日志内容,请大家帮忙看看是怎么回事
2003-09-11 14:29:46 61.232.100.225 - 61.149.148.57 80 SEARCH / - 411 -
2003-09-11 14:29:47 218.18.141.53 - 61.149.148.57 80 GET / - 403 Mozilla/4.0+(compatible;+MSIE+5.5;+Windows+98)
2003-09-11 14:29:47 218.18.141.53 - 61.149.148.57 80 SEARCH / - 411 -
2003-09-11 14:29:57 203.99.171.9 - 61.149.148.57 80 GET / - 403 Mozilla/4.0+(compatible;+MSIE+5.5;+Windows+98)
2003-09-11 14:29:57 203.99.171.9 - 61.149.148.57 80 SEARCH / - 411 -
2003-09-11 14:29:58 218.145.25.78 - 61.149.148.57 80 GET / - 403 Mozilla/4.0+(compatible;+MSIE+5.5;+Windows+98)
2003-09-11 14:30:04 219.139.226.13 - 61.149.148.57 80 GET / - 403 Mozilla/4.0+(compatible;+MSIE+5.5;+Windows+98)
2003-09-11 14:30:04 207.65.180.251 - 61.149.148.57 80 GET / - 403 Mozilla/4.0+(compatible;+MSIE+5.5;+Windows+98)
2003-09-11 14:30:04 219.139.226.13 - 61.149.148.57 80 SEARCH / - 411 -
2003-09-11 14:30:05 207.65.180.251 - 61.149.148.57 80 SEARCH / - 411 -
2003-09-11 14:30:14 218.14.190.166 - 61.149.148.57 80 GET / - 403 Mozilla/4.0+(compatible;+MSIE+5.5;+Windows+98)
2003-09-11 14:30:14 218.14.190.166 - 61.149.148.57 80 SEARCH / - 411 -
2003-09-11 14:30:17 202.82.156.2 - 61.149.148.57 80 GET / - 403 Mozilla/4.0+(compatible;+MSIE+5.5;+Windows+98)
2003-09-11 14:30:17 202.82.156.2 - 61.149.148.57 80 SEARCH / - 411 -
日志中大量的这些东西,请问SEARCH是在干什么?411是什么错误,谢谢。