General statistics are available via this graph Search my IP space (eg: 192.0.2.0/24 - searches "larger" than /22 will be rejected): If you are a member of the general public: How can I check my server? - run the command ntpdc -n -c monlist 192.0.2.1 or ntpq -c rv 192.0.2.1 - If you see a response, your server may be used in attacks. How can I fix my server, router or other device? You should upgr
ãµã¼ãã¹çµäºã®ãç¥ãã ãã¤ãYahoo! JAPANã®ãµã¼ãã¹ããå©ç¨ããã ãèª ã«ãããã¨ããããã¾ãã ã客æ§ãã¢ã¯ã»ã¹ããããµã¼ãã¹ã¯æ¬æ¥ã¾ã§ã«ãµã¼ãã¹ãçµäºãããã¾ããã ä»å¾ã¨ãYahoo! JAPANã®ãµã¼ãã¹ããæ顧ãã ããã¾ãããããããããé¡ããããã¾ãã
Network Time Protocol project ãæä¾ãã NTPD ã®ç®¡çæ©è½ã«ã¯ãDDoS æ»æã®è¸ã¿å°ã¨ãã¦ä½¿ç¨ãããåé¡ãããã¾ãã Network Time Protocol project ãæä¾ãã NTPD ã«ã¯ããµã¼ãã®ç®¡çç¨ã« monlist æ©è½ãå®è£ ããã¦ãã¾ããmonlist æ©è½ã¯ããªã¯ã¨ã¹ãã«å¯¾ãã¦é常ã«å¤§ããªã¬ã¹ãã³ã¹ãè¿ãå¯è½æ§ãããã¾ãããã®æ©è½ã¸ã®ã¢ã¯ã»ã¹ãé©åã«å¶éããã¦ããªãå ´åãDDoS æ»æã®è¸ã¿å°ã¨ãã¦ä½¿ç¨ãããå¯è½æ§ãããã¾ã (CWE-406)ã ãªããæ¬èå¼±æ§ã使ç¨ããæ»æãå ±åããã¦ãã¾ãã
http://blog.cloudflare.com/understanding-and-mitigating-ntp-based-ddos-attacks1 comment | 0 pointså¹´åã«League of LegendsãEA.comã®ãµã¼ãããã¦ã³ããåå ã¨ãªã£ãNTPãã¼ã¹ã®DDoSæ»æã«ã¤ãã¦ãCoudFalreãã¨ã³ã¸ãã¢ããã°ã§ã¾ã¨ãã¦ãã¾ãã DNS Reflection is so 2013 DNSãã¼ã¹ã®DDoSæ»æã¨NTPãã¼ã¹ã®æ»æã¯ä¼¼ã¦ããããããã³ã«ã®éãã ããæ»æè ãã被害è ã¨ãªãç¸æã®IPã¢ãã¬ã¹ãå½ã£ã¦ãã±ãããéä»ãäºæ ãç¥ããªããµã¼ãã¯ããªã¯ã¨ã¹ãã«å¿ãã¦ã被害è ã®IPã¢ãã¬ã¹ã«ãã¼ã¿ãè¿ãã¨ããä»çµã¿ãå®éã®æ»æè ã®ã½ã¼ã¹ã¯é ããã¦ãã¦ããã¬ã¼ã¹ããã®ãé£ããããã大éã®ãµã¼ããå©ç¨ãããã¨ãç¸å½ã®ããªã¥ã¼ã ã®ãã±ããããä¸çä¸ãã被害è
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}