Teaching:TUW - UE InfoVis WS 2005/06 - Gruppe G3 - Aufgabe 3
Topic: Webserver Logfile Visualization
Application Area Analysis
Dataset Analysis
The Common Logfile Format
According to the World Wide Web Consortium the Common Logfile Format is as follows:
remotehost rfc931 authuser [date] "request" status bytes
remotehost: Remote hostname (or IP number if DNS hostname is not available, or if DNSLookup is Off.
rfc931: The remote logname of the user.
authuser: The username as which the user has authenticated himself.
[date]: Date and time of the request.
"request": The request line exactly as it came from the client.
status: The HTTP status code returned to the client.
bytes: The content-length of the document transferred. [1][W3C]
Example
66.249.71.39 - - [16/Oct/2005:05:57:17 +0200] "GET /robots.txt HTTP/1.0" 404 290 "-" "Googlebot/2.1 (+http://www.google.com/bot.html)"
remotehost: 66.249.71.39
rfc931: -
authuser: -
[date]: [16/Oct/2005:05:57:17 +0200]
"request": "GET /robots.txt HTTP/1.0"
status: 404
bytes: 290
Datatypes
Target Group Analysis
Aim of the Visualization
Designproposal
References
[1][W3C]World Wide Web Consortium, Logging Control In W3C httpd. Created at: July, 1995. Retrieved at: November 16, 2005. http://www.w3.org/Daemon/User/Config/Logging.html#common-logfile-format.