error_log의 내용인데..해킹일까요...ㅠㅠ

어제 새벽 1시경부터 새벽 4시까지 아래와 같은 로그가
error_log에 엄청나게 싸여있는데...

이게 뭘 의미하는건지... 모르겠네요.
해킹당한걸까요;;;
아니면 해킹시도인건지...
이거 뭘 어떻게 해야할지 모르겠네요...

rootDirectory 를 벗어난 곳으로 접근하고 있는데..
이거 괜찮은건가요 ????

[Wed May 23 01:59:36 2007] [error] [client 61.42.132.230] script not found or unable to stat: /usr/local/apache/cgi-bin/sam._
[Wed May 23 01:59:39 2007] [error] [client 61.42.132.230] script not found or unable to stat: /usr/local/apache/cgi-bin/.._..
[Wed May 23 01:59:41 2007] [error] [client 61.42.132.230] script not found or unable to stat: /usr/local/apache/cgi-bin/..\\..\\..\\..\\..\\..\\winnt\system32\cmd.exe
[Wed May 23 02:00:11 2007] [error] [client 61.42.132.230] script not found or unable to stat: /usr/local/apache/cgi-bin/..\..\..\..
[Wed May 23 02:00:12 2007] [error] [client 61.42.132.230] Invalid URI in request HEAD /cgi-bin/../../../../winnt/system32/cmd.exe HTTP/1.1
[Wed May 23 02:00:14 2007] [error] [client 61.42.132.230] attempt to invoke directory as script: /usr/local/apache/cgi-bin/

[Wed May 23 02:46:15 2007] [error] [client 61.42.132.230] script not found or unable to stat: /usr/local/apache/cgi-bin/tpgnrock
[Wed May 23 02:46:15 2007] [error] [client 61.42.132.230] script not found or unable to stat: /usr/local/apache/cgi-bin/textcounter.pl
[Wed May 23 02:46:15 2007] [error] [client 61.42.132.230] (13)Permission denied: exec of '/usr/local/apache/cgi-bin/test-cgi' failed
[Wed May 23 02:46:15 2007] [error] [client 61.42.132.230] Premature end of script headers: test-cgi
[Wed May 23 02:46:15 2007] [error] [client 61.42.132.230] (13)Permission denied: exec of '/usr/local/apache/cgi-bin/test-cgi' failed
[Wed May 23 02:46:15 2007] [error] [client 61.42.132.230] Premature end of script headers: test-cgi
[Wed May 23 02:46:15 2007] [error] [client 61.42.132.230] script not found or unable to stat: /usr/local/apache/cgi-bin/test-cgi.tcl
[Wed May 23 02:46:18 2007] [error] [client 61.42.132.230] script not found or unable to stat: /usr/local/apache/cgi-bin/test-env
[Wed May 23 02:46:24 2007] [error] [client 61.42.132.230] (13)Permission denied: exec of '/usr/local/apache/cgi-bin/test-cgi' failed