請問這訊息是被攻擊嗎

請大大教導
謝謝 ~~
203# uname -a
FreeBSD 203.x.x.x 7.1-RELEASE FreeBSD 7.1-RELEASE #0: Thu Jan 1 14:37:25 UTC 2009 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
203#
203# cat /var/log/messages | grep exited
Feb 25 13:28:30 203 kernel: pid 53245 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:28:30 203 kernel: pid 53248 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:28:30 203 kernel: pid 53251 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:28:30 203 kernel: pid 53254 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:28:30 203 kernel: pid 53257 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:37:19 203 kernel: pid 26829 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:37:19 203 kernel: pid 26832 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:37:19 203 kernel: pid 26835 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:37:20 203 kernel: pid 26838 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 13:37:20 203 kernel: pid 26841 (factorial), uid 0: exited on signal 11 (core dumped)
Feb 25 14:26:16 203 kernel: pid 97641 (conftest), uid 0: exited on signal 12 (core dumped)
Mar 14 14:43:38 203 kernel: pid 67445 (httpd), uid 80: exited on signal 10
Mar 14 14:43:38 203 kernel: pid 67428 (httpd), uid 80: exited on signal 10
Mar 14 14:43:59 203 kernel: pid 67382 (httpd), uid 80: exited on signal 10
Mar 14 14:58:47 203 kernel: pid 70973 (httpd), uid 80: exited on signal 10
Mar 14 14:59:02 203 kernel: pid 70976 (httpd), uid 80: exited on signal 10
Mar 14 15:02:53 203 kernel: pid 71018 (httpd), uid 80: exited on signal 10
Mar 14 15:03:08 203 kernel: pid 70975 (httpd), uid 80: exited on signal 10
Mar 14 15:07:03 203 kernel: pid 71019 (httpd), uid 80: exited on signal 10
Mar 14 15:12:45 203 kernel: pid 71049 (httpd), uid 80: exited on signal 10
Mar 14 15:13:26 203 kernel: pid 71076 (httpd), uid 80: exited on signal 10
Mar 14 15:17:29 203 kernel: pid 71059 (httpd), uid 80: exited on signal 10
Mar 14 15:27:46 203 kernel: pid 71242 (httpd), uid 80: exited on signal 10
Mar 14 18:42:29 203 kernel: pid 71240 (httpd), uid 80: exited on signal 10
Mar 14 19:01:42 203 kernel: pid 71196 (httpd), uid 80: exited on signal 10
Mar 14 23:47:11 203 kernel: pid 72437 (httpd), uid 80: exited on signal 10
Mar 15 00:08:25 203 kernel: pid 72752 (httpd), uid 80: exited on signal 10
Mar 15 00:10:17 203 kernel: pid 72782 (httpd), uid 80: exited on signal 10
Mar 15 00:12:21 203 kernel: pid 72785 (httpd), uid 80: exited on signal 10
Mar 15 00:12:56 203 kernel: pid 72739 (httpd), uid 80: exited on signal 10
Mar 15 00:13:44 203 kernel: pid 72809 (httpd), uid 80: exited on signal 10
Mar 15 00:18:06 203 kernel: pid 72808 (httpd), uid 80: exited on signal 10
Mar 15 00:18:08 203 kernel: pid 72807 (httpd), uid 80: exited on signal 10
Mar 15 00:22:26 203 kernel: pid 72781 (httpd), uid 80: exited on signal 10
Mar 15 00:29:20 203 kernel: pid 72789 (httpd), uid 80: exited on signal 10
Mar 15 00:29:38 203 kernel: pid 72852 (httpd), uid 80: exited on signal 10
Mar 15 12:20:29 203 kernel: pid 73589 (httpd), uid 80: exited on signal 10
Mar 15 12:21:25 203 kernel: pid 74674 (httpd), uid 80: exited on signal 10
Mar 15 12:47:40 203 kernel: pid 74679 (httpd), uid 80: exited on signal 10
Mar 15 13:38:20 203 kernel: pid 74781 (httpd), uid 80: exited on signal 10
Mar 15 14:29:39 203 kernel: pid 74963 (httpd), uid 80: exited on signal 10
Mar 15 14:29:42 203 kernel: pid 74964 (httpd), uid 80: exited on signal 10
Mar 15 14:31:55 203 kernel: pid 74919 (httpd), uid 80: exited on signal 10
Mar 15 14:33:09 203 kernel: pid 74968 (httpd), uid 80: exited on signal 10
Mar 15 14:33:40 203 kernel: pid 74915 (httpd), uid 80: exited on signal 10
Mar 15 15:32:42 203 kernel: pid 74983 (httpd), uid 80: exited on signal 10
Mar 16 00:41:11 203 kernel: pid 74982 (httpd), uid 80: exited on signal 10
Mar 16 00:48:38 203 kernel: pid 76642 (httpd), uid 80: exited on signal 10
Mar 16 00:49:19 203 kernel: pid 76651 (httpd), uid 80: exited on signal 10
Mar 16 00:49:27 203 kernel: pid 76653 (httpd), uid 80: exited on signal 10
Mar 16 00:50:58 203 kernel: pid 76661 (httpd), uid 80: exited on signal 10
Mar 16 00:51:13 203 kernel: pid 76655 (httpd), uid 80: exited on signal 10
Mar 16 01:14:44 203 kernel: pid 76807 (httpd), uid 80: exited on signal 10
Mar 16 02:26:23 203 kernel: pid 76946 (httpd), uid 80: exited on signal 10
Mar 16 09:54:54 203 kernel: pid 78446 (httpd), uid 80: exited on signal 10
Mar 16 10:52:45 203 kernel: pid 78795 (httpd), uid 80: exited on signal 10
Mar 16 11:15:56 203 kernel: pid 79079 (httpd), uid 80: exited on signal 10
Mar 16 11:17:34 203 kernel: pid 79086 (httpd), uid 80: exited on signal 10
Mar 16 23:22:33 203 kernel: pid 80406 (httpd), uid 80: exited on signal 10
203#