Unbound target fetch policy conf is used to configure unbound (8). conf. no Leave "" or default to return package version. 17 using UDP to port 53. com")? or 2 (then ". Jan 10, 2025 · Hey, i followed the official documentation for unbound as an recursive resolver and I want to use it. Mar 14, 2020 · [1584216438] unbound[30708:0] debug: validator nsec3cfg keysz 4096 mxiter 2500 [1584216438] unbound[30708:0] notice: init module 2: iterator [1584216438] unbound[30708:0] debug: target fetch policy for level 0 is 3 [1584216438] unbound[30708:0] debug: target fetch policy for level 1 is 2 Oct 30, 2024 · I have configured Unbound to: listen for domain queries on all interfaces in a LAN, forward these domain queries to an external DNS resolver via TLS, receive the resolved domain IPs from the exter Mar 18, 2021 · it can start, but crash after a few minutes. It dies with: fatal error: recvmsg: No support f Jan 4, 2022 · target-fetch-policy: <"list of numbers"> Set the target fetch policy used by unbound to determine if it should fetch nameserver target addresses opportunistically. Is it somewhat similar to modifying target-fetch-policy in unbound's config? Jun 21, 2025 · target-fetch-policy: <”list of numbers”> Set the target fetch policy used by Unbound to determine if it should fetch nameserver target addresses opportunistically. $ apt update Upgrade packages. The Documentation is more then, yeah…. # http-user-agent: "" # the target fetch policy. Determine device address. The policy is described per dependency depth. com"? Is it 3 (". hide-trustanchor:<yesorno> If enabled trustanchor. 0 works fine. I met one security problem - unbound-control allows to Set the target fetch policy used by Unbound to determine if it should fetch nameserver target addresses opportunistically. conf (5) NAME unbound. Dec 19, 2021 · Expected Behaviour: Working fine as it has for the last few months. 10. -operating system: Raspbian 11 (bullseye) -hardware: RPi 2 Model B rev 1. It leverages tools like Pi-hole, Unbound, and Tor to create a private, secure, and ad-free internet browsing environment. Empty lines are ignored as is whitespace at the beginning of a line. 36. 1 -p 5335 server: interface: 0. May 24, 2018 · May 24 19:54:27 fine unbound: [9076:0] debug: target fetch policy for level 2 is 1 May 24 19:54:27 fine unbound: [9076:0] debug: target fetch policy for level 3 is 0 Response Policy Zones Response Policy Zones (RPZ) is a mechanism that makes it possible to define your local policies in a standardised way and load your policies from external sources. Referenced by iter_apply_cfg (), and iter_deinit (). 22-Raspbian <<>> sigok. 0 is working fine, why should you update now? Wait a while and 1. 4-2ubuntu1. Hi, I am trying to understand the target-fetch-policy setting. 127. A positive value fetches that many targets opportunistically. Feb 25, 2025 · When I used this before the recent PR change, installing PiHole and selecting Unbound as recursive would put 127. 515Z INFO unbound: [1584819824] unbound [23:0] notice: init module 1: iterator 2020-03-21T19:43:44. The number of values determines the maximum dependency depth that Unbound will pursue in answering a query. $ sudo firewall-cmd --list-all --zone public public Default: no target-fetch-policy: <"listofnumbers"> Set the target fetch policy used by Unbound to determine if it should fetch nameserver target addresses opportunistically. target-fetch-policy: <”list of numbers”> Set the target fetch policy used by Unbound to determine if it should fetch nameserver target addresses opportunistically. 0/12 is allowed which includes both address spaces so this is not a case. hide-trustanchor:<yes or no> If enabled trustanchor. server and hostname. Even the dig sigok. A value of -1 means to fetch all targets opportunistically for that dependency depth. Oct 10, 2023 · Notifications You must be signed in to change notification settings Fork 359 For some reason postfix-mailcow has stopped resolving DNS. NAME unbound. For now, I've commented those two and also nearly everything else in my conf file server: # If no logfile is specified, syslog is Nov 19, 2022 · The issue I am facing: unbound is not resolving at all Details about my system: Raspberry Pi 2 Model B Rev 1. host we would set that timeout to be ~ 1500ms or something like that. die. The file format has attributes and values. Unbound is a very secure validating, recursive, and caching DNS server primarily developed by NLnet Labs, VeriSign Inc, Nominet, and Kirei. May 10, 2017 · target-fetch-policyについて マニュアルを見ても「ターゲット アドレスを日和見的に取ってくる」 となってよくわからなかったのでソースから調べてみた。 結果 設定値 デフォルトは”3 2 1 0 0" 数字の並びは左から深度に対応している 深度は委任レコードを返された時に外部名だった場合外部名を ZONEMD hash is correct [1619565823] unbound[73900:0] debug: auth zone example. Comments start with # and last to the end of line. ", "com", "google. The # policy is described per dependency depth. 1:5335 and apply. Notifications You must be signed in to change notification settings Fork 358 unbound. 6 unbound. 1 Actual Behaviour: It does no name resolution. SYNOPSIS unbound. log unbound subnetcache: serve-expired is set but not working for data originating from the subnet module cache. As a sequence of hex characters or with ascii_ prefix and then an ascii string. Also updated that delegation point cache fill routines use CDflag for AAAA message lookups, so that its negative lookup stops a recursion since the cache uses the bit for disambiguation for dns64 but the recursion uses CDflag for the AAAA target lookups, so the check correctly stops a The target fetch policy for each dependency level. 6 will be in the repository and unbound will be upgraded as if by magic. Does it maybe make sense to add a new configuration parameter that allows to set a custom timeout value when using forwarders? In the case of that poor unbound. 0 while my Mailcow network is 172. target-fetch-policy: <"list of numbers"> Set the target fetch policy used by Unbound to determine if it should fetch nameserver target addresses opportunistically. A value of 0 means to fetch on demand only. gz Provided by: unbound_1. Leave "" or default to use package name # and version. Sep 28, 2022 · Configure Unbound DNS validating resolver. not there… Jun 21, 2025 · This setting means Unbound will only fetch the addresses of name servers (targets) on demand, rather than proactively querying them in advance. net Unbound needs the address of any one of those NS targets. g. conf (5) unbound 1. 1 -p 5335 ; <<>> DiG 9. Introduction Unbound has support for local-zone and local-data. Empty lines are ig- nored as is whitespace Post by Ilya Bakulin If we turn the infra-cache off, Unbound will use its standard 376ms timeout and the situation may get even worse. I The target fetch policy for each dependency level. A value of -1 means to fetch all targets opportunistically for that Jul 30, 2025 · # target-fetch-policy: <"list of numbers"> # Set the target fetch policy used by unbound to determine if it # should fetch nameserver target addresses opportunistically. >: 0 names (0 missing), 1 addrs (0 result, 1 avail) Feb 20, 2020 · Response Policy Zones in Unbound We are incredibly happy to introduce Unbound 1. My Docker network is set to 172. The first tests on console says there is an "communication error" on unbou… performed, so that with nonzero target-fetch-policy it fetches forwarder addresses and uses them from cache. conf(5) NAME unbound. unbound-control. $ ip --brief address show eth0 eth0 UP 172. Docker host is also able to resolve anything. arpa. # The number of values in the list determines the maximum dependency # depth the recursor will pursue before giving up. In unbound. This is described as a simple number (per dependency level): negative numbers (usually just -1) mean fetch-all, 0 means only fetch on demand, and positive numbers mean to fetch at most that many targets. Those running Unbound DNS and likely anyone on PiHole which uses Unbound can already benefit from talking to the fastest upstream DoT/DoH providers and may configure the balance or preference without leaking the same name to each provider, if I am understanding the diagram and documentation correctly regarding SmartDNS. It's been working for several months, and now we had a power break, and after that it stopped working. 192. log: Nov 11, 2024 · Expected Behaviour: Unbound shouldn't be blocking traffic from api. Empty lines are unbound. " would have a dependency depth of 0)? Thanks! Grace The target fetch policy for each dependency level. 1#5335 for a local unbound instance running on port 5335). Jul 27, 2024 · The above unbound trace indicates: The unbound process is failing to communicate with the public internet address 192. # The number of values determines the maximum dependency depth # that unbound will pursue in answering a query. The idea is that those other addresses will probably be used for some future queries. The problem is that I don't understand the "dependency depth". 5 with no issue, but a brew update shipped 1. 22. ZONEMD verification successful Mar 21, 2020 · DS IN 2020-03-21T19:43:44. conf(5) unbound 1. It also contains the respip module which makes it possible to [1248298777] unbound [19738:0] debug: target fetch policy for level 4 is 0 [1248298777] unbound [19738:0] info: DelegationPoint<168. 0 port: 5335 do-ip6: no hide-identity: yes hide-version: yes harden-referral-path: yes cache-min-ttl: 300 cache-max-ttl: 14400 serve-expired: yes serve-expired-ttl: 3600 prefetch: yes prefetch-key: yes target-fetch-policy: "3 2 1 1 1" unwanted-reply-threshold: 10000000 rrset-cache-size: 256m msg-cache-size: 128m so Jan 29, 2025 · Take charge of your network's performance and privacy by setting up your own DNS server. May 7, 2023 · Hey, i´ve been searching for a while now what the ” target-fetch-policy ” from unbound is and how it works. A value of -1 Apr 27, 2022 · Have you set the target-fetch-policy to something non default? That parameter needs to have a number of integers in it, otherwise this fetch would exceed the target fetch depth and fail. It is not a firewall issue as I have disabled it also all other containers are able to resolve any hostname. Telling Pi-hole to use Unbound Go into Settings and Upstream DNS settings, uncheck every I'm using AGH with unbound. bind queries hide-identity: yes # Harden against algorithm downgrade when multiple algorithms are # advertised in the DS record. In this case, if you leave out the -D option, it would work and not have the double trust anchor. # version: "" # the target fetch policy. The -C power user option can be used for many configuration options, and debugging. If you change the access control permissions on the key files you can decide who can use unbound-control, by default owner and group but not all users. target-fetch-policy:<"listofnumbers"> Set the target fetch policy used by Local-unbound to determine if it should fetch nameserver target addresses opportunisti- cally. The software is distributed free of charge under the BSD license. Feb 6, 2024 · This happened because the trust anchor is both in the config file that is passed with the -C option, and is also added by the -D option. harden-short-bufsize: yes # Refuse id. version 1. 515Z INFO unbound: [1584819824] unbound [23:0] debug: target fetch policy for level 1 is 2 2020-03-21T19:43:44 As a sequence of hex characters or with ascii_ prefix and then an ascii string. 1 Raspbian GNU/Linux 11 (bullseye) What I have changed since installing Pi-hole: Nothing. 18 to me today, and Unbound no longer starts. Set the target fetch policy used by Unbound to determine if it should fetch nameserver target addresses opportunistically. Currently my pihole uses stubby for DoT. google. 13. 5. conf DESCRIPTION unbound. $ sudo apt install firewalld Inspect initial setting for public zone. net @127. harden-algo Nov 16, 2020 · Restart unbound with sudo systemctl restart unbound it is now listening on the specified port and doing what the config says. Unbound can passively keep track of how fast each upstream provider is [1 Aug 26, 2024 · unbound. 254/21 Update package index. The policy is described per dependency depth. met. I'm seeing some errors in my unbound. See full list on linux. $ apt upgrade Install Dynamic Firewall Manager. Learn how DNS queries work, why ISP-provided servers may hold you back, and how a well-configured caching DNS server can drastically improve speed and control across your infrastructure. Configure Unbound DNS validating resolver. 0. This makes it possible to give a custom answer back for specified domain names. But, with the default target-fetch-policy of "3 2 1 0 0 0", Unbound will opportunistically lookup the addresses of three NS targets (because the first number is 3). Some attributes have attributes inside them. It is designed to be fast and lean and incorporates modern features based on open standards. 11_amd64 NAME unbound. verteiltesysteme. conf 172. 151. focal (5) unbound. target-fetch-policy:<"list of numbers"> Set the target fetch policy used by Unbound to determine if it should fetch nameserver target addresses opportunistically. conf - Unbound configuration file. # series of integers describing the policy per dependency depth. harden-referral-path: yes # BIND 8 target-fetch-policy: "-1 -1 -1 -1 -1" # Ignore very small EDNS buffer sizes from queries. unbound queries are refused. Without the -C option likely also works, but then the potential other options Aug 31, 2023 · Describe the bug I was running Unbound 1. 515Z INFO unbound: [1584819824] unbound [23:0] debug: target fetch policy for level 0 is 3 2020-03-21T19:43:44. hide-trustanchor: <yes or no> If enabled trustanchor. The file format has at- tributes and values. in-addr. Empty lines are ig- nored as is whitespace We would like to show you a description here but the site won’t allow us. The utility unbound Experimental option. 1 -p 5335 fails: pi@pi3:~ $ dig sigok. Set the target fetch policy used by unbound to determine if it should fetch nameserver target addresses opportunistically. 3 unbound. This trace log could be a one-off, and thus a red herring. Jan 20, 2020 · When 1. 17. By minimizing these additional queries, the system reduces the volume of outbound DNS traffic, making it harder for external observers. 10 unbound. Further details: When I switch pihole to use another upstream DNS server, then dig dnssec Sep 8, 2025 · As a sequence of hex characters or with ascii_ prefix and then an ascii string. Unbound is a validating, recursive, caching DNS resolver. local-unbound queries are refused. . and unbound warning: subnetcache: prefetch is set but not working for data originating from the subnet module cache. The notation is: attribute: value. Telling AdGuard Home to use Unbound Go into your AdGuard Home admin panel and go to Settings -> DNS settings In the Upstream DNS servers box you now put 127. For example, what is the dependency depth of "www. This release features RPZ, a mechanism that makes it possible to define your local policies in a standardized way, and load your policies from external sources. 9. 148. 16. array of max_dependency_depth+1 size. It may be per-server or global Feb 5, 2025 · What is it? This script is a robust and open source bash tool designed for Linux (Proxmox, Homelab) users interested in maximizing their online privacy and security. Empty lines are ignored as is whitespace at the The script unbound-control-setup generates these in the default run directory, or with -d in another directory. 1#5335 as the custom DNS server, but now it does this: In the text of this image, is what I would have expected for unbound running as recursive (e. 1 on macOS 13. Jun 21, 2025 · This setting means Unbound will only fetch the addresses of name servers (targets) on demand, rather than proactively querying them in advance. qclf jmvpd cadyf hidue ccm axig itqk qvow nszda pgfcnab ojjds ixgzw vgb dryoez aypvs