NTP-Reflection Attacks の履歴差分(No.2)

• 履歴一覧
• 現在との差分 を表示
• ソース を表示
• 履歴 を表示
• NTP-Reflection Attacks へ行く。
  • 1 (2014-02-14 (金) 12:32:19)
  • 2 (2014-02-14 (金) 13:58:15)
  • 3 (2014-02-20 (木) 10:39:54)

• 追加された行はこの色です。
• 削除された行はこの色です。

CONTENTS
#contents
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Lastmodified　&lastmod;
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*NTP-Reflection Attacks [#k9a38ccb]
Open NTP Server の Reflection&AMP
http://nakacya.wordpress.com/type/aside/
#ref(20140214_NTP_Atack.PNG)


 13:54:15.072076 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072079 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072081 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072084 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072086 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072089 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072091 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072094 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072097 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072099 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072101 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072104 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072106 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072109 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072111 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440
 13:54:15.072114 IP g7.kuji-clinic.net.ntp > www162.sedoparking.com.http: NTPv2, Reserved, length 440


/etc/ntp.conf を

 server ntp.jst.mfeed.ad.jp
 server 0.freebsd.pool.ntp.org iburst maxpoll 9
 server 1.freebsd.pool.ntp.org iburst maxpoll 9
 server 2.freebsd.pool.ntp.org iburst maxpoll 9

から、

 restrict default ignore
 restrict 0.pool.ntp.org nomodify nopeer noquery notrap
 restrict 1.pool.ntp.org nomodify nopeer noquery notrap
 restrict 2.pool.ntp.org nomodify nopeer noquery notrap
 restrict 127.0.0.1
 restrict -6 ::1
 restrict 127.127.1.0


へ変更して




 service ntpd restart
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Total access &counter(total);：本日 &counter(today);：昨日 &counter(yesterday);
#counter([total|today|yesterday]);