Unix and Linux Stack Exchange
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Questions tagged [unbound]

19 questions
5
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1 answer

How to disable ip6 lookups in unbound?

I attempted to disable IPv6 lookups in unbound through these options: do-ip6: no prefer-ip6: no Really prefer-ip6 should only take effect when do-ip6 is yes. In any case, I use tcpdump to dump the traffic and I still see IPv6 queries being issued…
Walter
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3
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1 answer

Pihole warning elaboration: "reducing DNS packet size for nameserver ADDRESS to SAFE_PKTSZ"

Could anyone elaborate a little on this warning? Reading the unbound comment it references, I guess it's some configuration in place for security reasons (?), but I'm not clear on what the tradeoffs really are if you "get rid of" this warning by…
Manius
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1 answer

unbound not finding log file -- but log file exists

Error 'finding' log file on starting unbound service Jun 25 20:02:19 asus unbound[111312]: [1624676539] unbound[111312:0] error: Could not open logfile /var/log/unbound.log: No such file or directory But the file exists and should be…
Stephen Boston
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1 answer

What is the difference between unbound and unwind?

Reading the man pages of OpenBSD gives me unwind - validating DNS resolver and unbound - Unbound DNS validating resolver 1.11.0 which begs the question - what is the difference between these programs, and which should I prefer?
Bex
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1 answer

Redirect all outgoing DNS queries to local stub resolver at 127.0.0.1:53

I am attempting to redirect all outgoing DNS queries on my Linux box to my local caching stub resolver (unbound). iptables -t nat -A OUTPUT -p tcp --dport 53 -j DNAT --to 1.1.1.1:53 iptables -t nat -A OUTPUT -p udp --dport 53 -j DNAT --to…
donghakim187
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Unbound doens't look for A records in cache

I deployed the unbound caching server, below is how it is deployed Client ---> InternelDNSServer(Windows) ---> ExternalDNSServer(RHEL) ---> GoogleDNS from Localhost(unbound) If i do dig +ttlunits somesite.com on first try it will go to google dns…
OmiPenguin
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Unbound IP redirection

I'm trying to redirect my LAN queries i.e. 10.0.0.0/8 to my captive portal hosted at 10.10.10.10. I've 2 networks, 10.0.0.0/8 and 192.168.1.0/24. Objective is redirect 10.0.0.0/8 to 10.10.10.10 There's no DHCP server at the moment for this IP Pool,…
Akshay
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1 answer

service start automatically on debian 10

I have server with debian 10, previously on this server unbound service installed. Today I noticed that the service is reset every minute. I even deleted the file /lib/systemd/system/unbound.service and killed process manually But again it runs…
pyramid13
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1 answer

why has dnsmasq started running and taking up 53 so that my unbound can't start

Arch up to date. Through QEMU manager I had recently created a NAT network mapped to my wireless device. The plan is to use the wireless for the VM and the ethernet for the host. Before that the VM and the host unbound were okay. No other system…
Stephen Boston
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Can you specify a different configuration for different interfaces in unbound?

Can the unbound DNS server give different answers to DNS queries made on different interfaces (split-horizon)? I did not see any indication in the manual that it could, but I may have missed something.
F.X.
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Unbound stub-zone not working

I have an unbound server that resolves VPN addresses as local data: local-data: "host1.wireguard. A 10.10.100.10" local-data: "host2.wireguard. A 10.100.100.11" Polling it directly returns DNS records just fine. But added a stub zone, that points…
Emerick Whyte
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Ubuntu 18.04: unbound seems to stop working after a period of time

I set up pi-hole with unbound on my ubuntu 18.04 machine. I followed the instructions by pi-hole[1]. Clients can reach websites with this method but after some time I get timeouts. Pihole is still forwarding requests to 127.0.0.1 but it seems that…
herrwusel
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Any DNSBL script to Unbound?

I know a lot of DNSBL lists (someonewhocares.org, abuse.ch, malwaredomains.com, etc...). I wish to know if anyone knows of scripts that can gather these lists (at least some of them) and compile them to a list usable by Unbound. So I would obtain a…
22decembre
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Unbound split horizon DNS for NextDNS routing per VLAN

I'm running Unbound version 1.13.2 (the most recent version available on PFSense). I'm trying to do some source based routing of my DNS traffic. I use NextDNS and have set up two profiles, one for VLANA and one for VLANB with different rules. I want…
stumped221
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Using Unbounds stub-zone and NSD for local resolving does not work

I am having issues setting up Unbound as a general use DNS resolver and NSD as a local authoritive server. I intend to use Unbound as a replacement for my routers DNS server and would like to incorporate a range of private domains which may…
dschemp
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