ÐÐÒµÐÂÎÅ
½üÆÚ£¬´úÂëÍйÜÍøÕ¾GitLabÔâÊܵ½DDOS¹¥»÷£¬·åÖµÁ÷Á¿Áè¼Ý1Tbps£¬¹¥»÷ÕßʹÓÃGitLabÍйܷþÎñÆ÷ÉϵÄÇå¾²Îó²î¹¹½¨½©Ê¬ÍøÂ磬Ìᳫ´óÁ÷Á¿DDOS¹¥»÷¡£
11ÔÂ15ÈÕ£¬ÍøÂç»ù´¡ÉèÊ©Çå¾²¹«Ë¾CloudflareÕì²âµ½Ê·ÉÏ×î´óÁ÷Á¿µÄDDOS¹¥»÷£¬·åÖµÁ÷Á¿¸ß´ï2Tbps¡£
ÂþÑÜʽ¾Ü¾ø·þÎñ£¨DDOS£©¹¥»÷ÊÇÍøÂçÉϳ£¼ûµÄÒ»ÖÖ¹¥»÷ÀàÐÍ£¬¹¥»÷ÕßʹÓò¡¶¾ºÍÎó²î¿ØÖÆ´ó×ÚÅÌËã»úÏòÄ¿µÄ·þÎñÆ÷Ìᳫ»á¼ûÇëÇó£¬ÏûºÄ·þÎñÆ÷×ÊÔ´£¬µ¼ÖÂÕý³£ÓªÒµÎÞ·¨»á¼û¡£
´óÁ÷Á¿DDOS¹¥»÷µÄƵÈÔ·ºÆðÌáÐÑÆóÒµÐèÒª¼ÓËÙӪҵϵͳµÄÇå¾²½¨É裬Õë¶ÔÆóÒµÖб£´æµÄÍøÂçÇå¾²ÎÊÌ⣬±ÒÓιú¼Ê¹ÙÍøÍÆ³öÁË»ùÓÚÁãÐÅÈÎÇå¾²ÀíÄîµÄ½â¾ö¼Æ»®---ÖÇÐÐÁãÐÅÈλá¼û¿ØÖÆÏµÍ³¡£ÎªÆóÒµ´ÓÈÝÓ¦¶ÔÖÖÖָ߼¶¹¥»÷Ìṩ·À»¤¡°ÀûÆ÷¡±¡£
ÁãÐÅÈÎSDPÊÖÒÕÔõÑù·ÀÓùDDOS¹¥»÷£¿
³£¼ûµÄDDOS¹¥»÷ÓÐÒÔϼ¸ÖÖ£º 1. HTTP¹¥»÷£º¹¥»÷ÕßÌᳫ´ó×ÚµÄhttp»á¼ûÇëÇóÄ£ÄâÍøÕ¾»á¼ûÕߣ¬ÏûºÄ·þÎñÆ÷×ÊÔ´ÈÃÆäÎÞ·¨ÏìÓ¦Õý³£Óû§µÄÇëÇó¡£ 2. TCPºéË®¹¥»÷£º¹¥»÷Õß¶Ô·þÎñÆ÷Ìᳫ´ó×ÚαÔìµÄTCP SYNÊý¾Ý°ü£¬È÷þÎñÆ÷ʼÖÕ´¦ÓÚÆÚ´ý״̬¡£ ÁãÐÅÈζÔÉÏÊö¹¥»÷µÄ·À»¤»úÖÆÈçÏ HTTP¹¥»÷£ºÁãÐÅÈζÔδ¾Éí·ÝÈÏÖ¤µÄÓû§²»»á½¨ÉèHTTPÅþÁ¬¡£ TCPºéË®¹¥»÷£ºÁãÐÅÈλá°Ñ²»·¨µÄSYN°üÖ±½Ó¶ªµô£¬²»»á´¦ÓÚÆÚ´ý״̬¡£ ÁãÐÅÈνÓÄÉÏÈÈÏÖ¤ºóÅþÁ¬µÄ·½·¨ÊÚȨ»á¼ûÇëÇ󣬵±ÁãÐÅÈÎÍø¹ØÎüÊÕµ½¿Í»§¶Ë·¢³öµÄSPA£¨µ¥°üÈÏÖ¤£©²¢ÑéÖ¤Õýµ±ºó£¬²Å»á¶Ô»á¼ûÕß¿ª·Å¶ÔÓ¦µÄIPºÍ¶Ë¿Ú¡£¹ØÓںڿͺÍδ¾Éí·ÝÈÏÖ¤µÄÓû§£¬ÓªÒµÏµÍ³¼á³Ö¾²Ä¬×´Ì¬£¬²»¿ª·ÅÈκÎIPºÍ¶Ë¿Ú¡£ºÚ¿ÍÎÞ·¨¹¥»÷Æä²»¿ÉÊÓµÄÍøÂç×ʲú¼°Ä¿µÄ£¬½ø¶ø±ÜÃâDDOSµÈ¹¥»÷ÐÐΪ¡£ ÁãÐÅÈζԿ¹DDOS¹¥»÷°¸Àý ij´óÐÍÒøÐÐÆóÒµÈÕ¾ù»á¼ûÇëÇó¸ß´ï17ÒڴΣ¬ÏûºÄ´ó×ڵķþÎñÆ÷×ÊÔ´¡£ÒøÐнÓÄÉÁãÐÅÈÎSDPÊÖÒÕºó£¬ÈÕ¾ù»á¼ûÇëÇ󽵵͵½ÁË8ÒڴΡ£ÁãÐÅÈÎÊÖÒÕµÄÀÖ³ÉÓ¦ÓÃÆÁÕϵôÀ´×Ô»¥ÁªÍøµÄDDOSµÈÍøÂç¹¥»÷¡¢¶Ë¿ÚɨÃèºÍÅÀ³æ£¬ÔöǿӪҵϵͳÇå¾²ÐÔµÄͬʱ½µµÍÁËÆóÒµµÄÔËÓª±¾Ç®£¬ïÔÌ×ÊÔ´ÏûºÄ¡£ ±ÒÓιú¼Ê¹ÙÍøÁãÐÅÈÎÇå¾²½â¾ö¼Æ»®ÒѾÔÚ½ÌÓý£¬Ò½ÁÆ£¬Í¨Ñ¶£¬½ðÈÚ£¬Õþ¸®£¬¾ü¹¤µÈ¶à¸öÐÐÒµ¾ÙÐÐÂäµØÊµÑé°²ÅÅ£¬ÓÐÓýâ¾öÊý¾ÝÇå¾²ÎÊÌ⡣δÀ´£¬±ÒÓιú¼Ê¹ÙÍø½«Ò»Á¬´òÔì¡°È«³¡¾°¡±µÄÁãÐÅÈÎÇå¾²½â¾ö¼Æ»®£¬ÎªÓû§ÍøÂç¹¹½¨¾ß±¸×Ô˳Ӧ¹¥»÷·À»¤ÄÜÁ¦µÄÖÇ»Û×ÝÉî·ÀÓùϵͳ£¬ÐÞ½¨Ò»¸öÈ«·½Î»Êý¾ÝÓëÓªÒµÇå¾²µÄ¿ÉÐÅÇéÐΡ£