This is OT on this list.

here is all the info:

if you need more hand holding, pls use the rbdlsnd list

On 10/17/2016 03:18 PM, Nicola Piazzi wrote:
THX Antony
Service works, but at now how can i address query to this server ?
And the service name test how must be inserted in the query ?
usr/sbin/rbldnsd -n -b localhost/53 test:ip4tset:/rbldnsd/test.txt

Nicola Piazzi
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-----Messaggio originale-----
Da: Antony Stone []
Inviato: lunedì 17 ottobre 2016 15:04
Oggetto: Re: rbldnsd

On Monday 17 October 2016 at 15:00:08, Nicola Piazzi wrote:

Someone use dnsrbld to create personal rbl ?
I am unable to bind to port 53 (and other ports)


I start and it tell that bind :

[root@EFALIST rbldnsd]# ./
rbldnsd: listening on ::1/53
rbldnsd: listening on

So, it's listening on port 53, both IPv4 and IPv6.

rbldnsd: ip4tset:/rbldnsd/test.txt: 20161017 101633: cnt=2
rbldnsd: zones reloaded, time 0.0e/0.0u sec, mem arena=284 free=131
mmap=0 Kb rbldnsd: rbldnsd version 0.998 (05 Dec 2015) started (2
socket(s), 1

Looks happy to me.

But when I ipscan this host I found open only ports that belongs to
other services and not 53 :

[root@EFALIST ~]#  nmap -sT -O localhost

Try U instead of T.

DNS runs over UDP, not TCP.


I wasn't sure about having a beard at first, but then it grew on me.

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