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"GET / HTTP/1.1"
Request Type: GET, HEAD, POST, PUT, DELETE, CONNECT, OPTIONS, PATCH, PROPFIND, PROPPATCH, MKCOL, COPY, MOVE, LOCK, UNLOCK, TRACE.
Document URI: Forward slash only (/) is a request for the domain root index file.
Protocol: HTTP/1.0 or HTTP/1.1.
A HEAD request asks the server to reply with the document headers. Here is an example server reply to a HEAD request:
HTTP/1.1 200 OK
Date: Fri, 29 Aug 2003 17:59:13 GMT
Cache-Control: max-age=86400, must-revalidate
Last-Modified: Tue, 26 Aug 2003 22:19:18 GMT
The three variables enclosed in quotes are Request Type, Document URI, and Protocol.
I knew that, I was am curious what purpose would be behind requests coming in for only these headers and not any of my web pages? Is this the mark of a S.E.? Most human visitors leave a trail of web pages, ads, images, etc. These log entries usually want nothing more that a HTTP response. It has me curious.
The "/" is the resource indicator, or in this case root index of your site.
So if you have, say, "index.html" in the root directory of your web site, the request "GET / HTTP/1.1" is a request for that file. Make sense?
Thanks for the explanation Xiaoth. Now I understand why no filename follows those requests. This will help me when I analyze statistics and takes away the worry about nefarious activities.