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linux:dns [2013/06/06 02:36]
admin created
linux:dns [2018/10/19 14:50] (current)
admin [Druhy krok k uspechu]
Line 29: Line 29:
 Toto byl prvni krok k uspechu. Toto byl prvni krok k uspechu.
  
-===== Druhy krok k uspechu =====+====== Druhy krok k uspechu ​======
 Priznaky utoku: Priznaky utoku:
   * log je uplne plny hlasek:   * log je uplne plny hlasek:
Line 93: Line 93:
 RETURN ​    ​all ​ --  0.0.0.0/​0 ​           0.0.0.0/​0 ​   ​ RETURN ​    ​all ​ --  0.0.0.0/​0 ​           0.0.0.0/​0 ​   ​
 </​code>​ </​code>​
 +
 +
 +===== Bind9 notify =====
 +
 +Bind DNS sends notify to all name servers expect itself and master nameserver in SOA.
 +
 +    notify yes;
 +sends notify to all name servers in RR (except itself and SOA master)
 +
 +    notify yes;
 +    also-notify { x.x.x.x; y.y.y.y; };
 +sends notify to x.x.x.x, y.y.y.y and all name servers in RR (except itself and SOA master).
 +
 +    notify explicit;
 +    also-notify { x.x.x.x; y.y.y.y; };
 +sends notify to just x.x.x.x, y.y.y.y
 +
 +
 +**Upozorneni:​**
 +takto nastaveny bind+fail2ban muze zpusobit DoS vlastniho serveru. UDP packety mohou prichazet s podvrzenou zdrojovou IP.
 
linux/dns.1370478996.txt.gz · Last modified: 2013/06/06 02:36 by admin