ボットがサーバーの脆弱性を調査しているという考えはよく知っていますが、今日アクセス ログを確認したところ、ログに Google 検索が多数表示されていました。これは一体どういうことなのでしょうか?
91.188.124.225 - - [22/Dec/2013:22:15:03 +0000] "GET http://www.google.pl/search?q=onet.pl HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [22/Dec/2013:22:46:02 +0000] "GET http://www.google.pl/search?q=wp.pl HTTP/1.1" 301 323 "-" "-"
91.188.124.225 - - [22/Dec/2013:23:16:59 +0000] "GET http://www.google.pl/search?q=wczasy HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [22/Dec/2013:23:48:01 +0000] "GET http://www.google.pl/search?q=polska+najlepsza HTTP/1.1" 301 334 "-" "-"
91.188.124.225 - - [23/Dec/2013:00:19:00 +0000] "GET http://www.google.pl/search?q=polska+najlepsza HTTP/1.1" 301 334 "-" "-"
91.188.124.225 - - [23/Dec/2013:00:50:01 +0000] "GET http://www.google.pl/search?q=wczasy HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:01:21:01 +0000] "GET http://www.google.pl/search?q=google HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:01:52:01 +0000] "GET http://www.google.pl/search?q=google HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:02:23:00 +0000] "GET http://www.google.pl/search?q=onet.pl HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [23/Dec/2013:02:54:00 +0000] "GET http://www.google.pl/search?q=wakacje HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [23/Dec/2013:03:25:01 +0000] "GET http://www.google.pl/search?q=ostro%C5%82%C4%99ka HTTP/1.1" 301 345 "-" "-"
91.188.124.225 - - [23/Dec/2013:03:55:58 +0000] "GET http://www.google.pl/search?q=polska+najlepsza HTTP/1.1" 301 334 "-" "-"
91.188.124.225 - - [23/Dec/2013:04:26:54 +0000] "GET http://www.google.pl/search?q=wczasy HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:04:58:01 +0000] "GET http://www.google.pl/search?q=wczasy HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:05:29:01 +0000] "GET http://www.google.pl/search?q=google HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:06:00:00 +0000] "GET http://www.google.pl/search?q=onet.pl HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [23/Dec/2013:06:31:01 +0000] "GET http://www.google.pl/search?q=wczasy HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:07:01:59 +0000] "GET http://www.google.pl/search?q=wp.pl HTTP/1.1" 301 323 "-" "-"
91.188.124.225 - - [23/Dec/2013:07:33:01 +0000] "GET http://www.google.pl/search?q=wakacje HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [23/Dec/2013:08:04:01 +0000] "GET http://www.google.pl/search?q=onet.pl HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [23/Dec/2013:08:35:00 +0000] "GET http://www.google.pl/search?q=ostro%C5%82%C4%99ka HTTP/1.1" 301 345 "-" "-"
91.188.124.225 - - [23/Dec/2013:09:05:58 +0000] "GET http://www.google.pl/search?q=praca HTTP/1.1" 301 323 "-" "-"
91.188.124.225 - - [23/Dec/2013:09:36:59 +0000] "GET http://www.google.pl/search?q=google HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:10:08:01 +0000] "GET http://www.google.pl/search?q=wp.pl HTTP/1.1" 301 323 "-" "-"
91.188.124.225 - - [23/Dec/2013:10:38:59 +0000] "GET http://www.google.pl/search?q=google HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:11:10:01 +0000] "GET http://www.google.pl/search?q=google HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:11:41:02 +0000] "GET http://www.google.pl/search?q=polska+najlepsza HTTP/1.1" 301 334 "-" "-"
91.188.124.225 - - [23/Dec/2013:12:12:01 +0000] "GET http://www.google.pl/search?q=ostro%C5%82%C4%99ka HTTP/1.1" 301 345 "-" "-"
91.188.124.225 - - [23/Dec/2013:12:43:00 +0000] "GET http://www.google.pl/search?q=wakacje HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [23/Dec/2013:13:13:59 +0000] "GET http://www.google.pl/search?q=polska+najlepsza HTTP/1.1" 301 334 "-" "-"
91.188.124.225 - - [23/Dec/2013:13:44:59 +0000] "GET http://www.google.pl/search?q=praca HTTP/1.1" 301 323 "-" "-"
91.188.124.225 - - [23/Dec/2013:14:15:59 +0000] "GET http://www.google.pl/search?q=praca HTTP/1.1" 301 323 "-" "-"
91.188.124.225 - - [23/Dec/2013:14:47:01 +0000] "GET http://www.google.pl/search?q=onet.pl HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [23/Dec/2013:15:18:00 +0000] "GET http://www.google.pl/search?q=google HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:15:48:59 +0000] "GET http://www.google.pl/search?q=wczasy HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:16:20:00 +0000] "GET http://www.google.pl/search?q=wp.pl HTTP/1.1" 301 323 "-" "-"
91.188.124.225 - - [23/Dec/2013:16:50:56 +0000] "GET http://www.google.pl/search?q=wakacje HTTP/1.1" 301 325 "-" "-"
91.188.124.225 - - [23/Dec/2013:17:22:00 +0000] "GET http://www.google.pl/search?q=wczasy HTTP/1.1" 301 324 "-" "-"
91.188.124.225 - - [23/Dec/2013:17:53:00 +0000] "GET http://www.google.pl/search?q=ostro%C5%82%C4%99ka HTTP/1.1" 301 345 "-" "-"
91.188.124.225 - - [23/Dec/2013:18:24:00 +0000] "GET http://www.google.pl/search?q=praca HTTP/1.1" 301 323 "-" "-"
答え1
結局、私はこの質問に対する答えを、性質が似ている他のサーバー障害に関する質問をいくつか見てからグーグルで検索して見つけたのです。
答え2
それはGoogleではありません。あなたのサイトにアクセスしているものは、次のようなページをリクエストしています。http://www.google.pl/search?q=some-query
要求元の IP で whois を実行すると、次の結果が得られます。
inetnum: 91.188.124.0 - 91.188.125.255
netname: KrynskiNET
descr: Hosting Company
descr: Krynski NET MichaÅ KryÅski
descr: ul. SÅawinkowska 96
descr: 20-810 Lublin