Common Log Format

saturn5.sun.com - - [25/Jun/1998:11:19:58 -0500] "GET /wew/js/mouseover.html HTTP/1.0" 200 1936 "http://av.yahoo.com/bin/query?p=mouse+over+javascript+source+code&hc=0&hs=0" "Mozilla/4.02 [en] (X11; U; SunOS 5.6 sun4m)"
saturn5.sun.com - - [25/Jun/1998:11:20:00 -0500] "GET /wew/js/on.gif HTTP/1.0" 200 103 "http://www.weinman.com/wew/js/mouseover.html" "Mozilla/4.02 [en] (X11; U; SunOS 5.6 sun4m)"
saturn5.sun.com - - [25/Jun/1998:11:20:03 -0500] "GET /wew/js/off.gif HTTP/1.0" 200 85 "http://www.weinman.com/wew/js/mouseover.html" "Mozilla/4.02 [en] (X11; U; SunOS 5.6 sun4m)"
saturn5.sun.com - - [25/Jun/1998:11:20:12 -0500] "GET /wew/js/off.gif HTTP/1.0" 200 85 "http://www.weinman.com/wew/js/mouseover.html" "Mozilla/4.02 [en] (X11; U; SunOS 5.6 sun4m)"
saturn5.sun.com - - [25/Jun/1998:11:20:12 -0500] "GET /wew/js/off.gif HTTP/1.0" 200 85 "http://www.weinman.com/wew/js/mouseover.html" "Mozilla/4.02 [en] (X11; U; SunOS 5.6 sun4m)"

The Common Logfile Format

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 (ident protocol)
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.
The Extended Logfile Format

referer [sic]
The refering URL

User-Agent
The "User-Agent" string from the browser