The NMSO website is provided as a public service by the Navy Modeling and Simulation Office. Information presented on the NMSO website is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested. For site management and for statistical purposes, this government computer system uses software programs to create summary statistics, which are used for such purposes as assessing what information is of most and least interest, determining technical design specifications, and identifying system performance or problem areas.
For site security purposes and to ensure that this service remains available to all users, this government computer system employs software programs to monitor network traffic to identify unauthorized attempts to upload or change information, or otherwise cause damage. Except for authorized law enforcement investigations, no other attempts are made to identify individual users or their usage habits. Raw data logs are used for no other purposes and are scheduled for regular destruction in accordance with National Archives and Records Administration Guidelines.
Unauthorized attempts to upload information or change information on this service are strictly prohibited and may be punishable under the Computer Fraud and Abuse Act of 1987 and the National Information Infrastructure Protection Act.
1. The NMSO web site is provided as a public service by the Navy Modeling and Simulation Office (NMSO).
2. Information presented on the NMSO web site is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested.
3. Information concerning visitors’ use of this site is collected for analytical and statistical purposes, such as assessing what information is of most and least interest, determining technical design specifications, and identifying system performance or problem areas.
4. For site security purposes and to ensure that this service remains available to all users, this government computer system employs software programs to monitor network traffic to identify unautho-rized attempts to upload or change information, or otherwise cause damage.
5. Raw data logs will only be used to identify individual users and their usage habits for authorized law enforcement investigations or national security purposes. These logs are scheduled for regular destruction in accordance with National Archives and Records Administration Guidelines
6. Unauthorized attempts to deny service, upload information, change information, or to attempt to access a non-public site from this service are strictly prohibited and may be punishable under Title 18 of the U.S. Code to include the Computer Fraud and Abuse Act of 1986 and the National Information Infrastructure Protection Act.
7. If you have any questions or comments about the information presented here, please forward them to us using the NMSO Comment Form
Below is an example of the information collected based on a standard request for a World Wide Web document:
1999-11-16 00:00:07 xxx.yyy.com - W3SVC4 NMSO 164.224.120.153 GET /index.htm - 200 0 5279 401 2000 80 HTTP/1.0 Mozilla/4.0+(compatible;+MSIE+4.01;+Windows+95) - http://www.altavista.digital.com
1999-11-16 00:00:07 -- this is the date and time of the request.
xxx.yyy.com (or 123.123.23.12) -- this is the host name (or IP address) associated with the requester (you as the visitor). In this case, (....com) the requester is coming from a commercial address. Depending on the requester’s method of network connection, the host name (or IP address) may or may not identify a specific computer. Connections via many Internet Service Providers assign different IP addresses for each session, so the host name identifies only the ISP. The host name (or IP address) will identify a specific computer if that computer has a fixed IP address.
- -- username who accessed the server, if known.
W3SVC4 -- the Internet service that was running on the client computer.
NMSO -- the name of the server on which the log entry was generated.
164.224.120.153 -- the IP address of the server on which the log entry was generated.
GET /index.htm -- this is the location of the requested file.
- -- the query, if any, the client was trying to perform; that is, one or more search strings for which the client was seeking a match.
200 -- this is the status code - 200 is OK - the request was filled.
0 -- the status of the action, in terms used by Windows NT.
5279 -- the number of bytes sent by the server.
401 -- the number of bytes received by the server.
2000 -- the length of time the action took.
80 -- the port number the client is connected to. Port 80 is the WWW port.
HTTP/1.0 Mozilla/4.0+(compatible;+MSIE+4.01;+Windows+95) -- this identifies the type of browser software used to access the page, which indicates what design parameters to use in constructing the pages.
- -- The content of the cookie sent or received, if any.
http://www.altavista.digital.com - this indicates the last site the person visited, which indicates how people find (DefenseLINK).
Requests for other types of documents use similar information. No other user-identifying information is collected.
