[Techtalk] help! security experts

[Linda]

I was checking the raw log files from one of my websites on a 
webhost. I found the following entries.

What do they mean? I emailed my webhost's tech support and 
they said they didn't know!!!

65.102.23.169 - - [25/Aug/2002:16:23:55 -0700] "GET /?N=D HTTP/1.0" "-" 200 2568
65.102.23.161 - - [25/Aug/2002:16:24:01 -0700] "GET /?M=A HTTP/1.0" "-" 200 2568
65.102.12.225 - - [25/Aug/2002:16:24:07 -0700] "GET /?S=A HTTP/1.0" "-" 200 2568
65.102.12.225 - - [25/Aug/2002:16:24:18 -0700] "GET /?D=A HTTP/1.0" "-" 200 2568

Thanks.

Linda