RPZ for reverse lookups ?

2019-08-24 Thread J Doe
Hello, I have a basic question regarding RPZ on Bind 9.11.x. Is it possible to re-write a response on a reverse lookup ? For instance, if I considered example.com a “bad domain”, can I write a RPZ policy so that a reverse lookup of IP’s that map to example.com fails or is blocked ? I know I

Re: RPZ for reverse lookups ?

2019-08-27 Thread J Doe
NS is... > > On Sun, 25 Aug 2019, m3047 wrote: >> On Sat, 24 Aug 2019, J Doe wrote: >>> [...] Is it possible to re-write a response on a reverse lookup ? For >>> instance, if I considered example.com a “bad domain”, can I write a RPZ >>&g

Re: Trying again on SERVFAIL

2021-02-10 Thread J Doe
On 2021-02-10 3:05 a.m., Alessandro Vesely wrote: Hi Havard, That's what I've been doing.  For an incoming message, a temporary failure means replying a 4xx code.  The sender keeps the message in its queue, and eventually gives up.  Once upon a time, MTAs used to retry sending for five

Question about missing bind.keys

2022-03-29 Thread J Doe
Hello, I have a question about the bind.keys file and what happens when it is not available. According to the ARM: dnssec-validation This option enables DNSSEC validation in named. . . . (To prevent problems if bind.keys is not found, the current trust anchor is also

Re: Question about missing bind.keys

2022-04-12 Thread J Doe
On 2022-03-30 02:23, Evan Hunt wrote: On Wed, Mar 30, 2022 at 12:16:05AM -0400, J Doe wrote: I have a question about the bind.keys file and what happens when it is not available. [...] ** If I don't have bind.keys in my BIND directory but have: dnssec-validation auto in my named.conf

Question about Google domain with recursive resolver

2023-11-03 Thread J Doe
Hello, I have a basic recursive resolver configuration with Bind 9.18.19 that acts as the resolver for some VPN roadwarrior clients (a mix of Apple iOS and macOS clients). Periodically I will see the following in my logs: 02-Nov-2023 15:06:27.658 resolver: info: loop detected resolving

Question about URL being logged by resolver

2023-11-03 Thread J Doe
Hello, On a Bind 9.18.19 server configured as a recursive resolver, I sometimes see URL's being noted in the log files. One such example is: 02-Nov-2023 23:32:19.435 lame-servers: info: success resolving 'https://app-measurement.com/sdk-exp/A' after disabling qname minimization due to

Re: BIND 9.18.2 break-dnssec question

2022-05-01 Thread J Doe
nssec clientnon dnssec client You don’t want the second recursive server to spend all its time re-asking queries that will fail validation On 29 Apr 2022, at 11:24, J Doe wrote: Hi, I am configuring an RPZ for a validating resolver. I read in the BIND 9.18.2 ARM that there is a boolean op

BIND 9.18.2 break-dnssec question

2022-04-28 Thread J Doe
Hi, I am configuring an RPZ for a validating resolver. I read in the BIND 9.18.2 ARM that there is a boolean option for RPZ zones called: break-dnssec. The ARM states: ...In that case, RPZ actions are applied regardless of DNSSEC. The name of the clause option reflects the fact

Question regarding newsyslog.conf and Bind logs

2022-08-24 Thread J Doe
Hello, I was wondering if anyone could provide feedback on whether the following: newsyslog.conf file is correct to allow for daily log rotation for my Bind 9.16.30 logs ? My currently logging settings in: named.conf are: ... logging { channel chn_file_queries {

Re: Question regarding newsyslog.conf and Bind logs

2022-08-25 Thread J Doe
On 2022-08-25 18:04, Greg Choules wrote: Hi again J. If I understand correctly, you want to enable querylog on a busy recursive server permanently, rotate the files once a day and don't care if you lose some logs because the number of queries on a busy day generates more data than the

Re: Question regarding newsyslog.conf and Bind logs

2022-08-25 Thread J Doe
On 2022-08-25 03:05, Greg Choules wrote: Hello J What is it you're actually trying to achieve here? Cheers, Greg Hi Greg, I'm looking to have my: queries.log (which logs all the queries my Bind 9.16.30 recursive resolver resolves), rotated at the end of the day and I'd like to keep 7 days

Re: Question regarding newsyslog.conf and Bind logs

2022-08-25 Thread J Doe
On 2022-08-25 04:52, Anand Buddhdev wrote: On 25/08/2022 05:23, J Doe wrote: Hello J Doe, I was wondering if anyone could provide feedback on whether the following: newsyslog.conf file is correct to allow for daily log rotation for my Bind 9.16.30 logs ? My currently logging settings

Re: Question regarding newsyslog.conf and Bind logs

2022-08-25 Thread J Doe
On 2022-08-25 16:46, Richard T.A. Neal wrote: Hi J, I'm coming a little late to the party on this one and I think you might struggle to do rotation based on both date/time *and* file size, but I use logrotate to rotate all of my BIND logs daily, keeping 31 days of logs. And you'll see that

Re: Question about resolver

2024-04-26 Thread J Doe
On 2024-04-25 08:55, Josh Kuo wrote: DS = Delegation Signer, it is the record type that a signed child upload to the parent zone. It's difficult to say for sure without more information such as which domain name you are trying to resolve, but looks like it is probably due to a mis-matching DS

Question about resolver

2024-04-24 Thread J Doe
Hello, I run BIND 9.18.26 as a recursive, validating resolver. In my logs, I noticed the following: 22-Apr-2024 19:25:59.614 lame-servers: info: chase DS servers resolving '180.96.34.in-addr.arpa/DS/IN': 216.239.34.102#53 What does "chase DS servers" mean ? Thanks, - J -- Visit

Re: Question about resolver

2024-04-27 Thread J Doe
On 2024-04-26 16:45, Josh Kuo wrote: In this particular case, isn't the resolver attempting to do a reverse lookup of the IP address that's listed ? You are right, I missed that this is a reverse-mapping zone. In that case, run DNSSEC analyzer on the domain "180.96.34.in-addr.arpa"

Re: Question about resolver

2024-04-27 Thread J Doe
On 2024-04-26 16:28, Mark Andrews wrote: DS records live in the parent zone and the RFC 1034 rules for serving zone break down when a grandparent zone and child zone are served by the same server. This is corrected be the client by looking for intermediate NS records to find the hidden

Re: Truncated TCP ?

2024-05-06 Thread J Doe
On 2024-05-05 20:47, Mark Andrews wrote: On 6 May 2024, at 07:38, J Doe wrote: Hello, I run BIND 9.18.26 as a recursive, validating resolver. In my logs, I noticed the following: 01-May-2024 00:52:49.689 lame-servers: info: truncated TCP response resolving 'www.ipfire.org

Truncated TCP ?

2024-05-05 Thread J Doe
Hello, I run BIND 9.18.26 as a recursive, validating resolver. In my logs, I noticed the following: 01-May-2024 00:52:49.689 lame-servers: info: truncated TCP response resolving 'www.ipfire.org/A/IN': 74.113.60.134#53 I am aware that there are issues with DNS UDP traffic being

Missing cookie

2024-05-19 Thread J Doe
Hi list, I run a validating recursive resolver with BIND 9.18.27. Over the course of many days, I have noted the following warning about a missing cookie from a particular server: 09-May-2024 20:09:22.277 resolver: info: missing expected cookie from 192.5.5.241#53 This server runs

CIDR notation for RPZ rpz-ip ?

2024-05-17 Thread J Doe
Hello, When using RPZ with BIND 9.18.27 and rpz-ip, can any CIDR prefix be used or must they be either: /8, /16, /24, /32 for IPv4 ? For example, if I want to block records with an A address of 192.168.10.1, I know I can write: 32.1.10.168.192.rpz-ipINCNAME . ... and records

Re: CIDR notation for RPZ rpz-ip ?

2024-05-26 Thread J Doe
On 2024-05-17 19:37, Nick Tait via bind-users wrote: On 18/05/2024 09:11, J Doe wrote: Hello, When using RPZ with BIND 9.18.27 and rpz-ip, can any CIDR prefix be used or must they be either: /8, /16, /24, /32 for IPv4 ? For example, if I want to block records with an A address