https://calomel.org/unbound_dns.html 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 

----- Original Message -----

From: "Jeremy Grip" <[email protected]> 
To: "Mikrotik Users" <[email protected]> 
Sent: Friday, November 14, 2014 8:01:10 AM 
Subject: Re: [Mikrotik Users] DNS caching on PPPoE concentrator 



Yup, I am dropping tcp and udp port 53 on the input chain from outside. 

Mike what do you use for a resolver? 



From: [email protected] 
[mailto:[email protected]] On Behalf Of Christian Palecek 
Sent: Thursday, November 13, 2014 10:32 PM 
To: Mikrotik Users 
Subject: Re: [Mikrotik Users] DNS caching on PPPoE concentrator 


I block dns on the input chain so it only works on the local address which is a 
private/loopback ip. 






Sent from my Verizon Wireless 4G LTE smartphone 


-------- Original message -------- 
From: Mike Hammett < [email protected] > 
Date:11/13/2014 8:14 PM (GMT-07:00) 
To: Mikrotik Users < [email protected] > 
Subject: Re: [Mikrotik Users] DNS caching on PPPoE concentrator 

Mine are open, but my border stops DNS that isn't otherwise allowed. 



----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 

----- Original Message -----


From: "Chuck Breitkreutz" < [email protected] > 
To: "Mikrotik Users" < [email protected] > 
Sent: Thursday, November 13, 2014 9:13:57 PM 
Subject: Re: [Mikrotik Users] DNS caching on PPPoE concentrator 
No disrespect, but you are asking for a dns attack 




From: [email protected] [ 
mailto:[email protected] ] On Behalf Of Christian Palecek 
Sent: Thursday, November 13, 2014 8:26 PM 
To: Mikrotik Users 
Subject: Re: [Mikrotik Users] DNS caching on PPPoE concentrator 


Allow remote requests under the dns settings. Whatever the local address on 
your pppoe connection should be handed out as the primary dns. 






Sent from my Verizon Wireless 4G LTE smartphone 


-------- Original message -------- 
From: Jeremy Grip < [email protected] > 
Date:11/13/2014 7:14 PM (GMT-07:00) 
To: 'Mikrotik Users' < [email protected] > 
Subject: [Mikrotik Users] DNS caching on PPPoE concentrator 

I hand out IPs to client routers from 450G gateways via PPPoE. The 450s are 
configured for DNS caching with remote requests enabled, but the PPPoE servers 
configured on the LAN interfaces specify my upstream provider and Google DNS 
nameservers. Do DNS requests from PPPoE clients use the cache, or do I need to 
specify the router itself as a DNS server in the PPPoE server/s? 

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