ÔõÑùÔÚLinuxÉÏÉèÖø߿ÉÓõķÀÓùDDoS¹¥»÷
ÔõÑùÔÚlinuxÉÏÉèÖø߿ÉÓõķÀÓùddos¹¥»÷
¸ÅÊö
Ëæ×Å»¥ÁªÍøµÄÉú³¤£¬DDoS£¨ÂþÑÜʽ¾Ü¾øЧÀÍ£©¹¥»÷ÈÕÒæ·Å×Ý¡£Ëüͨ¹ýʹÓôó×ڵĶñÒâÁ÷Á¿À´ÑÍûºÍ³¬ÔØÄ¿µÄЧÀÍÆ÷£¬´Ó¶øµ¼ÖÂЧÀͲ»¿ÉÓá£ÎªÁ˱£»¤Ð§ÀÍÆ÷ÃâÊÜDDoS¹¥»÷µÄÓ°Ï죬ÎÒÃÇÐèÒªÉèÖø߿ÉÓõķÀÓù»úÖÆ¡£
ÔÚ±¾ÎÄÖУ¬ÎÒÃǽ«ÏÈÈÝÔõÑùÔÚlinuxÉÏÉèÖø߿ÉÓõķÀÓùddos¹¥»÷µÄÒªÁ죬²¢¸ø³öÏìÓ¦µÄ´úÂëʾÀý¡£
ʵÑé°ì·¨
ʹÓ÷À»ðǽ¹ýÂ˶ñÒâÁ÷Á¿
Ê×ÏÈ£¬ÎÒÃÇÐèÒªÔÚЧÀÍÆ÷ÉÏ×°Öò¢ÉèÖ÷À»ðǽÀ´¹ýÂËDDoS¹¥»÷µÄ¶ñÒâÁ÷Á¿¡£·À»ðǽ¿ÉÒÔƾ֤Ԥ½ç˵µÄ¹æÔòÀ´×èÖ¹¶ñÒâÁ÷Á¿½øÈëЧÀÍÆ÷¡£ÒÔÏÂÊÇÒ»¸öʾÀý´úÂ룬ÓÃÓÚ½¨ÉèÒ»¸ö¹æÔòÀ´Õ¥È¡Ìض¨IPµÄ»á¼û£º
iptables -A INPUT -s 192.168.1.1 -j DROP
µÇ¼ºó¸´ÖÆ
Õ⽫եȡÀ´×ÔIPµØµãΪ192.168.1.1µÄ»á¼û¡£
ʹÓøºÔØƽºâÆ÷·ÖÅÉÁ÷Á¿
ΪÁËʹЧÀÍÆ÷Äܹ»´¦Àí¸ü¶àµÄÁ÷Á¿²¢·Öµ£¸ºÔØ£¬ÎÒÃÇ¿ÉÒÔÉèÖøºÔØƽºâÆ÷¡£¸ºÔØƽºâÆ÷½«Æ¾Ö¤Ô¤¶¨¹æÔò½«Á÷Á¿·ÖÅɸø¶à¸öЧÀÍÆ÷£¬ÒÔÈ·±£Ð§ÀÍÆ÷Äܹ»Æ½¾ù´¦ÀíÁ÷Á¿¡£ÒÔÏÂÊÇÒ»¸öʾÀý´úÂ룬ÓÃÓÚÉèÖÃHAProxy×÷Ϊ¸ºÔØƽºâÆ÷£º
frontend http bind *:80 mode http default_backend servers backend servers mode http server server1 192.168.1.2:80 server server2 192.168.1.3:80
µÇ¼ºó¸´ÖÆ
Õ⽫ÉèÖÃHAProxy¼àÌý80¶Ë¿Ú£¬²¢½«Á÷Á¿·ÖÅɵ½IPµØµãΪ192.168.1.2ºÍ192.168.1.3µÄЧÀÍÆ÷ÉÏ¡£
ʹÓÃIntrusion Prevention System (IPS)¾ÙÐÐʵʱ¼à²â
ΪÁËʵʱ·¢Ã÷ºÍ×èÖ¹DDoS¹¥»÷£¬Ê¹ÓÃIntrusion Prevention System (IPS)¾ÙÐÐʵʱ¼à²âÊDZز»¿ÉÉٵġ£IPS¿ÉÒÔ¼ì²âµ½Òì³£Á÷Á¿²¢Öƶ©ÏìÓ¦µÄ²½·¥£¬Èç×Ô¶¯×èÖ¹¹¥»÷ÕßµÄIPµØµã¡£ÒÔÏÂÊÇÒ»¸öʾÀý´úÂ룬ÓÃÓÚÉèÖÃFail2Ban×÷ΪIPS¹¤¾ß£º
[DEFAULT] bantime = 3600 # ·â±Õʱ¼ä£¨Ã룩 findtime = 600 # ʱ¼ä´°¿ÚÄÚʵÑéµÇ¼´ÎÊý maxretry = 3 # µÇ¼ʵÑéʧ°Ü´ÎÊý [sshd] enabled = true port = ssh logpath = %(sshd_log)s
µÇ¼ºó¸´ÖÆ
Õ⽫ÆôÓÃFail2Ban¼à²âSSHЧÀÍ£¬µ±ÔÚ10·ÖÖÓÄÚʵÑé3´Îʧ°ÜµÇ¼ʱ£¬½«×Ô¶¯·â±Õ¹¥»÷ÕßµÄIPµØµã¡£
ÔËÐÐDDoS¹¥»÷Ä£Äâ²âÊÔ
ΪÁËÈ·±£·ÀÓù»úÖƵÄÓÐÓÃÐÔ£¬ÎÒÃÇ¿ÉÒÔÔËÐÐDDoS¹¥»÷Ä£Äâ²âÊÔÀ´Ñé֤ЧÀÍÆ÷µÄ¿¹Ñ¹ÄÜÁ¦¡£Ê¹Óù¤¾ßÈçLOIC£¨µÍ¹ìµÀÀë×ÓÅÚ£©ÔÚÊÜ¿ØÇéÐÎÖÐÄ£ÄâDDoS¹¥»÷£¬²¢ÊÓ²ìЧÀÍÆ÷ÊÇ·ñÄܹ»Õý³£ÔËÐС£ÒÔÏÂÊÇÒ»¸öʾÀý´úÂ룬ÓÃÓÚÔËÐÐLOIC¾ÙÐÐDDoS¹¥»÷Ä£Äâ²âÊÔ£º
sudo apt-get install wine wine LOIC.exe
µÇ¼ºó¸´ÖÆ
Õ⽫װÖÃWine²¢ÔËÐÐLOIC¡£
×ܽá
Ëæ×ÅDDoS¹¥»÷Ò»Ö±Ôö¶àºÍ½ø»¯£¬ÉèÖø߿ÉÓõķÀÓù»úÖÆÊDZ£»¤Ð§ÀÍÆ÷ÃâÊܹ¥»÷µÄÒªº¦¡£±¾ÎÄÏÈÈÝÁËÔÚLinuxƽ̨ÉÏÉèÖ÷À»ðǽ¡¢¸ºÔØƽºâÆ÷ºÍIPSµÄÒªÁ죬²¢ÌṩÁËÏìÓ¦µÄ´úÂëʾÀý¡£¿ÉÊÇÇë×¢ÖØ£¬¼á³Öϵͳ¸üкͰ´ÆÚÉó²éÉèÖÃÒ²ÊÇÖÁ¹ØÖ÷ÒªµÄ£¬ÒÔÈ·±£Ð§ÀÍÆ÷Äܹ»Ò»Á¬µÖÓùDDoS¹¥»÷µÄÍþв¡£
ÒÔÉϾÍÊÇÔõÑùÔÚLinuxÉÏÉèÖø߿ÉÓõķÀÓùDDoS¹¥»÷µÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡