Çeşitli hata kodları

Directadmin kullanıyorum. Site Özeti/ İstatistikler/ Loglar kısmında Sitelerimdeki hata kodlarını incelediğimde, bir süredir aynı hata kodlarını görüyorum. Hata kodları aşağıda.. Saldırı mı acaba bunlar?


2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] setupGzipBuf() begin GZIP stream.
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] endDynResp() end GZIP stream.
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] Written to client: 400
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] writeRespBody() return 188
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] HttpConnection::flush()!
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] HttpConnection::nextRequest()!
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] Non-KeepAlive, CLOSING!
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] Shutting down out-bound socket ...
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] Available Connections: 14953, concurrent conn: 0
2012-01-28 02:43:15.957 [DEBUG] [0#APVH_www.xxx.com] Close socket ...




2012-01-28 02:42:13.869 [DEBUG] [78.174.xxx.xxx:2698-1] Close socket ...
2012-01-28 02:42:13.869 [DEBUG] [78.174.xxx.xxx:2698-1] Available Connections: 14974, concurrent conn: 1
2012-01-28 02:42:14.871 [DEBUG] [78.174.xxx.xxx:2696-2] HttpIOLink::handleEvents() events=1!
2012-01-28 02:42:14.871 [DEBUG] [78.174.xxx.xxx:2696-2] HttpConnection:nReadEx(), state: 0!
2012-01-28 02:42:14.871 [DEBUG] [78.174.xxx.xxx:2696-2] readToHeaderBuf().
2012-01-28 02:42:14.871 [DEBUG] [78.174.xxx.xxx:2696-2] End of stream detected, CLOSING!
2012-01-28 02:42:14.871 [DEBUG] [78.174.xxx.xxx:2696-2] Read from client: -1
2012-01-28 02:42:14.871 [DEBUG] [78.174.xxx.xxx:2696-2] readToHeaderBuf() return 0.
2012-01-28 02:42:14.871 [DEBUG] [78.174.xxx.xxx:2696-2] Close socket ...
2012-01-28 02:42:14.871 [DEBUG] [78.174.xxx.xxx:2696-2] Available Connections: 14977, concurrent conn: 0