, 27, 28]

Unapproved

2022.x

Divest
[17, 18, 22, 24, 25, 26, 27, 28]

Unapproved

2023.x

Approved w/Constraints
[17, 18, 22, 24, 25, 26, 27, 28]

Decision Constraints


[1]	This Technology is currently being evaluated, reviewed, and tested in controlled environments. Use of this technology is strictly controlled and not available for use within the general population.

[2]	Common Vulnerabilities and Exposures (CVE)-2010-5273 cites the following vulnerability: Untrusted search path vulnerability in Altova DiffDog 2011 Enterprise Edition Service Pack (SP)1 allows local users to gain privileges via a Trojan horse dwmapi.dll file in the current working directory, as demonstrated by a directory that contains a .dbdif file. This version of the technology must not be used at the Department of Veterans Affairs (VA). Note: Please read the Forecast tab for more details.

[3]	As of April 23, 2015, per the Deputy CIO of Architecture, Strategy and Design (ASD), all technologies in use by the VA require an assessment by the VA Section 508 office. Section 508 of the Rehabilitation Act Amendments of 1998 is a federal law that sets the guidelines for technology accessibility. A VA Section 508 assessment of this technology has not been completed at the time of publication. Therefore, as of April 23, 2015 only users of this technology who have deployed the technology to the production environment, or have project design and implementation plans approved, may continue to operate this technology. In the case of a project that has implemented, or been approved for a specific site or number of users, and that project needs to expand operations to other sites or to an increased user base, it may do so as long as the project stays on the existing version of the technology that was approved or implemented as of April 22, 2015. Use of this technology in all other cases is prohibited.

[4]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISO (Information Security Officer) to ensure compliance with VA Handbook 6500.

[5]	Per the May 5th, 2015 memorandum from the VA Chief Information Security Officer (CISO) FIPS 140-2 Validate Full Disk Encryption (FOE) for Data at Rest in Database Management Systems (DBMS) and in accordance with Federal requirements and VA policy, database management must use Federal Information Processing Standards (FIPS) 140-2 compliant encryption to protect the confidentiality and integrity of VA information at rest at the application level. If FIPS 140-2 encryption at the application level is not technically possible, FIPS 140-2 compliant full disk encryption (FOE) must be implemented on the hard drive where the DBMS resides. Appropriate access enforcement and physical security control must also be implemented. All instances of deployment using this technology should be reviewed to ensure compliance with VA Handbook 6500 and National Institute of Standards and Technology (NIST) standards. It is the responsibility of the system owner to work with the local CIO (or designee) and Information Security Officer (ISO) to ensure that a compliant DBMS technology is selected and that if needed, mitigating controls are in place and documented in a System Security Plan (SSP).

[6]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISO (Information Security Officer) to ensure compliance with VA Handbook 6500.

[7]	Per the May 5th, 2015 memorandum from the VA Chief Information Security Officer (CISO) FIPS 140-2 Validate Full Disk Encryption (FOE) for Data at Rest in Database Management Systems (DBMS) and in accordance with Federal requirements and VA policy, database management must use Federal Information Processing Standards (FIPS) 140-2 compliant encryption to protect the confidentiality and integrity of VA information at rest at the application level. If FIPS 140-2 encryption at the application level is not technically possible, FIPS 140-2 compliant full disk encryption (FOE) must be implemented on the hard drive where the DBMS resides. Appropriate access enforcement and physical security control must also be implemented. All instances of deployment using this technology should be reviewed to ensure compliance with VA Handbook 6500 and National Institute of Standards and Technology (NIST) standards. It is the responsibility of the system owner to work with the local CIO (or designee) and Information Security Officer (ISO) to ensure that a compliant DBMS technology is selected and that if needed, mitigating controls are in place and documented in a System Security Plan (SSP).

[8]	If free trialware is utilized, the software must be purchased or removed at the end of the trial period.

[9]	Due to National Institute of Standards and Technology (NIST) identified security vulnerabilities, extra vigilance should be applied to ensure the versions remain properly patched to mitigate known and future vulnerabilities. The local ISO can provide assistance in reviewing the NIST vulnerabilities.

[10]	Technology must remain patched and operated in accordance with Federal and Department security policies and guidelines in order to mitigate known and future security vulnerabilities.

[11]	Due to potential information security risks, cloud based technologies may not be used without the approval of the Enterprise Cloud Solution Office (ECSO). This body is in part responsible for ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

[12]	Due to potential information security risks for cloud-based technologies, users should coordinate closely with their facility ISSO for guidance and assistance on cloud products. If further guidance is needed contact the Enterprise Cloud Solution Office (ECSO), which is the body responsible for new software development in and migration of existing systems to the VA Enterprise Cloud (VAEC) and ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised within the VAEC. For information about Software as a Service (SaaS) products or to submit a SaaS product request with the Project Special Forces (SPF) team, please use their online form. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

[13]	If free trialware is utilized, the software must be purchased or removed at the end of the trial period. Users must ensure that Microsoft Access, Microsoft Structured Query Language (SQL) Server, Oracle Database, and Postgresql are implemented with VA-approved baselines. (refer to the ‘Category’ tab under ‘Runtime Dependencies’)

[14]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISO (Information Security Officer) to ensure compliance with VA Handbook 6500.

[15]	Per the May 5th, 2015 memorandum from the VA Chief Information Security Officer (CISO) FIPS 140-2 Validate Full Disk Encryption (FOE) for Data at Rest in Database Management Systems (DBMS) and in accordance with Federal requirements and VA policy, database management must use Federal Information Processing Standards (FIPS) 140-2 compliant encryption to protect the confidentiality and integrity of VA information at rest at the application level. If FIPS 140-2 encryption at the application level is not technically possible, FIPS 140-2 compliant full disk encryption (FOE) must be implemented on the hard drive where the DBMS resides. Appropriate access enforcement and physical security control must also be implemented. All instances of deployment using this technology should be reviewed to ensure compliance with VA Handbook 6500 and National Institute of Standards and Technology (NIST) standards. It is the responsibility of the system owner to work with the local CIO (or designee) and Information Security Officer (ISO) to ensure that a compliant DBMS technology is selected and that if needed, mitigating controls are in place and documented in a System Security Plan (SSP).

[16]	Due to potential information security risks for cloud-based technologies, users should coordinate closely with their facility ISSO for guidance and assistance on cloud products. If further guidance is needed contact the Enterprise Cloud Solution Office (ECSO), which is the body responsible for new software development in and migration of existing systems to the VA Enterprise Cloud (VAEC) and ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised within the VAEC. For information about Software as a Service (SaaS) products or to submit a SaaS product request with the Project Special Forces (SPF) team, please use their online form. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

[17]	If this product uses a MySQL database, the product must be configured with a commercial edition of the MySQL Database, which currently has TRM constraints limiting its use for intranet and non-sensitive data only due to its many known security issues. If a commercial edition of MySQL is selected for use with this product, these factors must be considered especially when an instance of this product will be considered a Moderate or High-Risk system. See MySQL Database – Commercial Edition TRM entry for more details.

[18]	This product can be configured with a PostgreSQL Database, which currently has TRM constraints limiting its use to Red Hat Enterprise Linux (RHEL) only due to its many known security issues on other platforms. If PostgreSQL is selected for use with this product, these factors must be considered especially when an instance of this product will be considered a Moderate or High-Risk system. See PostgreSQL Database TRM entry for more details.

[19]	Due to potential information security risks for cloud-based technologies, users should coordinate closely with their facility ISSO for guidance and assistance on cloud products. If further guidance is needed contact the Enterprise Cloud Solution Office (ECSO), which is the body responsible for new software development in and migration of existing systems to the VA Enterprise Cloud (VAEC) and ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised within the VAEC. For information about Software as a Service (SaaS) products or to submit a SaaS product request with the Project Special Forces (PSF) team, please use their online form. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

[20]	Due to potential information security risks for cloud-based technologies, users should coordinate closely with their facility ISSO for guidance and assistance on cloud products. If further guidance is needed contact the Enterprise Cloud Solution Office (ECSO), which is the body responsible for new software development in and migration of existing systems to the VA Enterprise Cloud (VAEC) and ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised within the VAEC. For information about Software as a Service (SaaS) products or to submit a SaaS product request with the VA OIT Product Engineering team, please use their online form. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

[21]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISSO (Information System Security Officer) to ensure compliance with VA Handbook 6500.

[22]	Due to National Institute of Standards and Technology (NIST) identified security vulnerabilities, extra vigilance should be applied to ensure the versions remain properly patched to mitigate known and future vulnerabilities. The local ISSO (Information System Security Officer) can provide assistance in reviewing the NIST vulnerabilities.

[23]	Per the May 5th, 2015 memorandum from the VA Chief Information Security Officer (CISO) FIPS 140-2 Validate Full Disk Encryption (FOE) for Data at Rest in Database Management Systems (DBMS) and in accordance with Federal requirements and VA policy, database management must use Federal Information Processing Standards (FIPS) 140-2 compliant encryption to protect the confidentiality and integrity of VA information at rest at the application level. If FIPS 140-2 encryption at the application level is not technically possible, FIPS 140-2 compliant full disk encryption (FOE) must be implemented on the hard drive where the DBMS resides. Appropriate access enforcement and physical security control must also be implemented. All instances of deployment using this technology should be reviewed to ensure compliance with VA Handbook 6500 and National Institute of Standards and Technology (NIST) standards. It is the responsibility of the system owner to work with the local CIO (or designee) and Information System Security Officer (ISSO) to ensure that a compliant DBMS technology is selected and that if needed, mitigating controls are in place and documented in a System Security Plan (SSP).

[24]	If free trialware is utilized, the software must be purchased or removed at the end of the trial period. Users must ensure that Microsoft Access, Microsoft Structured Query Language (SQL) Server, MySQL, Oracle Database, and PostgreSQL are implemented with VA-approved baselines. (refer to the ‘Category’ tab under ‘Runtime Dependencies’) Users must not utilize Microsoft SharePoint Server, Firebird, Maria Database (MariaDB) Server, as they are at the time of writing, unapproved in the TRM.

[25]	Users should check with their supervisor, Information System Security Officer (ISSO) or local OIT representative for permission to download and use this software. Downloaded software must always be scanned for viruses prior to installation to prevent adware or malware. Freeware may only be downloaded directly from the primary site that the creator of the software has advertised for public download and user or development community engagement. Users should note, any attempt by the installation process to install any additional, unrelated software is not approved and the user should take the proper steps to decline those installations.

[26]	Veterans Affairs (VA) users must ensure VA sensitive data is properly protected in compliance with all VA regulations. All instances of deployment using this technology should be reviewed by the local ISSO (Information System Security Officer) to ensure compliance with both VA Handbook 6500 and VA Directive 6500.

[27]	Per the May 5th, 2015 memorandum from the VA Chief Information Security Officer (CISO) FIPS 140-2 FIPS 140-2 Validate Full Disk Encryption (FOE) for Data at Rest in Database Management Systems (DBMS) and in accordance with Federal requirements and VA policy, database management must use Federal Information Processing Standards (FIPS) 140-2 or its successor to protect the confidentiality and integrity of VA information at rest at the application level. If FIPS 140-2 encryption at the application level is not technically possible, FIPS 140-2 or 140-3 compliant full disk encryption (FOE) must be implemented on the storage device where the DBMS resides. Appropriate access enforcement and physical security control must also be implemented. All instances of deployment using this technology should be reviewed to ensure compliance with VA Handbook 6500 and National Institute of Standards and Technology (NIST) standards. It is the responsibility of the system owner to work with the local CIO (or designee) and Information System Security Officer (ISSO) to ensure that a compliant DBMS technology is selected and that if needed, mitigating controls are in place and documented in a System Security Plan (SSP). By September 22, 2026, all FIPS 140-2 certificate validations will be placed on the Historical List, please refer to FIPS Transition Effort for further guidance and timeline of changes.

[28]	Due to potential information security risks for cloud-based technologies, users should coordinate closely with their facility ISSO for guidance and assistance on cloud products. If further guidance is needed contact the Enterprise Cloud Solution Office (ECSO), which is the body responsible for new software development in and migration of existing systems to the VA Enterprise Cloud (VAEC) and ensuring organizational information, Personally Identifiable Information (PII), Protected Health Information (PHI), and VA sensitive data are not compromised within the VAEC. For information about Software as a Service (SaaS) products or to submit a SaaS product request, visit the Product Marketplace. (Ref: VA Directive 6004, VA Directive 6517, VA Directive 6513 and VA Directive 6102).

Note:

At the time of writing, version 2023R2 is the most current version, released 04/11/2023.

The following reference(s) are associated with this entry:
Type	Name	Source	Description
Vendor Provided*	Documentation		This link is to the documentation portal for this technology.
*NOTE: Vendor provided information is subject to the accuracy of the manufacturer.

Note: This list may not be complete. No component, listed or unlisted, may be used outside of the technology in which it is released. The usage decision for a component is found in the Decision and Decision Constraints.
Name	Description
No components have been identified for this entry.


Application Technology Development Tools	Application Development Tools

- The information contained on this page is accurate as of the Decision Date (10/24/2023 at 01:34:30 UTC).

Inside VA

Budget and Performance

Inside the Media Room

National Observances

Special Events

VA Technical Reference Model v 24.7

General Information

Vendor Release Information

Current Decision Matrix (10/13/2023)

Decision Constraints

References

Technology Components

VA Categories View the VA Categorization Framework

Operating Systems Supported by the Technology

Technologies/Standards Relationships

Runtime Dependencies:

Comparable Technologies:

Companion Technologies/Supported Standards:

General Analysis

Adoption Benefits

Adoption Risks

Architectural Benefits

Architectural Risks

CONNECT

VA HOME

QUICK LIST

RESOURCES

ADMINISTRATION

VA Technical Reference Model v 24.7

General Information

Vendor Release Information

Current Decision Matrix (10/13/2023)

Decision Constraints

References

Technology Components

VA Categories View the VA Categorization Framework

Operating Systems Supported by the Technology

Technologies/Standards Relationships

Runtime Dependencies:

Comparable Technologies:

Companion Technologies/Supported Standards:

General Analysis

Adoption Benefits

Adoption Risks

Architectural Benefits

Architectural Risks

EMAIL UPDATES