[Pdns-users] [HELP REQUEST] Heavy Mass-bombing against PowerDNS

[bert hubert]

On Thu, Jun 09, 2011 at 02:54:24PM -0600, kim Doff wrote:
> Jun 09 15:01:17 domain pdns[28541]: Not authoritative for 'adobe.com',
> sending servfail to 93.113.174.225 (recursion was desired)

iptables on Linux allows filtering on string matches, try:
# iptables -A INPUT -m string --string 'adobe' -j DROP

This can be quite effective. 

You should also set: log-dns-details=off

	Bert