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BIND 9 Dynamic Update DoS Security Update

December 19th, 2011 | | 0 Comments »

BIND 9 is an implementation of the Domain Name System (DNS) protocols. named daemon is an Internet Domain Name Server for UNIX like operating systems. Dynamic update messages may be used to update records in a master zone on a nameserver. When named receives a specially crafted dynamic update message an internal assertion check is [...]

BIND Named: Set a Zone Transfer IP Address For Master DNS Server

December 19th, 2011 | | 0 Comments »

I’ve three nameserver load-balanced (LB) in three geo locations. Each LB has a front end public IP address and two backend IP address (one for BIND and another for zone transfer) are assigned to actual bind 9 server running Red Hat Enterprise Linux 5.2 as follows: LB1 – 202.54.1.2 -> Master BIND 9.x LB2 – [...]

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