[Pdns-users] PowerDNS behind NAT

Fri Sep 5 07:36:11 UTC 2014

Yes I can telnet 53 port outside of our network

From: Péter-Zoltán Keresztes [mailto:zozo at z0z0.tk]
Sent: 05 September 2014 12:45
To: Padamwar, Sagar
Cc: Yovcho Yovchev; paul.roland at cc.btn.ro; Pdns-users at mailman.powerdns.com
Subject: Re: [Pdns-users] PowerDNS behind NAT

Can you telnet to port 53 from outside your network?

Az iPhone-omról küldve

2014.09.05. dátummal, 10:01 időpontban "Sagar.Padamwar at tatatechnologies.com<mailto:Sagar.Padamwar at tatatechnologies.com>" <Sagar.Padamwar at tatatechnologies.com<mailto:Sagar.Padamwar at tatatechnologies.com>> írta:
Yes 53 is allowed on both tcp and udp protocol, I have verified same.

We have separate firewall box which is not under my control, so Sorry, I cant give you the firewall rule details.

Thanks,
Sagar Padamwar.

From: Yovcho Yovchev [mailto:yyovchev at neterra.net]
Sent: 05 September 2014 11:48
To: Padamwar, Sagar; paul.roland at cc.btn.ro<mailto:paul.roland at cc.btn.ro>; Pdns-users at mailman.powerdns.com<mailto:Pdns-users at mailman.powerdns.com>
Subject: Re: [Pdns-users] PowerDNS behind NAT

Hi There.
Do you enable both protocols tcp/udp for 53 port?
Please send all iptables rules.

Best wishes,
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On 09/05/2014 07:59 AM, Sagar.Padamwar at tatatechnologies.com<mailto:Sagar.Padamwar at tatatechnologies.com> wrote:
Hi Paul,

I am also facing same problem. I have installed PowerDNS on CentOS with MySql as backend. My powerdns behind NAT not working, While everything’s works fine within the internal network(intranet)

IPtables has been configured to allow all traffic

We have firewall for NAT network and 53 has been allowed against natted IP, I have verified same using ping.eu<http://ping.eu>.

Please let me know which kernel modules in networking/filtering has been loaded to resolve the problem in your case.

Please help me to come out of this problem

Thanks
Sagar Padamwar

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