Code: p423 Severity: Warning
Description: A specific inverse query has been performed against your DNS server as a precursor to a possible transaction signature (TSIG) buffer overflow attack. Impact: attempt to gain access to information required for the TSIG exploit. A TSIG buffer overflow exploit attempt will usually follow if there is a response to the inverse query. Corrective: Update to BIND versions greater than 8.2 to prevent the information leak.
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