Re: How to get rid of this spam? Spam assassin does not catch it

[Reindl Harald]

Am 30.10.2015 um 18:01 schrieb David B Funk:

On Fri, 30 Oct 2015, Reindl Harald wrote:

Am 29.10.2015 um 01:06 schrieb Martin Gregorie:

If you don't understand how to install and configure a DNS server and
prefer printed material to online documents, get the O'Reilly book "DNS
and BIND"

no need for use bind at all for cahcing nameservers, unbound is much
faster for *that* task and works more or less out-of-the-box

unbound.conf on our inbound MX while all production nameservers with
authoritative zones are bind

[snip..]

Just be sure to set the access-control correctly to prevent use/abuse by
remote attackers. Open recursive DNS servers are a favorite DDOS tool

well, you snipped that part.....

interface: 127.0.0.1
access-control: 127.0.0.0/8 allow

for DDOS it don't matter if is a recursive or a authoritative nameserver, ANY records of auth servers without respone rate limiting are amplification enough

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