I need help on Unknown OS and Unknown browsers.
I have following line in my apache Config:
…
LogFormat “%{X-Forwarded-For}i %h %l %u %t \”%r\” %>s %b \”%{Host}i\” \”%{Referer}i\” \”%{User-agent}i\”" combined
…
After I review my report, I found I have 85% Unknown OS and Unknown browsers. After I click the Unknown link, I got lots of “http://emportaluat1.lenscrafters.com/wps/wcm/connect/
f56e8a80478eb7e48bbd9f54bf84c3d3/broker_affordability.jpg?MOD=AJPERES”
under Unknown browsers (useragent field). I checked my log and I found that I do have the user agent filed.
10.80.57.17 10.80.0.24 - - [11/Mar/2008
:16:27:45 -0400] “GET /wps/themes/html/
EyeMed_Shared/images/btnSubmit.gif HTTP
/1.1″ 304 - “emportaluat1.lenscrafters.
com” “http://emportaluat1.lenscrafters.
com/wps/portal/emweb” “Mozilla/5.0 (Win
dows; U; Windows NT 5.1; en-US; rv:1.8.
1.12) Gecko/20080201 Firefox/2.0.0.12″
10.80.57.17 10.80.0.24 - - [11/Mar/2008
:16:27:45 -0400] “GET /wps/wcm/connect/
6164e900478eb80d8ce69c54bf84c3d3/Vision
+Wellness+small.jpg?MOD=AJPERES HTTP/1.
1″ 304 - “emportaluat1.lenscrafters.com
” “http://emportaluat1.lenscrafters.com
/wps/portal/emweb” “Mozilla/5.0 (Window
s; U; Windows NT 5.1; en-US; rv:1.8.1.1
2) Gecko/20080201 Firefox/2.0.0.12″
Looks like that it has problem to parse through the line which has “?MOD=AJPERES”…
Appreciated for any help!
cwei